{"product_id":"contracor-strahlmittelruckgewinnungssystem-vac-7hs-mit-lagersilo-und-staubvorabscheider-cs-500-komplettset","title":"VAC-7HS Abrasive Recovery System with Storage Silo and CS-500 Dust Pre-separator, Complete Set","description":"\u003ch5\u003eContracor VAC-7HS – Abrasive Recovery System with Storage Silo and CS-500 Dust Pre-Separator\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eContracor VAC-7HS abrasive recovery system with storage silo and CS-500 dust pre-separator\u003c\/strong\u003e is a high-performance, electrically powered vacuum recovery system for collecting, cleaning, and temporarily storing used abrasive media. The system was specifically developed for mineral abrasive media that can generate increased dust and a high proportion of unusable fine particles during blasting.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7HS combines a powerful side-channel blower with a freestanding CS-500 dust pre-separator, an integrated cartridge filter, and a separately installed storage silo with a volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e. The collected abrasive media is separated from unusable material, filtered, and then stored in the silo independently of the blast pot.\u003c\/p\u003e\n\u003cp\u003eThe manually operated shut-off valve allows the recovered material to be discharged from the silo in a controlled manner. Suitable abrasive media can be refilled into a blast pot, while material that is no longer usable can alternatively be discharged into a big bag for organized disposal.\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-7HS is suitable for professional stationary blast rooms with increased requirements for dust separation, material storage, and flexible further processing.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eYour Benefits at a Glance\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✅ Specifically developed for mineral abrasive media with increased dust generation\u003c\/li\u003e\n\u003cli\u003e✅ Freestanding CS-500 dust pre-separator\u003c\/li\u003e\n\u003cli\u003e✅ Freestanding storage silo with 0.3 m³ volume\u003c\/li\u003e\n\u003cli\u003e✅ High-performance 7.5 kW side-channel blower\u003c\/li\u003e\n\u003cli\u003e✅ Recovery capacity of up to 3.5 metric tons per hour\u003c\/li\u003e\n\u003cli\u003e✅ Separation of reusable and unusable abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Central intermediate storage of recovered material\u003c\/li\u003e\n\u003cli\u003e✅ Manually controlled material discharge via shut-off valve\u003c\/li\u003e\n\u003cli\u003e✅ Blast pot can be refilled for reuse\u003c\/li\u003e\n\u003cli\u003e✅ Alternatively suitable for big bag filling\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✅ Reduced load on the main filter through pre-separation\u003c\/li\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Reduced cleaning and disposal effort\u003c\/li\u003e\n\u003cli\u003e✅ Flexible installation independent of the blast pot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003e📦 Package Contents\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eContracor VAC-7HS vacuum abrasive recovery system\u003c\/li\u003e\n\u003cli\u003e7.5 kW electric 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\u003eFreestanding abrasive storage silo with 0.3 m³ volume\u003c\/li\u003e\n\u003cli\u003eManually operated shut-off valve on the storage silo\u003c\/li\u003e\n\u003cli\u003eIntegrated high-performance cartridge filter\u003c\/li\u003e\n\u003cli\u003eAutomatic pulse jet filter cleaning\u003c\/li\u003e\n\u003cli\u003eFloor hopper with grating\u003c\/li\u003e\n\u003cli\u003e5 m abrasion-resistant rubber suction hose\u003c\/li\u003e\n\u003cli\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\u003eA blast pot and suitable big bag holder are not included. Material is discharged from the storage silo manually via the integrated shut-off valve.\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-7HS\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 storage silo and CS-500 dust pre-separator\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\u003eSilo volume\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e0.3 m³\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eMaterial discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eManual via shut-off valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eUse options\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eRefilling a blast pot or filling a big bag\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\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 style=\"background: #f7f7f7;\"\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\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 style=\"background: #f7f7f7;\"\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\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 style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eIncluded suction hose length\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003e5 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\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 style=\"background: #f7f7f7;\"\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\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 style=\"background: #f7f7f7;\"\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\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 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;\"\u003e565 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eDimensions (mm)\u003c\/h5\u003e\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/abmessungen-strahlmittel-rueckgewinnungssystem-vac-7-hs-contracor-10300510.jpg?v=1784808589\"\u003e\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eSpecifically for Mineral Abrasive Media\u003c\/h5\u003e\n\u003cp\u003eMineral abrasive media can generate high levels of dust, abrasion residue, and broken grains during blasting. These fine fractions should be separated as reliably as possible from the still-usable abrasive media before the material is reused or stored.