{"product_id":"contracor-strahlmittelruckgewinnungssystem-vac-7s-mit-staubvorabscheider-cs-500-komplettset","title":"VAC-7S Abrasive Recovery System with CS-500 Dust Pre-separator, Complete Set","description":"\u003ch5\u003eContracor VAC-7S – High-Performance Abrasive Recovery System 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 high-performance, electrically powered vacuum recovery system for collecting, cleaning, and reusing used abrasive media. The system was specifically developed for mineral abrasive media that can generate increased dust and a higher proportion of unusable fine particles during blasting.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7S combines a powerful side-channel blower with a freestanding CS-500 dust pre-separator, a highly efficient cascade cleaner, an integrated cartridge filter, and automatic blast pot refilling. The recovered abrasive media is therefore conditioned in several stages before it returns 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 metric tons per hour\u003c\/strong\u003e, and a maximum suction hose length of \u003cstrong\u003e10 meters\u003c\/strong\u003e, the VAC-7S is suitable for professional stationary blast rooms with increased requirements for suction performance, dust separation, and abrasive cleaning.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eYour Benefits at a Glance\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✅ Specifically developed for reusable mineral abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Increased suction and cleaning performance\u003c\/li\u003e\n\u003cli\u003e✅ High-performance 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✅ Multi-stage separation of abrasive media, dust, and fine particles\u003c\/li\u003e\n\u003cli\u003e✅ Recovery capacity of up to 3.5 metric tons 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 refilling of the blast pot\u003c\/li\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Reduced dust load in the material cycle\u003c\/li\u003e\n\u003cli\u003e✅ Lower 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\u003ch5\u003e📦 Package Contents\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eContracor VAC-7S vacuum abrasive recovery system\u003c\/li\u003e\n\u003cli\u003eHigh-performance 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 container\u003c\/li\u003e\n\u003cli\u003eDevice for automatic refilling of the blast pot\u003c\/li\u003e\n\u003cli\u003eFloor hopper with grating\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\u0026quot;)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e💡 Note:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7S is designed for use with a \u003cstrong\u003eContracor Z-200 series blast pot\u003c\/strong\u003e. The blast pot is not included and is sold separately.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x: auto;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 700px;\"\u003e\u003cthead\u003e\u003ctr style=\"background: #4f4f4f; color: #ffffff;\"\u003e\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: left;\"\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eVAC-7S\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSystem type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eStationary vacuum abrasive recovery system\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eVersion\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eWith CS-500 dust pre-separator and cascade cleaner\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecommended abrasive media\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eReusable mineral abrasive media\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eElectric side-channel blower\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRated voltage\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e3~ 380 to 420 V \/ 50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive power\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e7.5 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eup to 3.5 t\/h\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaximum suction hose length\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e10 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eIncluded suction hose length\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e4 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction hose inner diameter\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e63.5 mm (2½\u0026quot;)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction hose material\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eAbrasion-resistant rubber\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaximum abrasive grit size\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eUp to G40, approx. 0.30 to 0.80 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDust pre-separator\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eCS-500, freestanding\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDust pre-separator emptying\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eManual\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eAbrasive cleaning\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eHighly efficient cascade cleaner\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eCartridge filter\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter area\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e7.5 m²\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter medium\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003ePolyester\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFilter cleaning\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eAutomatic pulse jet cleaning\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSound pressure level\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e72 dB(A)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e480 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuitable blast pot\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eContracor Z-200 series\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\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\u003c\/h5\u003e\n\u003chr\u003e\u003ch5\u003eMulti-Stage Abrasive Reconditioning\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S conditions used abrasive media in several coordinated stages. First, the material is collected through the floor hopper and transported via the suction hose to the freestanding CS-500 dust pre-separator.