{"product_id":"contracor-strahlmittelruckgewinnungssystem-vac-7h-mit-lagersilo-komplettset","title":"VAC-7H Abrasive Recovery System with Storage Silo, Complete Set","description":"\u003ch5\u003eContracor VAC-7H – High-Performance Abrasive Recovery System with Freestanding 0.3 m³ Storage Silo\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eContracor VAC-7H abrasive recovery system with storage silo\u003c\/strong\u003e is a high-performance, electrically powered vacuum recovery system for collecting, conveying, and temporarily storing used abrasive media. The system draws the collected material from the blast room, transports it to the recovery unit, and stores it in a freestanding storage silo with a volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike VAC versions mounted directly on the blast pot, the VAC-7H has a separately installed storage silo. This allows the recovered abrasive media to be collected independently of the blast pot and processed further as required. Via the manually operated shut-off valve, the material can either be refilled into a blast pot for reuse or discharged into a big bag for disposal.\u003c\/p\u003e\n\u003cp\u003eWith a powerful \u003cstrong\u003e7.5 kW\u003c\/strong\u003e side-channel blower, a recovery capacity of up to \u003cstrong\u003e4 metric tons per hour\u003c\/strong\u003e, and a maximum suction distance of \u003cstrong\u003e10 meters\u003c\/strong\u003e, the VAC-7H is suitable for professional stationary blast rooms and applications requiring flexible intermediate storage of recovered material.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eYour Benefits at a Glance\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✅ High-performance electric abrasive recovery system\u003c\/li\u003e\n\u003cli\u003e✅ Freestanding storage silo with 0.3 m³ volume\u003c\/li\u003e\n\u003cli\u003e✅ Flexible intermediate storage of recovered abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Recovery capacity of up to 4 metric tons per hour\u003c\/li\u003e\n\u003cli\u003e✅ High-performance 7.5 kW side-channel blower\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✅ 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 filling a big bag\u003c\/li\u003e\n\u003cli\u003e✅ Reduced manual transport and cleaning work\u003c\/li\u003e\n\u003cli\u003e✅ Reduced consumption of new abrasive media\u003c\/li\u003e\n\u003cli\u003e✅ Reduced volume of material requiring disposal\u003c\/li\u003e\n\u003cli\u003e✅ Suitable for retrofitting existing blasting systems\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-7H vacuum abrasive recovery system\u003c\/li\u003e\n\u003cli\u003eHigh-performance 7.5 kW electric side-channel blower\u003c\/li\u003e\n\u003cli\u003eFreestanding abrasive storage silo with 0.3 m³ volume\u003c\/li\u003e\n\u003cli\u003eManual shut-off valve for controlled material discharge\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\u003eThe VAC-7H has a \u003cstrong\u003efreestanding storage silo\u003c\/strong\u003e. A blast pot is not refilled automatically; material is discharged in a controlled manner through the silo's manual shut-off valve. A blast pot and big bag holder are not included.\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-7H\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 freestanding storage silo\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\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 style=\"background: #f7f7f7;\"\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\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 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 4.0 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;\"\u003e5 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;\"\u003eSteel grit up to G40, approx. 0.30 to 0.80 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\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 style=\"background: #f7f7f7;\"\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\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 style=\"background: #f7f7f7;\"\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\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDust pre-separator\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px;\"\u003eNot included\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;\"\u003e525 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\u003ch5\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/abmessungen-strahlmittel-rueckgewinnungssystem-vac-7-h-contracor-10300500.jpg?v=1784807847\" alt=\"\"\u003e\u003c\/h5\u003e\n\u003chr\u003e\u003ch5\u003eFreestanding Storage Silo with 0.3 m³ Volume\u003c\/h5\u003e\n\u003cp\u003eThe central feature of the VAC-7H is the freestanding abrasive storage silo with a usable volume of \u003cstrong\u003e0.3 m³\u003c\/strong\u003e. Unlike systems with a storage container mounted directly above the blast pot, the recovered material is initially collected independently of the blasting system.\u003c\/p\u003e\n\u003cp\u003eThis allows abrasive media to be stored temporarily until enough material is available for refilling or disposal. The operator can decide flexibly when and where the contents of the silo are discharged.\u003c\/p\u003e\n\u003cp\u003eThe freestanding design also makes it easier to integrate the recovery system into existing blast rooms because the storage silo does not have to be mounted directly on a particular blast pot.