{"product_id":"contracor-strahlmittel-ruckgewinnungssystem-vac-7s-mit-staubvorabscheider-cs-500-komplett-set","title":"VAC-7S abrasive recovery system with CS-500 pre-separator, complete set","description":"\u003ch5\u003eContracor VAC-7S – Powerful abrasive recovery with CS-500 dust pre-separator\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eContracor VAC-7S abrasive recovery system with CS-500 dust pre-separator\u003c\/strong\u003e is a powerful electrically operated vacuum recovery system for collecting, cleaning and reusing used abrasive. The system was specially developed for mineral abrasives that can generate increased dust and a higher proportion of unusable fines during the blasting process.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7S combines a particularly powerful side-channel blower with a freestanding CS-500 dust pre-separator, a highly efficient cascade cleaner, an integrated cartridge filter and an automatic blast pot refill system. This means the recovered abrasive is processed in multiple stages before returning to the blasting process.\u003c\/p\u003e\n\u003cp\u003eWith a drive power of \u003cstrong\u003e7.5 kW\u003c\/strong\u003e, a recovery capacity of up to \u003cstrong\u003e3.5 tonnes per hour\u003c\/strong\u003e and a maximum suction hose length of \u003cstrong\u003e10 metres\u003c\/strong\u003e, the VAC-7S is ideal for professional stationary blast rooms with increased demands on suction power, dust separation and abrasive cleaning.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eYour benefits at a glance\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Specially developed for reusable mineral abrasives\u003c\/li\u003e\n\u003cli\u003e✅ Increased suction and cleaning performance\u003c\/li\u003e\n\u003cli\u003e✅ Powerful 7.5 kW side-channel blower\u003c\/li\u003e\n\u003cli\u003e✅ Freestanding CS-500 dust pre-separator\u003c\/li\u003e\n\u003cli\u003e✅ Highly efficient cascade cleaner\u003c\/li\u003e\n\u003cli\u003e✅ Multistage separation of abrasive, dust and fines\u003c\/li\u003e\n\u003cli\u003e✅ Recovery capacity of up to 3.5 tonnes per hour\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✅ Automatic blast pot refill\u003c\/li\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive\u003c\/li\u003e\n\u003cli\u003e✅ Lower dust levels in the material circuit\u003c\/li\u003e\n\u003cli\u003e✅ Reduced disposal and cleaning costs\u003c\/li\u003e\n\u003cli\u003e✅ Compact design for stationary blast rooms\u003c\/li\u003e\n\u003cli\u003e✅ Ideal for Contracor Z-200 series blast pots\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-7S vacuum abrasive recovery system\u003c\/li\u003e\n\u003cli\u003ePowerful 7.5 kW side-channel blower\u003c\/li\u003e\n\u003cli\u003eFreestanding CS-500 dust pre-separator\u003c\/li\u003e\n\u003cli\u003eManual emptying of the dust pre-separator\u003c\/li\u003e\n\u003cli\u003eHighly efficient cascade cleaner\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\u003eAbrasive storage hopper\u003c\/li\u003e\n\u003cli\u003eAutomatic blast pot refill system\u003c\/li\u003e\n\u003cli\u003eFloor hopper with grate\u003c\/li\u003e\n\u003cli\u003e4 m abrasion-resistant rubber suction hose\u003c\/li\u003e\n\u003cli\u003eSuction hose inner diameter: 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-7S is designed for operation with a \u003cstrong\u003eContracor Z-200 series blast pot\u003c\/strong\u003e. The blast pot is not included and is available separately.\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-7S\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\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eWith CS-500 Pre-Separator and Cascade Cleaner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecommended Abrasives\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eReusable Mineral Abrasives\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 3.5 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\u003eIncluded Suction Hose Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction Hose Inner 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;\"\u003eUp 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\u003eDust pre-separator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eCS-500, freestanding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003ePre-Separator Emptying\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eAbrasive Cleaning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eHighly efficient cascade cleaner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\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\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 style=\"background: #f7f7f7;\"\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\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 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;\"\u003e480 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuitable Blast Pot\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eContracor Z-200 Series\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)\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/abmessungen-strahlmittel-rueckgewinnungssystem-vac-7-s-contracor-10300210.jpg?v=1784807255\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/h5\u003e\n\u003chr\u003e\n\u003ch5\u003eMulti-Stage Abrasive Processing\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S processes used abrasive in several coordinated steps. First, the material is collected through the bottom hopper and transported through the suction hose to the freestanding CS-500 pre-separator.