{"product_id":"contracor-strahlmittel-ruckgewinnungssystem-vac-7h-mit-lagersilo-komplett-set","title":"VAC-7H abrasive recovery system with storage silo, complete set","description":"\u003ch5\u003eContracor VAC-7H – High-performance abrasive recovery with freestanding 0.3 m³ storage silo\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eContracor abrasive recovery system VAC-7H with storage silo\u003c\/strong\u003e is a powerful, electrically operated vacuum recovery system for collecting, conveying, and temporarily storing used abrasive. The system suctions the collected material from the blast area, conveys it to the recovery unit, and collects it in a freestanding storage silo with a volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike the VAC versions mounted directly on the blast pot, the VAC-7H has a separately positioned storage silo. This allows the recovered abrasive to be collected independently of the blast pot and further processed in a controlled manner when required. Using the manually operated shut-off flap, the material can either be refilled into a blast pot or discharged into a Big Bag for disposal.\u003c\/p\u003e\n\u003cp\u003eWith its particularly powerful side-channel blower with \u003cstrong\u003e7.5 kW\u003c\/strong\u003e, a recovery capacity of up to \u003cstrong\u003e4 tonnes per hour\u003c\/strong\u003e, and a maximum suction distance of \u003cstrong\u003e10 metres\u003c\/strong\u003e, the VAC-7H is suitable for professional stationary blasting halls and applications requiring flexible interim storage of recovered material.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eYour benefits at a glance\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e✅ High-performance electric abrasive recovery system\u003c\/li\u003e\n\u003cli\u003e✅ Freestanding storage silo with a volume of 0.3 m³\u003c\/li\u003e\n\u003cli\u003e✅ Flexible interim storage of recovered abrasive\u003c\/li\u003e\n\u003cli\u003e✅ Recovery capacity of up to 4 tonnes per hour\u003c\/li\u003e\n\u003cli\u003e✅ High-performance side-channel blower with 7.5 kW\u003c\/li\u003e\n\u003cli\u003e✅ Integrated high-performance cartridge filter\u003c\/li\u003e\n\u003cli\u003e✅ Automatic pulse-jet cleaning of the filter element\u003c\/li\u003e\n\u003cli\u003e✅ Manually controlled material discharge via shut-off flap\u003c\/li\u003e\n\u003cli\u003e✅ Blast pot can be filled for reuse\u003c\/li\u003e\n\u003cli\u003e✅ Can be used as an alternative to filling a Big Bag station\u003c\/li\u003e\n\u003cli\u003e✅ Reduced manual transport and cleaning work\u003c\/li\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive\u003c\/li\u003e\n\u003cli\u003e✅ Reduced quantity of material requiring disposal\u003c\/li\u003e\n\u003cli\u003e✅ Suitable for retrofitting existing blasting systems\u003c\/li\u003e\n\u003cli\u003e✅ Flexible positioning independent of the blast pot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003e📦 Scope of delivery\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eContracor VAC-7H vacuum abrasive recovery system\u003c\/li\u003e\n\u003cli\u003eHigh-performance electric side-channel blower with 7.5 kW\u003c\/li\u003e\n\u003cli\u003eFreestanding abrasive storage silo with a volume of 0.3 m³\u003c\/li\u003e\n\u003cli\u003eManual shut-off flap for controlled material discharge\u003c\/li\u003e\n\u003cli\u003eIntegrated high-performance cartridge filter\u003c\/li\u003e\n\u003cli\u003eAutomatic pulse-jet filter cleaning\u003c\/li\u003e\n\u003cli\u003eFloor hopper with grating\u003c\/li\u003e\n\u003cli\u003e5 m abrasion-resistant rubber suction hose\u003c\/li\u003e\n\u003cli\u003eInternal diameter of suction hose: 63.5 mm (2½\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e💡 Note:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7H has a \u003cstrong\u003efreestanding storage silo\u003c\/strong\u003e. The blast pot is not filled automatically, but in a controlled manner via the silo's manual shut-off flap. A blast pot and a big bag filling frame are not included in the scope of delivery.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eTechnical data\u003c\/h5\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 700px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #4f4f4f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eVAC-7H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSystem type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eStationary vacuum abrasive recovery system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eWith freestanding storage silo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSilo volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e0.3 m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaterial discharge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eManually via shut-off flap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eUses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eRefilling a blast pot or filling a big bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eElectric side-channel blower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRated voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e3~ 380–420 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eup to 4.0 t\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaximum suction hose length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e10 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSupplied suction hose length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction hose internal diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e63.5 mm (2½\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction hose material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eAbrasion-resistant rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaximum abrasive grain size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eAngular steel grit up to G40, approx. 