\u003c\/p\u003e\n\u003cp\u003eIn the CS-500, coarse dust, light contaminants, and unusable fractions are separated from the material stream. The reusable abrasive media then passes to the cascade cleaner, which provides further intensive separation of usable abrasive media from remaining fine particles.\u003c\/p\u003e\n\u003cp\u003eThe integrated cartridge filter performs fine separation of dust particles contained in the airflow. The cleaned abrasive media is then collected in the storage container and automatically returned to the connected blast pot.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\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 conditioning of mineral abrasive media that generate large amounts of dust.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eIncreased Suction and Cleaning Performance\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S is equipped with a powerful \u003cstrong\u003e7.5 kW\u003c\/strong\u003e side-channel blower. Compared with the VAC-5S, the system therefore provides increased suction performance and additional capacity 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 the used abrasive media to the dust pre-separator and recovery unit.\u003c\/p\u003e\n\u003cp\u003eCombined with the cascade cleaner, the VAC-7S provides not only increased suction performance but also more intensive conditioning of the recovered abrasive media.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eCS-500 Dust 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 located upstream of the main filter unit and provides initial separation of dust, fine particles, and unusable fractions.\u003c\/p\u003e\n\u003cp\u003ePre-separation significantly reduces the dust load on the downstream cartridge filter and helps prevent an excessive proportion of spent fine particles from returning to the abrasive cycle.\u003c\/p\u003e\n\u003cp\u003eMaterial separated in the CS-500 is collected in a separate chamber and emptied manually. The required emptying intervals depend on the abrasive type, dust content, and daily operating time.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Pre-separation of large amounts of dust and fine particles\u003c\/li\u003e\u003cli\u003e✅ Separation of usable and unusable material\u003c\/li\u003e\u003cli\u003e✅ Reduced load on the cartridge filter\u003c\/li\u003e\u003cli\u003e✅ Reduction of spent fine particles in the abrasive media cycle\u003c\/li\u003e\u003cli\u003e✅ Manually emptied collection chamber\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eHighly Efficient Cascade Cleaner\u003c\/h5\u003e\n\u003cp\u003eAfter pre-separation in the CS-500, the recovered abrasive media is further conditioned in a highly efficient cascade cleaner. The material falls in a controlled manner through an airflow that separates lighter fractions from the heavier, reusable abrasive media.\u003c\/p\u003e\n\u003cp\u003eDust, abrasion residue, broken grains, and other light contaminants are removed from the material stream. The cleaned abrasive media then enters the storage container.\u003c\/p\u003e\n\u003cp\u003eThis intensive cleaning supports a more uniform composition of the recovered material and can contribute to more reproducible blasting results, a more consistent blast pattern, and lower dust generation during subsequent operation.\u003c\/p\u003e\n\u003chr\u003e\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 removes fine dust particles from the airflow.\u003c\/p\u003e\n\u003cp\u003eAutomatic pulse jet cleaning uses short bursts of compressed air to clean the filter cartridge. Dust adhering to the filter surface is dislodged so that airflow and suction performance remain as constant as possible.\u003c\/p\u003e\n\u003cp\u003eBecause the CS-500 and cascade cleaner remove material upstream, the cartridge filter is exposed to less coarse dust and material. Nevertheless, the filter element must be inspected regularly and replaced when required.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eAutomatic Refilling of the Blast Pot\u003c\/h5\u003e\n\u003cp\u003eThe conditioned abrasive media is collected in the integrated storage container 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 media automatically falls from the storage container back into the pot. This largely eliminates manual collection, transport, and refilling of the recovered material.\u003c\/p\u003e\n\u003cp\u003eAutomatic refilling reduces interruptions during blasting and supports an economical, largely closed-loop material cycle.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e💡 Direct material recirculation:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe storage container is mounted directly on the Contracor Z-200 blast pot, allowing the cleaned abrasive media to be reused without additional material transport.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eUp to 3.5 Metric Tons of Recovery Capacity per Hour\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S achieves a recovery capacity of up to \u003cstrong\u003e3.5 metric tons per hour\u003c\/strong\u003e. This makes the system suitable for professional stationary blast rooms with regular volumes of mineral abrasive media.\u003c\/p\u003e\n\u003cp\u003eActual recovery performance depends on abrasive type, grit size, bulk density, moisture content, dust load, hose length, hose routing, and 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 inner diameter of \u003cstrong\u003e63.5 mm\u003c\/strong\u003e. The maximum intended suction hose length is 10 meters.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\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 kept as short and straight as possible and routed without unnecessary bends.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eEconomical Reuse of Mineral Abrasive Media\u003c\/h5\u003e\n\u003cp\u003eEven with mineral abrasives, a technically reusable portion of the material may remain after blasting. Without suitable recovery and cleaning technology, this portion is often disposed of together with dust and unusable material.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7S separates reusable fractions from spent material and automatically returns the cleaned portion to the blast pot. This can reduce the need for new abrasive media.\u003c\/p\u003e\n\u003cp\u003eAt the same time, manual cleaning work, internal material transport, and the volume of abrasive media requiring disposal are reduced.