{"product_id":"contracor-venturi-sandstrahlduse-ntc-wolframkarbid-kurz-dusenbohrung-3-5-bis-8-mm","title":"Venturi blast nozzle NTC, tungsten carbide, short, 25 mm coarse thread, nozzle bore 3,5 to 8 mm","description":"\u003ch5\u003eContracor NTC – short Venturi sandblasting nozzle made of tungsten carbide\u003c\/h5\u003e\u003cp\u003eThe \u003cstrong\u003eContracor NTC\u003c\/strong\u003e is a compact short Venturi blast nozzle for professional pressure blast systems. With its short overall length of just \u003cstrong\u003e45 mm\u003c\/strong\u003e, it is particularly suitable for work with a short nozzle distance, confined work areas and smaller blast surfaces.\u003c\/p\u003e\u003cp\u003eThe nozzle core made of \u003cstrong\u003etungsten carbide (TC)\u003c\/strong\u003e is resistant to mechanical stress and is particularly suitable for mineral abrasives as well as demanding applications on construction sites, in workshops and in industrial surface treatment. The aluminium jacket protects the nozzle core and keeps the design compact.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eYour benefits at a glance\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✅ Compact short Venturi nozzle measuring just 45 mm in length\u003cbr\u003e✅ Wide blast pattern at a short working distance\u003cbr\u003e✅ Wear-resistant nozzle core made of tungsten carbide\u003cbr\u003e✅ Robust aluminium jacket\u003cbr\u003e✅ Suitable for mechanically demanding applications\u003cbr\u003e✅ Four nozzle bores from 3.5 to 8.0 mm available\u003cbr\u003e✅ 13 mm inlet opening\u003cbr\u003e✅ 1 1\/8\" UNC coarse thread\u003cbr\u003e✅ Suitable for mobile and stationary pressure blast systems\u003cbr\u003e✅ Fast nozzle change thanks to coarse thread\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;\"\u003eNTC\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;\"\u003eShort Venturi 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;\"\u003eJacket\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;\"\u003eThread\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e1 1\/8\" UNC coarse thread\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;\"\u003eInlet opening\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e13 mm\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;\"\u003e45 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;\"\u003eNozzle bores\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e3.5 \/ 5.0 \/ 6.5 \/ 8.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants, article numbers and air consumption\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 consumption at 6 bar*\u003c\/th\u003e\n\u003cth style=\"background:#e5e5e5;padding:12px;border-bottom:1px solid #c8c8c8;\"\u003eArticle 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;\"\u003eNTC-3.5\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e3.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e45 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003eapprox. 0.50 m³\/min\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e8e8e8;\"\u003e10112550\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;\"\u003eNTC-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;\"\u003e45 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;\"\u003e10112551\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;\"\u003eNTC-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;\"\u003e45 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;\"\u003e10112552\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;\"\u003eNTC-8.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e8.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e45 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003eapprox. 3.40 m³\/min\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;\"\u003e10112553\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📌 Note on air consumption:\u003c\/strong\u003e\u003cbr\u003e*The values are approximate figures at a nozzle pressure of 6 bar. The actual required air volume depends, among other things, on the line cross-section, hose length, pressure losses and the nozzle's state of wear. The compressor should have sufficient capacity reserve.\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eShort Venturi geometry\u003c\/h5\u003e\u003cp\u003eThe short Venturi geometry is designed for small distances between the nozzle and workpiece. At short distances, it produces a wider blast pattern than a simple nozzle with a straight bore. This makes the NTC particularly suitable for spot work, smaller surfaces, edges, profiles and hard-to-reach areas.\u003c\/p\u003e\u003cp\u003eFor large, freely accessible surfaces and maximum area coverage, a longer Venturi nozzle is often the better choice.