0.30–0.80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eCartridge filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e7.5 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003ePolyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter cleaning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eAutomatic pulse-jet cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003ePre-separator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSound pressure level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e72 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e525 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eDimensions (mm)\u003c\/h5\u003e\n\u003ch5\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/abmessungen-strahlmittel-rueckgewinnungssystem-vac-7-h-contracor-10300500.jpg?v=1784807847\" alt=\"\"\u003e\u003c\/h5\u003e\n\u003chr\u003e\n\u003ch5\u003eFreestanding storage silo with a volume of 0.3 m³\u003c\/h5\u003e\n\u003cp\u003eThe key feature of the VAC-7H is the freestanding abrasive storage silo with a usable volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e. Unlike systems with a storage hopper mounted directly above the blast pot, the recovered material is initially collected independently of the blasting system.\u003c\/p\u003e\n\u003cp\u003eThis allows the abrasive to be stored temporarily until sufficient material is available for refilling or disposal. The operator can flexibly decide when and where the silo contents are discharged.\u003c\/p\u003e\n\u003cp\u003eThe freestanding design also facilitates the integration of the recovery system into existing blast halls, as the storage silo does not have to be mounted directly on a specific blast pot.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e🎯 Flexible system concept:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7H is particularly suitable for applications in which the recovered abrasive is to be collected, inspected or fed to a blast pot or disposal station at a later time.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eReuse or disposal\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H can be used universally for two different tasks. Abrasive that can still be reused can be dispensed from the storage silo into a blast pot in a controlled manner and fed back into the blasting process.\u003c\/p\u003e\n\u003cp\u003eIf the collected material is no longer usable or needs to be removed from the process, the silo can alternatively be used to fill a big bag. This allows the VAC-7H to be used both as a recovery system and as part of an organised disposal concept.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Intermediate storage of recovered abrasive\u003c\/li\u003e\n\u003cli\u003e✅ Controlled refilling of a blast pot\u003c\/li\u003e\n\u003cli\u003e✅ Material can be dispensed to different blast pots\u003c\/li\u003e\n\u003cli\u003e✅ Can be used as a big bag filling station\u003c\/li\u003e\n\u003cli\u003e✅ Clear separation between recovery and further processing\u003c\/li\u003e\n\u003cli\u003e✅ Flexible adaptation to operational procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eManual material discharge via shut-off flap\u003c\/h5\u003e\n\u003cp\u003eMaterial is discharged from the 0.3 m³ storage silo via a manually operated shut-off flap. This allows the operator to control the timing and quantity of material discharge.\u003c\/p\u003e\n\u003cp\u003eFor reuse, a suitable blast pot is positioned below or at the designated discharge point. After opening the shut-off flap, the collected material falls by gravity from the silo into the blast pot.\u003c\/p\u003e\n\u003cp\u003eFor disposal, a suitable Big Bag holder can be positioned beneath the discharge point. The manual flap enables controlled filling and prevents unintended material discharge.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e📌 Important difference:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eWith the VAC-7H, the blast pot is refilled \u003cstrong\u003emanually\u003c\/strong\u003e. The system has no automatic refill device mounted directly on the blast pot.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003ePowerful side-channel blower\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H is equipped with a particularly powerful electric side-channel blower with a drive power of \u003cstrong\u003e7.5 kW\u003c\/strong\u003e. It generates the negative pressure required for pneumatic material conveying.\u003c\/p\u003e\n\u003cp\u003eThe used abrasive media is conveyed from the floor hopper through the suction hose to the recovery unit and then into the freestanding storage silo. The powerful vacuum generation enables a recovery capacity of up to 4 tonnes per hour.