{"product_id":"contracor-venturi-steck-sandstrahlduse-gtc-25-wolframkarbid-lang-dusenbohrung-5-bis-8-mm","title":"Venturi push-in blast nozzle GTC-25, tungsten carbide, long, nozzle bore 5 to 8 mm","description":"\u003ch5\u003eContracor GTC-25 – tungsten carbide Venturi push-in nozzle for blast hose ID 25 mm\u003c\/h5\u003e\u003cp\u003eThe \u003cstrong\u003eContracor GTC-25\u003c\/strong\u003e is a long Venturi push-in nozzle for professional pressure blasting systems. It is inserted directly into a sandblasting hose with a \u003cstrong\u003e25 mm internal diameter\u003c\/strong\u003e and does not require a separate threaded nozzle holder.\u003c\/p\u003e\u003cp\u003eThe wear-resistant nozzle core made of \u003cstrong\u003etungsten carbide (TC)\u003c\/strong\u003e is resistant to mechanical stresses and is particularly suitable for mineral abrasives as well as demanding construction site and industrial applications. The long Venturi geometry produces a wide, powerful blast pattern and enables high area coverage.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eYour benefits at a glance\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✅ Long Venturi geometry for high area coverage\u003cbr\u003e✅ Direct installation in blast hoses with a 25 mm internal diameter\u003cbr\u003e✅ No separate threaded nozzle holder required\u003cbr\u003e✅ Wear-resistant tungsten carbide nozzle core\u003cbr\u003e✅ Robust aluminium casing\u003cbr\u003e✅ Three nozzle bores from 5.0 to 8.0 mm\u003cbr\u003e✅ Consistent overall length of 100 mm\u003cbr\u003e✅ Suitable for mobile and stationary pressure blasting systems\u003cbr\u003e✅ Particularly suitable for mechanically demanding applications\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eTechnical data\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;min-width:700px;border-collapse:separate;border-spacing:0;text-align:center;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"position:sticky;left:0;z-index:3;background:#e5e5e5;padding:12px;border-right:1px solid #d0d0d0;border-bottom:1px solid #c8c8c8;text-align:left;white-space:nowrap;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eGTC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7f7f7;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#f7f7f7;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eNozzle shape\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eLong Venturi push-in nozzle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eNozzle core\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eTungsten carbide (TC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7f7f7;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#f7f7f7;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eOuter casing\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003ePush-in connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7f7f7;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#f7f7f7;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eCompatible blast hose\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e25 mm internal diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eOverall length\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7f7f7;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#f7f7f7;padding:10px 12px;border-right:1px solid #e0e0e0;text-align:left;font-weight:600;\"\u003eIndicative service life\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003eup to approx. 400 operating hours*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants, item numbers and air requirements\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;min-width:820px;border-collapse:separate;border-spacing:0;text-align:center;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"position:sticky;left:0;z-index:3;background:#e5e5e5;padding:12px;border-right:1px solid #d0d0d0;border-bottom:1px solid #c8c8c8;text-align:left;white-space:nowrap;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eBore\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eLength\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eAir requirement at 6 bar**\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eItem number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eGTC-5.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e5.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e100 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eapprox. 1.10 m³\/min\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e10112031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f7f7f7;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#f7f7f7;padding:10px 12px;border-right:1px solid #e0e0e0;border-bottom:1px solid #e8e8e8;text-align:left;font-weight:600;\"\u003eGTC-6.5\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e6.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e100 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eapprox. 