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7HS was developed specifically for these applications. The upstream CS-500 performs initial separation of reusable abrasive media from unusable fractions before the material stream reaches the recovery unit and storage silo.\u003c\/p\u003e\n\u003cp\u003eThis makes the system particularly suitable for blast rooms using mineral abrasive media where increased dust loads are expected within the material cycle.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e🎯 The difference compared with the VAC-7H:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7HS additionally features the freestanding CS-500 dust pre-separator. This makes it particularly suitable for mineral abrasive media with increased dust generation.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eMulti-Stage Recovery Process\u003c\/h5\u003e\n\u003cp\u003eUsed abrasive media is first swept or shoveled into the floor hopper. From there, the powerful side-channel blower draws the material through the abrasion-resistant rubber suction hose.\u003c\/p\u003e\n\u003cp\u003eThe material stream first reaches the freestanding CS-500 dust pre-separator. There, abrasive media suitable for reuse is separated from dust, fine particles, and unusable material.\u003c\/p\u003e\n\u003cp\u003eThe recovered abrasive media is then transported to the main system and into the freestanding 0.3 m³ storage silo. Fine dust particles remaining in the airflow are captured by the integrated cartridge filter.\u003c\/p\u003e\n\u003cp\u003eThe material remains in the storage silo until it is discharged through the manually operated shut-off valve into a blast pot, another material container, or a big bag station.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eFreestanding CS-500 Dust Pre-Separator\u003c\/h5\u003e\n\u003cp\u003eThe CS-500 is positioned in the material path upstream of the main recovery and filter unit. It provides initial separation of dust, broken abrasive grains, and other lighter fractions.\u003c\/p\u003e\n\u003cp\u003eThis reduces the dust load on downstream components and reduces the proportion of unusable fine particles entering the storage silo.\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 abrasive type, dust generation, and daily operating time.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Pre-separation of large dust and fine-particle fractions\u003c\/li\u003e\u003cli\u003e✅ Separation of usable and unusable material\u003c\/li\u003e\u003cli\u003e✅ Reduced load on the integrated cartridge filter\u003c\/li\u003e\u003cli\u003e✅ Improved quality of stored abrasive media\u003c\/li\u003e\u003cli\u003e✅ Separate collection chamber with manual emptying\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eFreestanding Storage Silo with 0.3 m³ Volume\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS has a separately installed abrasive storage silo with a volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e. The recovered material is therefore not automatically returned to a single blast pot but is first collected centrally.\u003c\/p\u003e\n\u003cp\u003eThe operator can store the material temporarily, inspect it, and then decide whether it should be reused or disposed of. The freestanding design allows flexible integration into existing blast rooms and is not directly tied to a particular blast pot.\u003c\/p\u003e\n\u003cp\u003eThe actual quantity of material that can be stored in the silo depends on the bulk density of the abrasive media used.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e💡 Flexible intermediate storage:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe storage silo allows recovered material to be processed further independently of the blasting operation in terms of both time and location.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eReuse or Big Bag Filling\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS can be used both for reusing suitable abrasive media and for organized disposal of material that can no longer be used.\u003c\/p\u003e\n\u003cp\u003eFor reuse, a suitable blast pot or material container is positioned beneath the discharge point. After the manual shut-off valve is opened, the abrasive media falls from the storage silo by gravity.\u003c\/p\u003e\n\u003cp\u003eFor disposal, a suitable big bag filling station can be positioned beneath the discharge point. This allows recovered abrasive media to be collected in a controlled manner and prepared for transport.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Controlled discharge into a blast pot\u003c\/li\u003e\u003cli\u003e✅ Flexible use with different material containers\u003c\/li\u003e\u003cli\u003e✅ Big bag filling for disposal\u003c\/li\u003e\u003cli\u003e✅ Material can be processed independently of blasting operations\u003c\/li\u003e\u003cli\u003e✅ Central collection of recovered abrasive media\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eManual Material Discharge via Shut-Off Valve\u003c\/h5\u003e\n\u003cp\u003eMaterial stored in the 0.3 m³ silo is discharged via a manually operated shut-off valve. The operator controls both the timing and quantity of material discharge.