\u003c\/p\u003e\n\u003cp\u003eThe achievable performance depends on the type and grit size of the abrasive media, bulk density, degree of contamination, hose routing, and any elevation differences.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eEfficient abrasive media recovery\u003c\/h5\u003e\n\u003cp\u003eThe used abrasive media is placed into the floor hopper included in the scope of delivery using a broom or shovel. From there, the VAC-7H draws the material in through the abrasion-resistant rubber suction hose.\u003c\/p\u003e\n\u003cp\u003eThe material flow enters the recovery unit, where the conveying air and abrasive media are separated. The heavier abrasive media is collected in the storage silo, while fine dust particles are carried by the airflow to the cartridge filter.\u003c\/p\u003e\n\u003cp\u003eThe recovered material remains in the silo until it is discharged via the manual shut-off flap for reuse or disposal.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eIntegrated cartridge filter with pulse-jet cleaning\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H features an integrated high-performance cartridge filter with a filter area of \u003cstrong\u003e7.5 m²\u003c\/strong\u003e. The polyester filter medium retains fine dust particles from the conveyed airflow.\u003c\/p\u003e\n\u003cp\u003eThe automatic pulse-jet cleaning system cleans the filter cartridge using short bursts of compressed air. This loosens adhering dust from the filter surface, keeping airflow and suction performance as constant as possible.\u003c\/p\u003e\n\u003cp\u003eAutomatic cleaning reduces the need for manual maintenance. Nevertheless, the filter cartridge must be checked regularly and replaced if necessary, depending on dust load, operating time, and condition.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e⚠️ No pre-separator:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7H does not have an additional CS-500 pre-separator. The VAC-7HS version with an additional CS-500 is intended for highly dust-generating mineral blasting media.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eRecovery capacity of up to 4 tonnes per hour\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H achieves a recovery capacity of up to \u003cstrong\u003e4 tonnes per hour\u003c\/strong\u003e. This makes the system suitable for professional stationary blasting rooms with regular blasting media accumulation.\u003c\/p\u003e\n\u003cp\u003eThe maximum intended suction hose length is \u003cstrong\u003e10 meters\u003c\/strong\u003e. The complete set includes a \u003cstrong\u003e5-meter abrasion-resistant rubber suction hose\u003c\/strong\u003e with an inner diameter of \u003cstrong\u003e63.5 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePerformance may vary with other blasting media due to grain shape, specific gravity, moisture, and flow characteristics. Hose length, hose bends, and height differences also affect the actual conveying capacity.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e📌 Planning note:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe suction line should be routed as short and straight as possible. Unnecessary bends, reductions in cross-section, and larger height differences increase flow resistance and may reduce recovery performance.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eEconomical blasting media cycle\u003c\/h5\u003e\n\u003cp\u003eDepending on their properties and the blasting process, reusable blasting media can pass through several work cycles. Without recovery, however, usable material is often disposed of together with dust and contaminants.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7H collects used blasting media and stores it centrally in the storage silo. From there, the reusable material fraction can be fed to a blast pot in a controlled manner.\u003c\/p\u003e\n\u003cp\u003eThis reduces the consumption of new blasting media, the quantity requiring disposal, and the manual effort involved in collecting and transporting material.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Lower requirement for new blasting media\u003c\/li\u003e\n\u003cli\u003e✅ Central collection of recovered material\u003c\/li\u003e\n\u003cli\u003e✅ Flexible decision on reuse or disposal\u003c\/li\u003e\n\u003cli\u003e✅ Reduced quantity of material requiring disposal\u003c\/li\u003e\n\u003cli\u003e✅ Less manual material handling\u003c\/li\u003e\n\u003cli\u003e✅ Less cleaning effort in the blasting room\u003c\/li\u003e\n\u003cli\u003e✅ Organized material collection in the freestanding silo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eFloor hopper with grating\u003c\/h5\u003e\n\u003cp\u003eThe floor hopper included in the complete set serves as the central collection point for used abrasive media. Material lying on the floor is swept or shoveled into the hopper and then automatically extracted.\u003c\/p\u003e\n\u003cp\u003eThe integrated grating retains larger foreign objects before they can enter the suction hose and downstream system components. This protects the suction line, vacuum unit and storage silo from coarse contamination.