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e🎯 Flexible system concept:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7H is particularly suitable where recovered abrasive media is to be collected, inspected, or supplied to a blast pot or disposal station at a later time.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eReuse or Disposal\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H can be used for two different tasks. Abrasive media that remains suitable for use can be discharged from the storage silo in a controlled manner into a blast pot and returned to the blasting process.\u003c\/p\u003e\n\u003cp\u003eIf the collected material can no longer be used or is to be removed from the process, the silo can alternatively discharge into a big bag. The VAC-7H can therefore serve both as a recovery system and as part of an organized disposal process.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Temporary storage of recovered abrasive media\u003c\/li\u003e\u003cli\u003e✅ Controlled refilling of a blast pot\u003c\/li\u003e\u003cli\u003e✅ Material can be discharged to different blast pots\u003c\/li\u003e\u003cli\u003e✅ Suitable for big bag filling\u003c\/li\u003e\u003cli\u003e✅ Clear separation between recovery and further processing\u003c\/li\u003e\u003cli\u003e✅ Flexible integration into operational workflows\u003c\/li\u003e\u003c\/ul\u003e\n\u003chr\u003e\u003ch5\u003eManual Material Discharge via Shut-Off Valve\u003c\/h5\u003e\n\u003cp\u003eMaterial is discharged from the 0.3 m³ storage silo via a manually operated shut-off valve. This allows the operator to control the timing and quantity of material discharge.\u003c\/p\u003e\n\u003cp\u003eFor reuse, a suitable blast pot is positioned below or at the intended discharge point. After opening the shut-off valve, the collected material falls by gravity from the silo into the blast pot.\u003c\/p\u003e\n\u003cp\u003eFor disposal, a suitable big bag holder can be positioned beneath the discharge point. The manual valve enables controlled filling and prevents unintended material discharge.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e📌 Important distinction:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eWith the VAC-7H, the blast pot is refilled \u003cstrong\u003emanually\u003c\/strong\u003e. The system has no automatic refill device mounted directly on the blast pot.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eHigh-Performance Side-Channel Blower\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H is equipped with a powerful electric side-channel blower with \u003cstrong\u003e7.5 kW\u003c\/strong\u003e drive power. It generates the vacuum required for pneumatic material transport.\u003c\/p\u003e\n\u003cp\u003eUsed abrasive media is transported from the floor hopper through the suction hose to the recovery unit and then into the freestanding storage silo. The high-performance vacuum system enables a recovery capacity of up to 4 metric tons per hour.\u003c\/p\u003e\n\u003cp\u003eActual performance depends on abrasive type and grit size, bulk density, contamination level, hose routing, and differences in elevation.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eEfficient Abrasive Recovery\u003c\/h5\u003e\n\u003cp\u003eUsed abrasive media is swept or shoveled into the floor hopper included in the package. From there, the VAC-7H draws the material through the abrasion-resistant rubber suction hose.\u003c\/p\u003e\n\u003cp\u003eThe material stream enters the recovery unit, where the conveying air and abrasive media are separated. The heavier abrasive media is collected in the storage silo while fine dust particles are carried with the airflow to the cartridge filter.\u003c\/p\u003e\n\u003cp\u003eThe recovered material remains in the silo until it is discharged via the manual shut-off valve for reuse or disposal.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eIntegrated Cartridge Filter with Pulse Jet Cleaning\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H 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 conveyed 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\u003eAutomatic cleaning reduces manual maintenance. Nevertheless, the filter cartridge must be inspected regularly and replaced when necessary depending on dust load, operating time, and condition.\u003c\/p\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 10px; padding: 15px; margin: 20px 0;\"\u003e\u003cstrong\u003e⚠️ No dust pre-separator:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe VAC-7H does not include an additional CS-500 dust pre-separator. For mineral abrasive media that generate large amounts of dust, the VAC-7HS version with additional CS-500 is intended.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eUp to 4 Metric Tons of Recovery Capacity per Hour\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H achieves a recovery capacity of up to \u003cstrong\u003e4 metric tons per hour\u003c\/strong\u003e. This makes the system suitable for professional stationary blast rooms with regular abrasive throughput.\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\u003ePerformance with other abrasive media may vary depending on particle shape, specific gravity, moisture content, and flow characteristics. Hose length, bends, and differences in elevation also affect actual conveying capacity.