\u003c\/p\u003e\n\u003cp\u003eThe CS-500 separates coarse dust particles, light contaminants and unusable components from the material stream. The reusable abrasive then passes to the cascade cleaner, which enables further intensive separation of usable abrasive and remaining fines.\u003c\/p\u003e\n\u003cp\u003eThe integrated cartridge filter performs fine separation of dust particles contained in the air stream. The cleaned abrasive is then collected in the storage hopper and automatically refilled into the connected blast pot.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e🎯 Multi-Stage Cleaning:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe combination of the CS-500, cascade cleaner and cartridge filter enables particularly thorough processing of highly dust-generating mineral abrasives.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eIncreased Suction and Cleaning Performance\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S is equipped with a powerful side-channel blower with \u003cstrong\u003e7.5 kW\u003c\/strong\u003e. Compared with the VAC-5S, this gives the system increased suction performance and additional power reserves for demanding recovery tasks.\u003c\/p\u003e\n\u003cp\u003eThe more powerful drive supports pneumatic material transport through the suction line and ensures reliable conveyance of used abrasive to the pre-separator and recovery unit.\u003c\/p\u003e\n\u003cp\u003eIn combination with the cascade cleaner, the VAC-7S not only delivers increased suction power but also more intensive processing of the recycled abrasive.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eCS-500 Pre-Separator\u003c\/h5\u003e\n\u003cp\u003eThe freestanding CS-500 dust pre-separator is designed specifically for applications with increased dust generation. It is positioned upstream of the main filter unit and performs initial separation of dust, fines and unusable components.\u003c\/p\u003e\n\u003cp\u003ePre-separation significantly reduces the dust load on the downstream cartridge filter. At the same time, it prevents an excessive proportion of spent fine particles from returning to the abrasive circulation system.\u003c\/p\u003e\n\u003cp\u003eThe material separated in the CS-500 is collected in a separate area and emptied manually. The required emptying intervals depend on the type of abrasive used, the dust content and the daily operating time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Pre-separation of large amounts of dust\u003c\/li\u003e\n\u003cli\u003e✅ Separation of usable and unusable material\u003c\/li\u003e\n\u003cli\u003e✅ Reduced load on the cartridge filter\u003c\/li\u003e\n\u003cli\u003e✅ Reduction of spent fines in the abrasive circulation system\u003c\/li\u003e\n\u003cli\u003e✅ Manually emptied collection area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eHighly efficient cascade cleaner\u003c\/h5\u003e\n\u003cp\u003eAfter pre-separation in the CS-500, the recovered abrasive is further processed by a highly efficient cascade cleaner. The material falls in a controlled manner through an airstream that separates lighter components from the heavier, still usable abrasive.\u003c\/p\u003e\n\u003cp\u003eDust, abrasion, broken grains and other lightweight contaminants are removed from the material stream. The cleaned abrasive then enters the storage hopper.\u003c\/p\u003e\n\u003cp\u003eThe intensive cleaning helps ensure a more consistent composition of the returned material. This can contribute to more reproducible blasting results, a more uniform blast pattern and reduced dust generation during subsequent operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eIntegrated cartridge filter with pulse-jet cleaning\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S features a 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 airstream.\u003c\/p\u003e\n\u003cp\u003eThe automatic pulse-jet cleaning system cleans the filter cartridge using short compressed-air pulses. This loosens adhering dust from the filter surface, helping to keep airflow and suction performance as constant as possible.\u003c\/p\u003e\n\u003cp\u003eThe upstream separation in the CS-500 and cleaning in the cascade cleaner reduce the load of coarse dust and material particles on the cartridge filter. Nevertheless, the filter element must be inspected regularly and replaced if necessary.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eAutomatic refilling of the blast pot\u003c\/h5\u003e\n\u003cp\u003eThe processed abrasive is collected in the integrated storage hopper. It is mounted directly on or above the Contracor Z-200 blast pot.\u003c\/p\u003e\n\u003cp\u003eAs soon as the blast pot can be refilled, the cleaned abrasive automatically flows from the storage hopper back into the pot. This largely eliminates the need to manually collect, transport, and fill the recovered material.\u003c\/p\u003e\n\u003cp\u003eAutomatic refilling shortens the necessary interruptions during blasting operations and supports an economical, largely closed material cycle.