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Reduced consumption of new abrasive media\u003c\/li\u003e\u003cli\u003e✅ Reuse of suitable portions of mineral abrasive media\u003c\/li\u003e\u003cli\u003e✅ Reduced disposal volume\u003c\/li\u003e\u003cli\u003e✅ Less manual cleaning work\u003c\/li\u003e\u003cli\u003e✅ Automated return to the blast pot\u003c\/li\u003e\u003cli\u003e✅ Reduced interruptions during blasting\u003c\/li\u003e\u003cli\u003e✅ More intensive conditioning through the cascade cleaner\u003c\/li\u003e\u003cli\u003e✅ Reduced load on the main filter through the CS-500\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\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 shop floor is swept or shoveled into the hopper and then extracted by the vacuum unit.\u003c\/p\u003e\n\u003cp\u003eThe integrated grating traps 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, dust pre-separator, cascade cleaner, and filter unit from coarse contamination and possible damage.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eSuitable Abrasive Media\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7S was developed specifically for the recovery of reusable mineral abrasive media. Whether a particular material is suitable for multiple blasting cycles depends on grain stability, contamination, moisture content, and condition after blasting.\u003c\/p\u003e\n\u003cp\u003eAs a maximum size reference, the manufacturer specifies a grit size up to G40, approximately \u003cstrong\u003e0.30 to 0.80 mm\u003c\/strong\u003e. In addition to grit size, particle shape, bulk density, and flow characteristics influence conveying and separation performance.\u003c\/p\u003e\n\u003cp\u003eThe abrasive media must be dry and sufficiently free-flowing. Damp, clumped, or heavily contaminated material can reduce recovery performance and cause blockages.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e⚠️ Check abrasive suitability:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eNot every mineral abrasive is suitable for repeated use. Single-use abrasive media that breaks down rapidly can generate very high levels of fines and dust and may only be economical to recover to a limited extent.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eOptional Handheld Suction Tube\u003c\/h5\u003e\n\u003cp\u003eA handheld suction tube with support wheels and a handle is available as an option for flexible collection of abrasive media over larger floor areas. The accessory is supplied with a 10-meter-long PU suction hose.\u003c\/p\u003e\n\u003cp\u003eThe handheld 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 handheld suction tube is not included in the standard VAC-7S package.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003e🔧 Applications\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eStationary blast rooms\u003c\/li\u003e\u003cli\u003eBlast rooms using mineral abrasive media\u003c\/li\u003e\u003cli\u003eApplications with increased dust generation\u003c\/li\u003e\u003cli\u003eSteel construction and metal fabrication\u003c\/li\u003e\u003cli\u003eVessel and plant construction\u003c\/li\u003e\u003cli\u003eMechanical engineering\u003c\/li\u003e\u003cli\u003eAutomotive and commercial vehicle manufacturing\u003c\/li\u003e\u003cli\u003eRail vehicle manufacturing\u003c\/li\u003e\u003cli\u003eShipyards and maritime maintenance\u003c\/li\u003e\u003cli\u003eSurface preparation before coating and painting\u003c\/li\u003e\u003cli\u003eRemoval of rust, scale, and old coatings\u003c\/li\u003e\u003cli\u003eProcessing of large steel structures\u003c\/li\u003e\u003cli\u003eRetrofitting existing Contracor Z-200 blast pots\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eOperating Requirements\u003c\/h5\u003e\n\u003cp\u003eA suitable three-phase power connection with \u003cstrong\u003e3~ 380 to 420 V \/ 50 Hz\u003c\/strong\u003e is required to operate the VAC-7S. 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 system weight of approximately \u003cstrong\u003e480 kg\u003c\/strong\u003e must be considered when planning the installation site and during transport and installation.\u003c\/p\u003e\n\u003cp\u003eSuitable routing must be provided between the floor hopper, CS-500, recovery unit, and blast pot. Sufficient space should also be available for manual emptying of the dust pre-separator, filter maintenance, and access to the system components.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eMaintenance and Care\u003c\/h5\u003e\n\u003cp\u003eRegular maintenance is essential for sustained suction, separation, and recovery performance. In particular, the CS-500 dust pre-separator, cascade cleaner, cartridge filter, pulse jet cleaning system, and suction hoses should be checked regularly.\u003c\/p\u003e\n\u003cp\u003eThe CS-500 collection chamber must be emptied manually depending on the amount of dust and operating time. Delayed emptying can reduce separation performance and increase the load 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\u003cli\u003eEmpty the CS-500 dust pre-separator regularly\u003c\/li\u003e\u003cli\u003eCheck the cascade cleaner for deposits\u003c\/li\u003e\u003cli\u003eCheck the filter cartridge regularly\u003c\/li\u003e\u003cli\u003eCheck the function of the pulse jet cleaning system\u003c\/li\u003e\u003cli\u003eInspect suction hoses for abrasion and leaks\u003c\/li\u003e\u003cli\u003eClean the floor hopper and grating\u003c\/li\u003e\u003cli\u003eKeep material flow paths free of foreign objects\u003c\/li\u003e\u003cli\u003eCheck the storage container and automatic filling system\u003c\/li\u003e\u003cli\u003eHave electrical components serviced by qualified personnel\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eVAC-5S or VAC-7S?\u003c\/h5\u003e\u003cdiv style=\"overflow-x: auto;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 750px;\"\u003e\u003cthead\u003e\u003ctr style=\"background: #4f4f4f; color: #ffffff;\"\u003e\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-5S\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7S\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDrive power\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e5.5 kW\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e7.5 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 3.5 t\/h\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 3.5 t\/h\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDust pre-separator\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eCS-500\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eCS-500\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eCascade cleaner\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNo\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eYes\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eSuction