2.05 m³\/min\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e10112032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px 12px;border-right:1px solid #e0e0e0;text-align:left;font-weight:600;\"\u003eGTC-8.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e8.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e100 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003eapprox. 3.40 m³\/min\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e10112033\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cdiv style=\"margin-top:16px;padding:14px 16px;background:#f3f3f3;border-radius:10px;\"\u003e\n\u003cstrong\u003e📌 Notes:\u003c\/strong\u003e\u003cbr\u003e*Actual service life depends heavily on the abrasive, grain size, operating pressure and handling.\u003cbr\u003e**Air volumes are approximate values at a nozzle pressure of 6 bar. Pressure losses and compressor capacity reserve must also be taken into account.\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVenturi geometry for high area coverage\u003c\/h5\u003e\u003cp\u003eThe long Venturi bore accelerates the air-abrasive mixture in a controlled manner and produces a wide blast pattern. Compared with a simple straight bore, this can achieve higher area coverage with suitable system performance.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eSuitable abrasives\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ Slag abrasives\u003cbr\u003e✔ Garnet sand\u003cbr\u003e✔ Glass beads\u003cbr\u003e✔ Steel grit and steel shot\u003cbr\u003e✔ Mineral reusable abrasives\u003cbr\u003e✔ Other dry, free-flowing abrasives\u003c\/div\u003e\u003cp\u003eFor highly aggressive media such as brown fused alumina or silicon carbide, an insert nozzle with a boron carbide core – such as the Contracor GBC – may offer a more economical service life.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eInstallation\u003c\/h5\u003e\u003cp\u003eThe GTC is inserted into the end of a suitable blasting hose with an internal diameter of 25 mm and securely fixed using the designated attachment. Installation must be carried out in accordance with the manufacturer’s instructions. Before every use, check the nozzle, hose and attachment for secure fit, wear and damage.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTypical applications\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ Rust and paint removal\u003cbr\u003e✔ Surface preparation before coating\u003cbr\u003e✔ Steel, machinery and plant construction\u003cbr\u003e✔ Corrosion protection work\u003cbr\u003e✔ Mobile construction-site applications\u003cbr\u003e✔ Workshop and industrial operations\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eMaintenance and safety\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ Measure and check the nozzle bore regularly\u003cbr\u003e✔ Check the nozzle and aluminium jacket for cracks\u003cbr\u003e✔ Check the attachment to the hose before every use\u003cbr\u003e✔ Change the nozzle only when the system is completely depressurized\u003cbr\u003e✔ Replace damaged or heavily worn nozzles immediately\u003cbr\u003e✔ Properly ground the blasting system\u003cbr\u003e✔ Wear the required respiratory and blast protection equipment\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eFAQ – frequently asked questions\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhich blasting hose is the GTC suitable for?\u003c\/strong\u003e\u003cbr\u003eFor sandblasting hoses with an internal diameter of 25 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the nozzle require a threaded nozzle holder?\u003c\/strong\u003e\u003cbr\u003eNo. The GTC is designed as an insert nozzle for direct hose mounting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich bore sizes are available?\u003c\/strong\u003e\u003cbr\u003e5.0, 6.5 and 8.0 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the GTC and GBC?\u003c\/strong\u003e\u003cbr\u003eThe design and hose size are comparable. The GTC has a tungsten carbide core, while the GBC has a more wear-resistant boron carbide core.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy does air consumption increase with wear?\u003c\/strong\u003e\u003cbr\u003eIncreasing the nozzle bore allows more compressed air to flow out. As a result, nozzle pressure may drop if the compressor does not have sufficient reserve capacity.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"5 x 100","offer_id":49019502297435,"sku":"10112031","price":355.0,"currency_code":"RON","in_stock":true},{"title":"6.5 x 100","offer_id":49019502330203,"sku":"10112032","price":355.0,"currency_code":"RON","in_stock":true},{"title":"8 x 100","offer_id":49019502362971,"sku":"10112033","price":355.0,"currency_code":"RON","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/venturi-steck-sandstrahlduese-wolframkarbid-borcarbid-gtc-gbc-lang-contracor.jpg?v=1726397794","url":"https:\/\/ae6ea8-95.myshopify.com\/en-ro\/products\/contracor-venturi-steck-sandstrahlduse-gtc-25-wolframkarbid-lang-dusenbohrung-5-bis-8-mm","provider":"ABS Strahltechnik","version":"1.0","type":"link"}