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e💡 Direct material return:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe storage hopper is located directly on the Contracor Z-200 blast pot. This allows the cleaned abrasive to be reused immediately without additional transport routes.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eRecovery performance of up to 3.5 tonnes per hour\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S achieves a recovery performance of up to \u003cstrong\u003e3.5 tonnes per hour\u003c\/strong\u003e. This makes the system suitable for professional stationary blast halls with a regular volume of mineral abrasives.\u003c\/p\u003e\n\u003cp\u003eThe actual recovery performance depends on the type of abrasive, grain size, bulk density, moisture, dust load, hose length, hose routing, and existing differences in elevation.\u003c\/p\u003e\n\u003cp\u003eThe complete set includes a \u003cstrong\u003e4-meter-long abrasion-resistant rubber suction hose\u003c\/strong\u003e with an internal diameter of \u003cstrong\u003e63.5 mm\u003c\/strong\u003e. The maximum specified suction hose length is 10 meters.\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\u003eLong suction lines, tight bends, and significant differences in elevation increase flow resistance. The suction line should therefore be installed as short and straight as possible, without unnecessary changes in direction.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eEconomical reuse of mineral abrasives\u003c\/h5\u003e\n\u003cp\u003eEven with mineral abrasives, a technically usable fraction of the material may remain after the blasting process. Without suitable recovery and cleaning technology, this fraction is often disposed of together with dust and unusable material.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7S separates reusable components from spent material and automatically returns the cleaned fraction to the blast pot. This can reduce the need for new abrasive.\u003c\/p\u003e\n\u003cp\u003eAt the same time, manual cleaning effort, the necessary internal material transport, and the amount of abrasive requiring disposal are reduced.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive\u003c\/li\u003e\n\u003cli\u003e✅ Reuse of suitable mineral abrasive fractions\u003c\/li\u003e\n\u003cli\u003e✅ Lower disposal volume\u003c\/li\u003e\n\u003cli\u003e✅ Less manual cleaning work\u003c\/li\u003e\n\u003cli\u003e✅ Automated return to the blast pot\u003c\/li\u003e\n\u003cli\u003e✅ Reduced interruptions during blasting operations\u003c\/li\u003e\n\u003cli\u003e✅ More intensive processing with the cascade cleaner\u003c\/li\u003e\n\u003cli\u003e✅ Relieves the main filter through the CS-500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eFloor hopper with grate\u003c\/h5\u003e\n\u003cp\u003eThe floor hopper included in the complete set serves as the central collection point for used abrasive. Material lying on the hall floor is swept or shoveled into the hopper and then extracted by the vacuum unit.\u003c\/p\u003e\n\u003cp\u003eThe integrated grate retains larger foreign objects and prevents them from entering the suction hose and downstream system components.\u003c\/p\u003e\n\u003cp\u003eThis protects the suction line, primary dust separator, cascade cleaner and filter unit from coarse contaminants and potential damage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eSuitable abrasives\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S was specifically developed for recovering reusable mineral abrasives. Whether a particular material is suitable for multiple blasting cycles depends on grain stability, contamination, moisture content and its condition after the blasting process.\u003c\/p\u003e\n\u003cp\u003eAs the maximum size reference, the manufacturer specifies a grit size up to G40, corresponding to approximately \u003cstrong\u003e0.30 to 0.80 mm\u003c\/strong\u003e. In addition to particle size, particle shape, bulk density and flow characteristics also affect conveying and separation performance.\u003c\/p\u003e\n\u003cp\u003eThe abrasive must be dry and sufficiently free-flowing. Damp, clumped or heavily contaminated materials can reduce recovery 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 suitability:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eNot every mineral abrasive is suitable for repeated use. Highly friable single-use abrasives can generate a very high proportion of fines and dust and can only be recovered economically to a limited extent.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eOptional hand-operated suction tube\u003c\/h5\u003e\n\u003cp\u003eFor flexible collection of abrasive on larger floor areas, an optional hand-operated suction tube with support wheels and a handle is available. The accessory is supplied with a 10-meter PU suction hose.\u003c\/p\u003e\n\u003cp\u003eThe hand-operated suction tube enables targeted cleaning of areas that cannot be reached directly via the stationary floor hopper. The support wheels make it easier to guide and reduce physical effort.\u003c\/p\u003e\n\u003cp\u003eThe hand-operated suction tube is not included in the standard scope of delivery of the VAC-7S complete set.