and cleaning performance\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eStandard\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eIncreased\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eIncluded suction hose\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e3 m\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e4 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e500 kg\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e480 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRecommended application\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eMineral abrasive media with increased dust generation\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eHigher requirements for suction and abrasive cleaning\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThe VAC-5S is an economical solution for recovering dusty mineral abrasive media. The VAC-7S adds a more powerful side-channel blower and a highly efficient cascade cleaner, making it particularly suitable where intensive cleaning of recovered abrasive media is required in addition to dust pre-separation.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eWhy the Contracor VAC-7S?\u003c\/h5\u003e\n\u003cp\u003eThe Contracor VAC-7S is a powerful complete solution for stationary blast rooms where mineral abrasive media need to be economically recovered, intensively cleaned, and automatically reused.\u003c\/p\u003e\n\u003cp\u003eThe combination of the 7.5 kW side-channel blower, CS-500 dust pre-separator, cascade cleaner, and cartridge filter provides multi-stage conditioning of used abrasive media.\u003c\/p\u003e\n\u003cp\u003eDust and unusable fine particles are removed from the material cycle while technically reusable abrasive media is automatically returned to the Contracor Z-200 blast pot.\u003c\/p\u003e\n\u003cp\u003eThe system reduces manual cleaning and handling, lowers the need for new abrasive media, and supports economical operation of professional blast rooms.\u003c\/p\u003e\n\u003chr\u003e\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 media, separates reusable material from dust and unusable fractions, and automatically returns the cleaned abrasive media to the blast pot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor which abrasive media was the VAC-7S developed?\u003c\/strong\u003e\u003cbr\u003eThe system was specifically developed for reusable mineral abrasive media 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 additionally features the freestanding CS-500 dust pre-separator, making it particularly suitable for mineral abrasive media that generate large amounts of dust.\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, providing 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 fractions before they reach the main filter unit, reducing the load on the cartridge filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the CS-500 emptied?\u003c\/strong\u003e\u003cbr\u003eThe dust pre-separator is emptied manually. The required intervals depend on dust generation, abrasive type, and operating time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the cascade cleaner do?\u003c\/strong\u003e\u003cbr\u003eThe cascade cleaner uses an airflow to separate remaining light contaminants and fine particles from the heavier, reusable abrasive media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor which blast pots is the VAC-7S suitable?\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?\u003c\/strong\u003e\u003cbr\u003eNo. The blast pot is not included 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 metric tons per hour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long can the suction hose be?\u003c\/strong\u003e\u003cbr\u003eThe maximum intended suction hose length is 10 meters. The complete set includes a 4-meter-long rubber suction hose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the suction hose diameter?\u003c\/strong\u003e\u003cbr\u003eThe inner diameter is 63.5 mm or 2½ inches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the included suction hose abrasion-resistant?\u003c\/strong\u003e\u003cbr\u003eYes. The suction hose is made of abrasion-resistant rubber and is designed for pneumatic transport of abrasive media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum grain size that can be processed?\u003c\/strong\u003e\u003cbr\u003eAs a technical size reference, the manufacturer specifies a maximum grain size up to G40, approximately 0.30 to 0.80 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan every mineral abrasive be reused?\u003c\/strong\u003e\u003cbr\u003eNo. Reusability depends on material type, grain stability, contamination, and condition after blasting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the used abrasive media collected?\u003c\/strong\u003e\u003cbr\u003eThe material is swept or shoveled into the floor hopper and then extracted by the vacuum unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the grating used for?\u003c\/strong\u003e\u003cbr\u003eThe grating traps 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 automatically cleaned by short bursts of compressed air using 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 automatic pulse jet cleaning of the cartridge filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical power supply is required?\u003c\/strong\u003e\u003cbr\u003eA three-phase power connection with 3~ 380 to 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 handheld suction tube included?\u003c\/strong\u003e\u003cbr\u003eNo. A handheld suction tube with support wheels, a handle, and a 10-meter PU suction hose is available as an option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7S be retrofitted into an existing blast room?\u003c\/strong\u003e\u003cbr\u003eYes. The system is suitable for retrofitting existing stationary blast rooms, provided that a suitable Contracor Z-200 blast pot and the required utility connections are available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is it worthwhile to recover mineral abrasive media?\u003c\/strong\u003e\u003cbr\u003eBy separating usable abrasive media from dust and unusable fines, a suitable portion of the material can be reused. This reduces abrasive consumption, disposal volume, 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:\/\/strahltechnik-express.de\/en-pt\/products\/contracor-strahlmittelruckgewinnungssystem-vac-7s-mit-staubvorabscheider-cs-500-komplettset","provider":"ABS Strahltechnik","version":"1.0","type":"link"}