\u003c\/p\u003e\n\u003cp\u003eThis type of material collection makes it possible to retrofit a recovery system without installing a full-surface mechanical or pneumatic floor conveying system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eSuitable abrasive media\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H is intended for suitable, reusable abrasive media. As a technical size reference, the manufacturer specifies angular cast steel up to a grit size of \u003cstrong\u003eG40 or approximately 0.30 to 0.80 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe actual suitability of abrasive media depends not only on the grain size. Grain shape, bulk density, moisture, degree of contamination and flow properties also affect material transport.\u003c\/p\u003e\n\u003cp\u003eThe abrasive media should be dry, free-flowing and suitable for pneumatic conveying. Damp, clumped materials or materials mixed with large foreign objects can impair suction performance and cause blockages.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e⚠️ Check abrasive media suitability:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eAccording to the manufacturer, heavy and spherical abrasive media, such as stainless steel shot, are not intended for VAC recovery systems. The suitability of the abrasive media used should be checked before ordering.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eOptional hand suction tube\u003c\/h5\u003e\n\u003cp\u003eFor flexible collection of abrasive media across larger floor areas, a manually guided suction tube with support wheels and a handle is available as an optional accessory. The accessory is supplied with a 10-meter PU suction hose.\u003c\/p\u003e\n\u003cp\u003eThe hand suction tube enables targeted collection of loose abrasive media in areas that cannot be reached directly via the stationary floor hopper.\u003c\/p\u003e\n\u003cp\u003eThe support wheels make it easier to guide the suction tube and reduce the physical effort required when cleaning larger blasting rooms. The hand suction tube is not included as standard with the VAC-7H complete set.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003e🔧 Applications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eStationary sandblasting halls\u003c\/li\u003e\n\u003cli\u003eIndustrial blasting rooms\u003c\/li\u003e\n\u003cli\u003eCentral abrasive media collection\u003c\/li\u003e\n\u003cli\u003eIntermediate storage of recovered abrasive media\u003c\/li\u003e\n\u003cli\u003eFilling various blast pots\u003c\/li\u003e\n\u003cli\u003eBig bag filling stations\u003c\/li\u003e\n\u003cli\u003eSteel and metal construction\u003c\/li\u003e\n\u003cli\u003eTank and plant construction\u003c\/li\u003e\n\u003cli\u003eMechanical engineering\u003c\/li\u003e\n\u003cli\u003eVehicle and commercial vehicle manufacturing\u003c\/li\u003e\n\u003cli\u003eRail vehicle manufacturing\u003c\/li\u003e\n\u003cli\u003eShipyards and maritime maintenance\u003c\/li\u003e\n\u003cli\u003eSurface preparation before coating and painting\u003c\/li\u003e\n\u003cli\u003eRemoval of rust, scale and old coatings\u003c\/li\u003e\n\u003cli\u003eRetrofitting existing stationary blasting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eOperating requirements\u003c\/h5\u003e\n\u003cp\u003eOperation of the VAC-7H requires a suitable three-phase power connection with \u003cstrong\u003e3~ 380–420 V \/ 50 Hz\u003c\/strong\u003e. A suitable compressed-air supply is also required for automatic pulse-jet cleaning of the cartridge filter.\u003c\/p\u003e\n\u003cp\u003eThe system must be installed on a level surface with sufficient load-bearing capacity. The total weight of approximately \u003cstrong\u003e525 kg\u003c\/strong\u003e and the additional weight of the abrasive stored in the silo must be taken into account when planning the installation location.\u003c\/p\u003e\n\u003cp\u003eSufficient space must be provided below or in the discharge area of the silo for a blast pot, material hopper or suitable Big Bag station.\u003c\/p\u003e\n\u003cp\u003eThe storage silo should also be easily accessible for operation, inspection, cleaning and maintenance. The shut-off flap must be operable safely.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eMaintenance and care\u003c\/h5\u003e\n\u003cp\u003eRegular maintenance is essential for consistently high recovery capacity. In particular, the filter cartridge, pulse-jet cleaning system, suction hoses, bottom hopper, storage silo and shut-off flap should be checked regularly.\u003c\/p\u003e\n\u003cp\u003eMaterial deposits or foreign objects in the silo can obstruct emptying. The manual shut-off flap must move smoothly and close reliably to prevent unintended material discharge.\u003c\/p\u003e\n\u003cp\u003eWear or leaks in the suction hoses reduce the vacuum generated and can significantly impair conveying capacity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCheck the filter cartridge regularly\u003c\/li\u003e\n\u003cli\u003eCheck the operation of the pulse-jet cleaning system\u003c\/li\u003e\n\u003cli\u003eInspect suction hoses for abrasion and leaks\u003c\/li\u003e\n\u003cli\u003eClean the bottom hopper and grate\u003c\/li\u003e\n\u003cli\u003eCheck the storage silo for deposits\u003c\/li\u003e\n\u003cli\u003eCheck the shut-off flap for proper operation and tightness\u003c\/li\u003e\n\u003cli\u003eKeep material paths free of foreign objects\u003c\/li\u003e\n\u003cli\u003eHave electrical components serviced by qualified personnel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eVAC-7 or VAC-7H?