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003e🔧 Areas of application\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eStationary sandblasting halls\u003c\/li\u003e\n\u003cli\u003eBlast rooms with mineral abrasives\u003c\/li\u003e\n\u003cli\u003eApplications with increased dust generation\u003c\/li\u003e\n\u003cli\u003eStructural steelwork and metalworking\u003c\/li\u003e\n\u003cli\u003eTank and process equipment 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 marine maintenance\u003c\/li\u003e\n\u003cli\u003eSurface preparation before coating and painting\u003c\/li\u003e\n\u003cli\u003eRemoval of rust, mill scale and old coatings\u003c\/li\u003e\n\u003cli\u003eProcessing large steel structures\u003c\/li\u003e\n\u003cli\u003eRetrofitting existing Contracor Z-200 blast pots\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch5\u003eOperating requirements\u003c\/h5\u003e\n\u003cp\u003eOperation of the VAC-7S requires a suitable three-phase power connection with \u003cstrong\u003e3~ 380–420 V \/ 50 Hz\u003c\/strong\u003e. A suitable compressed air supply is additionally required for the 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 system weight of approximately \u003cstrong\u003e480 kg\u003c\/strong\u003e must be taken into account when planning the installation location, as well as during transport and positioning.\u003c\/p\u003e\n\u003cp\u003eSuitable line routing must be provided between the floor hopper, CS-500, recovery unit and blast pot. In addition, sufficient space should be provided for manual emptying of the dust pre-separator, filter maintenance and access to the system components.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eMaintenance and care\u003c\/h5\u003e\n\u003cp\u003eRegular maintenance is essential for consistently high suction, separation and recovery performance. The CS-500 dust pre-separator, cascade cleaner, cartridge filter, Pulse-Jet cleaning system and suction hoses in particular should be inspected regularly.\u003c\/p\u003e\n\u003cp\u003eThe collection area of the CS-500 must be emptied manually depending on the amount of dust and operating time. Emptying it too late can impair separation performance and place greater strain on downstream components.\u003c\/p\u003e\n\u003cp\u003eDeposits or foreign objects in the cascade cleaner can impair material separation. The floor hopper, grating and suction lines should therefore also be cleaned and inspected regularly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmpty the CS-500 dust pre-separator regularly\u003c\/li\u003e\n\u003cli\u003eCheck the cascade cleaner for deposits\u003c\/li\u003e\n\u003cli\u003eInspect the filter cartridge regularly\u003c\/li\u003e\n\u003cli\u003eCheck the function of the Pulse-Jet cleaning system\u003c\/li\u003e\n\u003cli\u003eInspect suction hoses for wear and leaks\u003c\/li\u003e\n\u003cli\u003eClean the floor hopper and grating\u003c\/li\u003e\n\u003cli\u003eKeep material paths free of foreign objects\u003c\/li\u003e\n\u003cli\u003eCheck the storage hopper and automatic filling system\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-5S or VAC-7S?\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-5S\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7S\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;\"\u003e5.5 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 3.5 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\u003eDust pre-separator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eCS-500\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\u003eCascade cleaner\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;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction and cleaning performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eIncreased\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eIncluded suction hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e3 m\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e500 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003e480 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecommended application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eMineral blasting media with increased dust generation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; text-align: center;\"\u003eIncreased requirements for suction power and material cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe VAC-5S is an economical solution for recovering dusty mineral blasting media. The VAC-7S additionally features a more powerful side-channel blower and a highly efficient cascade cleaner. It is therefore particularly suitable for applications requiring more intensive cleaning of the recycled blasting media in addition to pre-separation of dust.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eWhy the Contracor VAC-7S?\u003c\/h5\u003e\n\u003cp\u003eThe Contracor VAC-7S is a powerful complete solution for stationary blast halls where mineral abrasives are to be recovered economically, thoroughly cleaned and automatically reused.\u003c\/p\u003e\n\u003cp\u003eThe combination of a 7.5 kW side-channel blower, CS-500 pre-separator, cascade cleaner and cartridge filter enables multistage processing of used abrasive.\u003c\/p\u003e\n\u003cp\u003eThis reliably removes dust and unusable fine particles from the material cycle, while technically usable abrasive is automatically returned to the Contracor Z-200 blast pot.\u003c\/p\u003e\n\u003cp\u003eThe system reduces the need for manual cleaning and transport, lowers the demand for new abrasive and supports the cost-effective operation of professional blast halls.\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-7S?