\u003c\/p\u003e\n\u003cp\u003eManual operation provides simple, controlled handling, while the closed valve prevents unintended emptying of the silo.\u003c\/p\u003e\n\u003cp\u003eBefore opening the valve, the intended blast pot, material container, or big bag must be correctly positioned and secured against movement.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e📌 Important note:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7HS does not automatically refill a blast pot. Material is discharged manually through the storage silo's shut-off valve.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eHigh-Performance Side-Channel Blower\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS is equipped with an electric side-channel blower with a drive power of \u003cstrong\u003e7.5 kW\u003c\/strong\u003e. It generates the vacuum required for pneumatic material transport.\u003c\/p\u003e\n\u003cp\u003eUsed abrasive media is conveyed through the suction line to the CS-500 and then to the recovery unit and storage silo.\u003c\/p\u003e\n\u003cp\u003eActual conveying performance depends on abrasive type, particle shape, bulk density, moisture content, contamination level, hose length, and hose routing.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eIntegrated Cartridge Filter with Pulse Jet Cleaning\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS has an integrated 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. Adhering dust is released from the filter surface so that airflow and suction performance remain as consistent as possible.\u003c\/p\u003e\n\u003cp\u003eThe upstream CS-500 reduces the amount of dust reaching the cartridge filter. This reduces the load on the filter element and can improve service life compared with a system without pre-separation.\u003c\/p\u003e\n\u003cp\u003eDespite automatic cleaning, the cartridge filter must be inspected regularly and replaced when required depending on dust load and operating time.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eUp to 3.5 Metric Tons of Recovery Capacity per Hour\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS 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\u003eThe maximum intended suction hose length is \u003cstrong\u003e10 meters\u003c\/strong\u003e. The complete set includes a \u003cstrong\u003e5-meter abrasion-resistant rubber suction hose\u003c\/strong\u003e with an inner diameter of \u003cstrong\u003e63.5 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eActual performance can vary with different abrasive media due to specific gravity, particle shape, moisture content, and flow characteristics. Hose bends, cross-section restrictions, and differences in elevation also influence conveying performance.\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\u003eThe suction line should be kept as short and straight as possible and routed without unnecessary bends. Increased flow resistance can reduce recovery performance.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eEconomical Abrasive Reconditioning\u003c\/h5\u003e\n\u003cp\u003eEven with mineral abrasive media, a technically reusable portion may remain after blasting. Without recovery, this portion is often disposed of together with dust and unusable material.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7HS separates the reusable fraction in the CS-500 and stores it in the freestanding storage silo. The operator can then decide whether the material should be reused or sent for disposal.\u003c\/p\u003e\n\u003cp\u003eThis can reduce the need for new abrasive media, manual cleaning work, internal material transport, and disposal volumes.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Reduced need for 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✅ Central and controlled material storage\u003c\/li\u003e\u003cli\u003e✅ Less manual material handling\u003c\/li\u003e\u003cli\u003e✅ Less cleaning work in the blast room\u003c\/li\u003e\u003cli\u003e✅ Flexible decision between reuse and disposal\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 before they can enter the suction line. This protects the suction hose, dust pre-separator, filter unit, and storage silo from coarse contamination.\u003c\/p\u003e\n\u003cp\u003eThe floor hopper allows a stationary recovery system to be retrofitted without installing a complete automatic floor conveyor system.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eSuitable Abrasive Media\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7HS was developed specifically for reusable mineral abrasive media. Whether a particular material is suitable for multiple blasting cycles depends on grain stability, contamination, and condition after blasting.\u003c\/p\u003e\n\u003cp\u003eAs a technical size reference, the manufacturer specifies a maximum grit size up to \u003cstrong\u003eG40, approximately 0.30 to 0.80 mm\u003c\/strong\u003e. Actual suitability also depends on particle shape, bulk density, moisture content, and flow characteristics.\u003c\/p\u003e\n\u003cp\u003eThe material should be dry and sufficiently free-flowing. Damp, clumped, or heavily contaminated abrasive media can reduce suction performance and block material paths.\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 reuse. Single-use abrasive media that breaks down rapidly may only be economical to recover to a limited extent, even with pre-separation.\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 PU suction hose.\u003c\/p\u003e\n\u003cp\u003eThe handheld suction tube enables targeted collection of loose material in areas that cannot be reached directly via the stationary floor hopper.