\u003c\/h5\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 750px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #4f4f4f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7H\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e7.5 kW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 4.0 t\/h\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 4.0 t\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaterial hopper\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eStorage hopper mounted directly on the blast pot\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eFreestanding 0.3 m³ storage silo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRefilling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eAutomatically\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eManually via shut-off flap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eCascade cleaner\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eBig Bag filling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNot intended\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003ePossible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFlexibility in installation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eConnected to a Z-200 blast pot\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eFreestanding system design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e440 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e525 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe VAC-7 is designed for an automatic material circuit connected directly to a Contracor Z-200 blast pot. The VAC-7H, on the other hand, features a freestanding storage silo and enables more flexible interim storage as well as manual discharge to a blast pot or Big Bag station.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eVAC-7H or VAC-7HS?\u003c\/h5\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 750px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #4f4f4f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7H\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7HS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e7.5 kW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e7.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eStorage silo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e0.3 m³\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e0.3 m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003ePre-separator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eCS-500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 4.0 t\/h\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 3.5 t\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecommended application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eUniversal abrasive recovery\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eMore dust-generating mineral abrasives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e525 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e565 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe VAC-7H is the suitable version for the universal recovery and interim storage of suitable abrasives. For highly dust-generating mineral media, the VAC-7HS is recommended; it is additionally equipped with the CS-500 pre-separator.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eWhy the Contracor VAC-7H?\u003c\/h5\u003e\n\u003cp\u003eThe Contracor VAC-7H is a flexible complete solution for operators of stationary blasting halls who do not want to return recovered abrasive automatically and immediately to a single blast pot.\u003c\/p\u003e\n\u003cp\u003eThe freestanding 0.3-m³ storage silo enables independent interim storage of the material. The contents can then be directed as required to a blast pot, material container, or Big-Bag station via the manual shut-off flap.\u003c\/p\u003e\n\u003cp\u003eThe powerful 7.5-kW side-channel blower, integrated cartridge filter, and automatic pulse-jet cleaning ensure reliable material conveying and dust separation.\u003c\/p\u003e\n\u003cp\u003eWith a recovery capacity of up to 4 tonnes per hour, the VAC-7H is suitable for professional blasting operations that value high performance, flexible material routing, and storage independent of the blast pot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eFAQ – Frequently Asked Questions\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the VAC-7H?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7H extracts used abrasive, transports it to the recovery unit, and collects it in a freestanding storage silo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow large is the storage silo?\u003c\/strong\u003e\u003cbr\u003eThe freestanding supply silo has a volume of 0.3 m³.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the H in VAC-7H mean?\u003c\/strong\u003e\u003cbr\u003eThe H denotes the version with a freestanding supply or storage silo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the blast pot refilled automatically?\u003c\/strong\u003e\u003cbr\u003eNo. Material is discharged manually via the storage silo's shut-off flap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the recovered abrasive be reused?