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7S collects used abrasive, separates reusable material from dust and unusable components, and automatically returns the cleaned abrasive to the blast pot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich abrasives was the VAC-7S developed for?\u003c\/strong\u003e\u003cbr\u003eThe system was specially developed for reusable mineral abrasives that can generate increased amounts of dust during blasting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VAC-7S and the VAC-7?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7S also includes the freestanding CS-500 pre-separator. This makes it particularly suitable for mineral and highly dust-generating abrasives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VAC-7S and the VAC-5S?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7S features a more powerful 7.5 kW side-channel blower and an additional cascade cleaner. This provides increased suction and cleaning performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the CS-500?\u003c\/strong\u003e\u003cbr\u003eThe CS-500 separates dust, fine particles and unusable material before the main filter unit. This relieves the cartridge filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the CS-500 emptied?\u003c\/strong\u003e\u003cbr\u003eThe pre-separator is emptied manually. The required intervals depend on the amount of dust, the type of abrasive and the operating time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the cascade cleaner?\u003c\/strong\u003e\u003cbr\u003eThe cascade cleaner uses an airflow to separate remaining light contaminants and fine particles from the heavier, reusable abrasive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich blast pots is the VAC-7S suitable for?\u003c\/strong\u003e\u003cbr\u003eThe recovery system is designed for Contracor Z-200 series blast pots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Z-200 blast pot included in the scope of delivery?\u003c\/strong\u003e\u003cbr\u003eNo. The blast pot is not included in the scope of delivery and must be ordered separately.\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 3.5 tonnes per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long can the suction hose be?\u003c\/strong\u003e\u003cbr\u003eThe maximum specified suction hose length is 10 metres. The complete set includes a 4-metre rubber suction hose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the 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\u003eIs the supplied suction hose abrasion-resistant?\u003c\/strong\u003e\u003cbr\u003eYes. The suction hose is made of abrasion-resistant rubber and is designed for the pneumatic transport of abrasives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum grain size that can be processed?\u003c\/strong\u003e\u003cbr\u003eAs a technical reference, the manufacturer specifies a maximum grain size of up to G40, or approximately 0.30–0.80 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan every mineral abrasive be reused?\u003c\/strong\u003e\u003cbr\u003eNo. Reusability depends on the material type, grain stability, contamination and condition after the blasting process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the used abrasive collected?\u003c\/strong\u003e\u003cbr\u003eThe material is placed in the floor hopper using a broom or shovel and then extracted by the vacuum unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the grate used for?\u003c\/strong\u003e\u003cbr\u003eThe grate retains larger foreign objects and protects the suction line and system components from coarse contamination.\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-7S 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-7S?\u003c\/strong\u003e\u003cbr\u003eThe sound pressure level specified by the manufacturer is 72 dB(A).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow heavy is the system?\u003c\/strong\u003e\u003cbr\u003eThe specified total weight is approximately 480 kg.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a manual suction tube included in the scope of delivery?\u003c\/strong\u003e\u003cbr\u003eNo. A manually operated suction tube with support wheels, handle and 10-metre PU suction hose is available as an optional accessory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7S be retrofitted in an existing blast room?\u003c\/strong\u003e\u003cbr\u003eYes. The system is suitable for retrofitting existing stationary blast rooms, provided a suitable Contracor Z-200 blast pot and the required utility connections are available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is recovering mineral abrasives worthwhile?\u003c\/strong\u003e\u003cbr\u003eBy separating reusable abrasive, dust and unusable fines, a suitable proportion of the material can be reused. This reduces abrasive consumption, disposal volumes and cleaning effort.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"Default Title","offer_id":49027786899803,"sku":"10300210","price":10968.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/strahlmittel-rueckgewinnungssystem-vac-7-s-contracor-10300210.jpg?v=1726503145","url":"https:\/\/ae6ea8-95.myshopify.com\/lt-ee\/products\/contracor-strahlmittel-ruckgewinnungssystem-vac-7s-mit-staubvorabscheider-cs-500-komplett-set","provider":"ABS Strahltechnik","version":"1.0","type":"link"}