\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. Unnecessary bends, cross-section restrictions, and significant differences in elevation increase flow resistance and can reduce recovery performance.\u003c\/div\u003e\n\u003chr\u003e\u003ch5\u003eEconomical Abrasive Cycle\u003c\/h5\u003e\n\u003cp\u003eReusable abrasive media can pass through several working cycles depending on its characteristics and the blasting process. Without recovery, usable material is often disposed of together with dust and contaminants.\u003c\/p\u003e\n\u003cp\u003eThe VAC-7H collects used abrasive media centrally in the storage silo. From there, the portion that remains suitable for use can be discharged into a blast pot in a controlled manner.\u003c\/p\u003e\n\u003cp\u003eThis can reduce consumption of new abrasive media, disposal volume, and the manual effort required for collection and material transport.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e✅ Reduced need for new abrasive media\u003c\/li\u003e\u003cli\u003e✅ Central collection of recovered material\u003c\/li\u003e\u003cli\u003e✅ Flexible decision between reuse and disposal\u003c\/li\u003e\u003cli\u003e✅ Reduced disposal volume\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✅ Organized material storage in a freestanding silo\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 floor is swept or shoveled into the hopper and then automatically extracted.\u003c\/p\u003e\n\u003cp\u003eThe integrated grating traps larger foreign objects before they can enter the suction hose and downstream components. This protects the suction line, vacuum unit, and storage silo from coarse contamination.\u003c\/p\u003e\n\u003cp\u003eThis collection method allows a recovery system to be retrofitted without installing a full-area mechanical or pneumatic floor conveyor.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eSuitable Abrasive Media\u003c\/h5\u003e\n\u003cp\u003eThe VAC-7H is intended for suitable reusable abrasive media. As a technical size reference, the manufacturer specifies \u003cstrong\u003esteel grit up to G40, approximately 0.30 to 0.80 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eActual suitability depends not only on grit size but also on particle shape, bulk density, moisture content, contamination level, and flow characteristics.\u003c\/p\u003e\n\u003cp\u003eThe abrasive media should be dry, free-flowing, and suitable for pneumatic recovery. Damp, clumped material or material mixed with large foreign objects can impair suction 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\u003eAccording to the manufacturer, heavy and spherical abrasive media such as \u003cstrong\u003estainless steel shot\u003c\/strong\u003e are not intended for VAC recovery systems. The suitability of the intended abrasive should be checked before ordering.\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 abrasive media 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 when cleaning larger blast rooms. The handheld suction tube is not included in the standard VAC-7H package.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003e🔧 Applications\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eStationary blast rooms\u003c\/li\u003e\u003cli\u003eIndustrial blast rooms\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-7H. 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 total weight of approximately \u003cstrong\u003e525 kg\u003c\/strong\u003e, plus the weight of the abrasive media stored in the silo, must be taken into account when planning the installation site.\u003c\/p\u003e\n\u003cp\u003eSufficient space must be provided below or around the silo discharge point for a blast pot, material container, or suitable big bag station.\u003c\/p\u003e\n\u003cp\u003eThe storage silo should also remain easily accessible for operation, inspection, cleaning, and maintenance. The shut-off valve must be safe to operate.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eMaintenance and Care\u003c\/h5\u003e\n\u003cp\u003eRegular maintenance is essential for sustained recovery performance. In particular, the filter cartridge, pulse jet cleaning system, suction hoses, floor hopper, storage silo, and shut-off valve should be inspected regularly.\u003c\/p\u003e\n\u003cp\u003eMaterial deposits or foreign objects in the silo can obstruct emptying. The manual shut-off valve must operate smoothly and close reliably to prevent unintended material discharge.\u003c\/p\u003e\n\u003cp\u003eWear or leaks in the suction hoses reduce the generated vacuum and can significantly impair conveying performance.\u003c\/p\u003e\n\u003cul\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-7 or VAC-7H?\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-7\u003c\/th\u003e\u003cth style=\"padding: 10px; text-align: center;\"\u003eVAC-7H\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\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 4.0 t\/h\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\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\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\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\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 style=\"background: #f7f7f7;\"\u003e\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eInstallation flexibility\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eConnected to Z-200 blast pot\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003eFreestanding system concept\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; text-align: center;\"\u003e440 kg\u003c\/td\u003e\u003ctd style=\"padding: 10px; text-align: center;\"\u003e525 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThe VAC-7 is designed for an automatic material cycle connected directly to a Contracor Z-200 blast pot. The VAC-7H instead uses a freestanding storage silo, allowing more flexible intermediate storage and manual discharge into a blast pot or big bag station.