\u003c\/strong\u003e\u003cbr\u003eYes. Suitable material can be refilled from the storage silo into a blast pot and used for further blasting operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7H be used for disposal?\u003c\/strong\u003e\u003cbr\u003eYes. The collected material can be discharged from the storage silo into a suitable Big-Bag station.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a Big-Bag station included in the scope of delivery?\u003c\/strong\u003e\u003cbr\u003eNo. A suitable Big-Bag holder or filling station must be provided separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a blast pot included in the scope of delivery?\u003c\/strong\u003e\u003cbr\u003eNo. A blast pot is not included in the VAC-7H complete set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the VAC-7H only suitable for Contracor Z-200 blast pots?\u003c\/strong\u003e\u003cbr\u003eThe freestanding silo generally enables flexible material discharge. However, the technical suitability and safe connection of the intended blast pot must be checked in advance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recovery capacity?\u003c\/strong\u003e\u003cbr\u003eAccording to the manufacturer, the maximum recovery capacity is up to 4 tonnes per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum permissible suction hose length?\u003c\/strong\u003e\u003cbr\u003eThe maximum specified suction hose length is 10 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much suction hose is included in the complete set?\u003c\/strong\u003e\u003cbr\u003eThe complete set includes 5 meters of abrasion-resistant rubber suction hose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the inside diameter of the suction hose?\u003c\/strong\u003e\u003cbr\u003eThe inside diameter is 63.5 mm or 2½ inches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum particle size that can be processed?\u003c\/strong\u003e\u003cbr\u003eAs a technical reference, the manufacturer specifies angular steel grit up to G40, corresponding to approximately 0.30–0.80 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan any abrasive media be conveyed with the VAC-7H?\u003c\/strong\u003e\u003cbr\u003eNo. Suitability depends on particle shape, specific gravity, particle size, moisture and flow characteristics. According to the manufacturer, heavy and spherical media are not intended for use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7H have a cascade cleaner?\u003c\/strong\u003e\u003cbr\u003eNo. The VAC-7H has a freestanding storage silo, but no cascade cleaner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7H have a CS-500 pre-separator?\u003c\/strong\u003e\u003cbr\u003eNo. The CS-500 is part of the VAC-7HS version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the dust separated?\u003c\/strong\u003e\u003cbr\u003eFine dust particles are separated in the integrated cartridge filter with polyester filter media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the cartridge filter cleaned?\u003c\/strong\u003e\u003cbr\u003eThe filter cartridge is cleaned automatically by short compressed-air pulses from the pulse-jet cleaning system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7H require compressed air?\u003c\/strong\u003e\u003cbr\u003eYes. A suitable compressed-air supply is required for the automatic pulse-jet cleaning of the cartridge filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical supply is required?\u003c\/strong\u003e\u003cbr\u003eA three-phase power connection with 3~ 380–420 V \/ 50 Hz is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the drive power?\u003c\/strong\u003e\u003cbr\u003eThe electric side-channel blower has a drive power of 7.5 kW.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow loud is the VAC-7H?\u003c\/strong\u003e\u003cbr\u003eThe sound pressure level specified by the manufacturer is 72 dB(A).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does the system weigh?\u003c\/strong\u003e\u003cbr\u003eThe stated system weight is approximately 525 kg. The weight of the stored abrasive media is additional.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a hand-operated suction pipe included in the scope of delivery?\u003c\/strong\u003e\u003cbr\u003eNo. A hand-operated suction pipe with support wheels, handle and 10-meter PU suction hose is available as an optional accessory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7H be retrofitted in an existing blast room?\u003c\/strong\u003e\u003cbr\u003eYes. The freestanding storage silo makes the system particularly suitable for retrofitting existing blast rooms with customized material routes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is the freestanding storage silo worthwhile?\u003c\/strong\u003e\u003cbr\u003eThe silo enables the independent collection and temporary storage of recovered abrasive media. This allows the material to be dispensed for reuse or disposal at a later time in a controlled and flexible manner.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"Default Title","offer_id":49033923101019,"sku":"10300500","price":12177.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/strahlmittel-rueckgewinnungssystem-vac-7-h-contracor-10300500.jpg?v=1726585190","url":"https:\/\/ae6ea8-95.myshopify.com\/el-bg\/products\/contracor-strahlmittel-ruckgewinnungssystem-vac-7h-mit-lagersilo-komplett-set","provider":"ABS Strahltechnik","version":"1.0","type":"link"}