\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\u003eWith highly aggressive abrasives such as white fused alumina or silicon carbide, tungsten carbide wears significantly faster than boron carbide. For such applications, it should be considered whether a boron carbide nozzle would be more economical.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eChoosing the right nozzle bore\u003c\/h5\u003e\u003cp\u003eAs the bore diameter increases, blasting performance, air demand, and abrasive consumption increase. The nozzle size must therefore match the available compressor capacity, the internal diameter of the blast hose, and the desired work performance.\u003c\/p\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ 3.5 mm: small areas, fine work, and low compressor capacity\u003cbr\u003e✔ 5.0 mm: compact blasting systems and general cleaning work\u003cbr\u003e✔ 6.5 mm: professional mobile applications with medium area coverage\u003cbr\u003e✔ 8.0 mm: higher blasting performance with a correspondingly powerful compressor\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eTypical applications\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ Rust and paint removal from smaller areas\u003cbr\u003e✔ Processing edges, profiles, and weld seams\u003cbr\u003e✔ Surface preparation before painting and coating\u003cbr\u003e✔ Repair and maintenance work\u003cbr\u003e✔ Mobile blasting work on construction sites\u003cbr\u003e✔ Metalworking, mechanical engineering, and plant construction\u003cbr\u003e✔ Workshop and industrial operations\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eInstallation and compatibility\u003c\/h5\u003e\u003cp\u003eThe NTC has a \u003cstrong\u003e1 1\/8\"-UNC coarse thread\u003c\/strong\u003e and a 13 mm inlet opening. Before ordering, check that the existing nozzle holder matches this thread and the nozzle inlet size exactly.\u003c\/p\u003e\u003cp\u003eAn intact, suitable nozzle seal must be fitted between the nozzle and nozzle holder. A damaged or missing seal can cause air and abrasive leakage and damage the nozzle holder.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eMaintenance and safety\u003c\/h5\u003e\u003cdiv style=\"line-height:1.75;\"\u003e✔ Regularly check the nozzle bore for wear\u003cbr\u003e✔ Check the nozzle for cracks and damage before every use\u003cbr\u003e✔ Keep the seal and thread clean\u003cbr\u003e✔ Install or replace only when the system is completely depressurized\u003cbr\u003e✔ Use only suitable nozzle holders\u003cbr\u003e✔ Properly ground the blasting system\u003cbr\u003e✔ Use the required respiratory and blast protection equipment\u003c\/div\u003e\u003cp\u003eA worn nozzle bore significantly increases air and abrasive consumption. Even a slight increase in diameter can prevent the available compressor from reaching the required nozzle pressure.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ – frequently asked questions\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhat thread does the Contracor NTC have?\u003c\/strong\u003e\u003cbr\u003eThe nozzle has a 1 1\/8\"-UNC coarse thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long is the NTC?\u003c\/strong\u003e\u003cbr\u003eAll four variants have an overall length of 45 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat inlet opening does the nozzle have?\u003c\/strong\u003e\u003cbr\u003eThe inlet opening is 13 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich nozzle bores are available?\u003c\/strong\u003e\u003cbr\u003eThe NTC is available with 3.5, 5.0, 6.5, and 8.0 mm bores.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the NTC suitable for large areas?\u003c\/strong\u003e\u003cbr\u003eIt can be used for this purpose, but due to its short design, it is primarily intended for short working distances and smaller or hard-to-reach areas. For maximum area coverage, a long Venturi nozzle is generally recommended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow can I tell if a nozzle is worn?\u003c\/strong\u003e\u003cbr\u003eTypical signs include an enlarged or irregular bore, increased air consumption, reduced nozzle pressure, and an uneven blast pattern.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"3.5 x 45","offer_id":49019481719131,"sku":"10112550","price":50.34,"currency_code":"EUR","in_stock":true},{"title":"5 x 45","offer_id":49019481751899,"sku":"10112551","price":50.34,"currency_code":"EUR","in_stock":true},{"title":"6.5 x 45","offer_id":49019481784667,"sku":"10112552","price":50.34,"currency_code":"EUR","in_stock":true},{"title":"8 x 45","offer_id":49019481817435,"sku":"10112553","price":50.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/venturi-sandstrahlduese-wolframkarbid-ntc-kurz-contracor.jpg?v=1726396220","url":"https:\/\/ae6ea8-95.myshopify.com\/fr-ie\/products\/contracor-venturi-sandstrahlduse-ntc-wolframkarbid-kurz-dusenbohrung-3-5-bis-8-mm","provider":"ABS Strahltechnik","version":"1.0","type":"link"}