\u003c\/p\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\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\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\n\u003cp\u003eThe VAC-7H is the suitable version for general recovery and intermediate storage of suitable abrasive media. For mineral abrasive media with increased dust generation, the VAC-7HS adds the CS-500 dust pre-separator.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eWhy the Contracor VAC-7H?\u003c\/h5\u003e\n\u003cp\u003eThe Contracor VAC-7H is a flexible complete solution for operators of stationary blast rooms who do not want recovered abrasive media to be returned automatically and immediately to a single blast pot.\u003c\/p\u003e\n\u003cp\u003eThe freestanding 0.3 m³ storage silo allows the material to be stored independently. Via the manual shut-off valve, the contents can then be discharged into a blast pot, material container, or big bag station as required.\u003c\/p\u003e\n\u003cp\u003eThe powerful 7.5 kW side-channel blower, integrated cartridge filter, and automatic pulse jet cleaning provide reliable pneumatic recovery and dust separation.\u003c\/p\u003e\n\u003cp\u003eWith a recovery capacity of up to 4 metric tons per hour, the VAC-7H is suitable for professional blasting operations requiring high performance, flexible material routes, and storage independent of the blast pot.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eFAQ – Frequently Asked Questions\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the VAC-7H do?\u003c\/strong\u003e\u003cbr\u003eThe VAC-7H collects used abrasive media, conveys it to the recovery unit, and stores it in a freestanding storage silo.\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 H in VAC-7H indicate?\u003c\/strong\u003e\u003cbr\u003eIt identifies the version with a freestanding storage silo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 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 abrasive media be reused?\u003c\/strong\u003e\u003cbr\u003eYes. Suitable material can be transferred from the storage silo into a blast pot and used for further blasting operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the VAC-7H be used for disposal?\u003c\/strong\u003e\u003cbr\u003eYes. Collected material 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 in the VAC-7H complete set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the VAC-7H only suitable for Contracor Z-200 blast pots?\u003c\/strong\u003e\u003cbr\u003eThe freestanding silo generally allows flexible material discharge. However, the technical suitability and safe connection of the intended blast pot must be checked in advance.\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 4 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 steel grit up to G40, approximately 0.30 to 0.80 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan any abrasive media be conveyed with the VAC-7H?\u003c\/strong\u003e\u003cbr\u003eNo. Suitability depends on particle shape, specific gravity, grit size, moisture content, and flow characteristics. Heavy and spherical media are not intended according to the manufacturer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7H have a cascade cleaner?\u003c\/strong\u003e\u003cbr\u003eNo. The VAC-7H has a freestanding storage silo but no cascade cleaner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the VAC-7H include a CS-500 dust pre-separator?\u003c\/strong\u003e\u003cbr\u003eNo. The CS-500 is included with the VAC-7HS version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is dust separated?\u003c\/strong\u003e\u003cbr\u003eFine dust particles are captured by the integrated cartridge filter with polyester filter medium.\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-7H 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 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-7H?\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 525 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-7H be retrofitted into an existing blast room?\u003c\/strong\u003e\u003cbr\u003eYes. The freestanding storage silo makes the system particularly suitable for retrofitting existing blast rooms with individual material routes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the freestanding storage silo?\u003c\/strong\u003e\u003cbr\u003eIt allows recovered abrasive media to be collected and stored independently so that the material can be discharged later, in a controlled and flexible manner, for reuse or disposal.\u003c\/p\u003e","brand":"Contracor","offers":[{"title":"Default Title","offer_id":49033923101019,"sku":"10300500","price":92855.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/strahlmittel-rueckgewinnungssystem-vac-7-h-contracor-10300500.jpg?v=1726585190","url":"https:\/\/strahltechnik-express.de\/en-dk\/products\/contracor-strahlmittelruckgewinnungssystem-vac-7h-mit-lagersilo-komplettset","provider":"ABS Strahltechnik","version":"1.0","type":"link"}