\u003c\/p\u003e\n\u003cp\u003eThe support wheels make the suction tube easier to guide and reduce physical effort. The handheld suction tube is not included in the standard VAC-7HS 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\u003eCentral abrasive collection\u003c\/li\u003e\u003cli\u003eIntermediate storage of recovered abrasive media\u003c\/li\u003e\u003cli\u003eFilling different blast pots\u003c\/li\u003e\u003cli\u003eBig bag filling stations\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\u003eRetrofitting existing stationary blasting systems\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-7HS. 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\u003e565 kg\u003c\/strong\u003e, plus the weight of the abrasive media stored in the silo, must be taken into account during planning.\u003c\/p\u003e\n\u003cp\u003eSuitable material routes must be provided between the floor hopper, CS-500, recovery unit, and storage silo. All components must remain accessible for operation, maintenance, and cleaning.\u003c\/p\u003e\n\u003cp\u003eSufficient space must be available beneath the silo outlet for a blast pot, material container, or suitable big bag holder.\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, cartridge filter, pulse jet cleaning system, suction hoses, and storage silo must be inspected regularly.\u003c\/p\u003e\n\u003cp\u003eThe dust pre-separator must be emptied manually according to the amount of material collected. Delayed emptying can impair separation performance and place a greater load on downstream components.\u003c\/p\u003e\n\u003cp\u003eThe storage silo and shut-off valve must also be inspected for deposits, wear, and correct operation. The valve must close reliably and be safe to operate.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eEmpty the CS-500 dust pre-separator regularly\u003c\/li\u003e\u003cli\u003eCheck the separation chamber 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\u003eCheck the storage silo for deposits\u003c\/li\u003e\u003cli\u003eCheck the shut-off valve for correct operation and leaks\u003c\/li\u003e\u003cli\u003eKeep material flow paths free of foreign objects\u003c\/li\u003e\u003cli\u003eHave electrical components serviced by qualified personnel\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eVAC-7H or VAC-7HS?\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-7H\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7HS\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;\"\u003e7.5 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\u003eStorage silo\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e0.3 m³\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e0.3 m³\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;\"\u003eNo\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\u003eRecovery capacity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eup to 4.0 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\u003eMaterial discharge\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eManual\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eManual\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;\"\u003eGeneral abrasive recovery\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eMineral abrasive media with increased dust generation\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;\"\u003e525 kg\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e565 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eThe VAC-7H is suitable for general recovery and intermediate storage of reusable abrasive media. The VAC-7HS additionally includes the CS-500 dust pre-separator and is therefore particularly suitable for mineral abrasive media with increased dust generation.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eVAC-7S or VAC-7HS?\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-7S\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7HS\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\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\u003eMaterial container\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eStorage container mounted directly on the blast pot\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eFreestanding 0.3 m³ storage silo\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eCascade cleaner\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eYes\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNo\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eRefilling\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eAutomatic\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eManual via shut-off valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eBig bag filling\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eNot intended\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003ePossible\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;\"\u003eAutomatic abrasive cycle with Z-200\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eFlexible storage, reuse, or disposal\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eThe VAC-7S is suitable for an automatic recovery cycle with direct refilling of a Contracor Z-200 blast pot. The VAC-7HS instead uses a freestanding storage silo and allows flexible, manually controlled reuse or disposal of the material.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eWhy the Contracor VAC-7HS?\u003c\/h5\u003e\n\u003cp\u003eThe Contracor VAC-7HS is a flexible complete solution for stationary blast rooms where mineral abrasive media with increased dust generation need to be recovered, pre-cleaned, and stored independently of the blast pot.\u003c\/p\u003e\n\u003cp\u003eThe powerful 7.5 kW side-channel blower provides pneumatic material transport. The freestanding CS-500 separates dust and unusable fine particles, while the integrated cartridge filter performs fine dust separation from the airflow.\u003c\/p\u003e\n\u003cp\u003eThe cleaned material is collected in the 0.3 m³ storage silo and can then be discharged in a controlled manner for reuse or disposal.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7HS therefore combines high-performance abrasive recovery with improved dust separation, flexible intermediate storage, and versatile options for subsequent material handling.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eFAQ – Frequently Asked Questions\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the VAC-7HS do?\u003c\/strong\u003e\u003cbr\u003eThe system collects used abrasive media, separates usable material from dust and unusable fractions, and stores it in a freestanding storage silo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor which abrasive media was the VAC-7HS developed?\u003c\/strong\u003e\u003cbr\u003eThe system was specifically developed for reusable mineral abrasive media with increased dust generation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VAC-7HS and the VAC-7H?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7HS additionally includes the freestanding CS-500 dust pre-separator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VAC-7HS and the VAC-7S?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7S has a storage container mounted directly on the blast pot with automatic refilling. The VAC-7HS has a freestanding storage silo with manual material discharge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the storage silo capacity?\u003c\/strong\u003e\u003cbr\u003eThe freestanding storage silo has a volume of 0.3 m³.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the CS-500 do?\u003c\/strong\u003e\u003cbr\u003eThe CS-500 separates dust, fine particles, and unusable fractions from the recovered abrasive media and thereby reduces the load on the main 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a blast pot refilled automatically?\u003c\/strong\u003e\u003cbr\u003eNo. Material is discharged manually through the storage silo's shut-off valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the recovered material be reused?\u003c\/strong\u003e\u003cbr\u003eYes. Suitable abrasive media can be discharged from the storage silo into a blast pot or material container in a controlled manner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7HS be used for disposal?\u003c\/strong\u003e\u003cbr\u003eYes. Material that can no longer be used can be discharged from the storage silo into a suitable big bag station.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a big bag station included?\u003c\/strong\u003e\u003cbr\u003eNo. A suitable big bag holder or filling station must be provided separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a blast pot included?\u003c\/strong\u003e\u003cbr\u003eNo. A blast pot is not included.\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\u003eWhat is the maximum suction hose length?\u003c\/strong\u003e\u003cbr\u003eThe maximum intended suction hose length is 10 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much suction hose is included?\u003c\/strong\u003e\u003cbr\u003eThe complete set includes 5 meters of abrasion-resistant rubber suction hose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the suction hose inner diameter?\u003c\/strong\u003e\u003cbr\u003eThe inner diameter is 63.5 mm or 2½ inches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum grit size?\u003c\/strong\u003e\u003cbr\u003eAs a technical reference, the manufacturer specifies a maximum grit 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 abrasive media collected?\u003c\/strong\u003e\u003cbr\u003eThe used material is swept or shoveled into the floor hopper and then extracted.\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 bursts of compressed air from the pulse jet cleaning system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7HS require compressed air?\u003c\/strong\u003e\u003cbr\u003eYes. A suitable compressed air supply is required for automatic pulse jet cleaning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical 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-7HS?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies a sound pressure level of 72 dB(A).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow heavy is the system?\u003c\/strong\u003e\u003cbr\u003eThe specified system weight is approximately 565 kg. The weight of the abrasive media stored in the silo must be added.\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-7HS be retrofitted into an existing blast room?\u003c\/strong\u003e\u003cbr\u003eYes. The freestanding system concept is particularly suitable for retrofitting existing blast rooms with individual material routes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the VAC-7HS?\u003c\/strong\u003e\u003cbr\u003eThe system combines recovery of mineral abrasive media with additional dust pre-separation and flexible intermediate storage, allowing controlled reuse or disposal of the material.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"Default Title","offer_id":49033996763483,"sku":"10300510","price":13879.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/strahlmittel-rueckgewinnungssystem-vac-7-hs-contracor-10300510.jpg?v=1726585527","url":"https:\/\/strahltechnik-express.de\/en-lu\/products\/contracor-strahlmittelruckgewinnungssystem-vac-7hs-mit-lagersilo-und-staubvorabscheider-cs-500-komplettset","provider":"ABS Strahltechnik","version":"1.0","type":"link"}