{"product_id":"mastercool-90612-2v-110-bl-black-series-12-cfm-two-stage-vacuum-pump","title":"Mastercool 90612 Black Series 12 CFM 2-Stage Vacuum Pump for R32 R410A HVAC","description":"\u003ch2\u003eBlack Series™ 12 CFM Two-Stage Vacuum Pump — Stands Up to the Most Gruelling Conditions\u003c\/h2\u003e\u003cp\u003eMastercool's Black Series vacuum pumps are durable and time-tested to stand up to the most gruelling conditions and will provide years of reliable service. The 90612-2V-110-BL delivers professional-grade performance with 12 CFM capacity, 1 HP motor, and deep vacuum capability to 15 microns. This two-stage vacuum pump provides the power and mobility necessary for a wide variety of HVAC\/R and automotive A\/C applications.\u003c\/p\u003e\u003ch3\u003eBlack Series™ Premium Engineering\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefined Cartridge Machining:\u003c\/strong\u003e Improved surface finish extends pump life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpanded Internal Oil Path:\u003c\/strong\u003e Creates less friction and ultimately less heat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded Seals:\u003c\/strong\u003e Ensure maximum vacuum performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eU.S. Designed and Tested:\u003c\/strong\u003e Engineered for professional reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Built for demanding workshop environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Grip Handle:\u003c\/strong\u003e Ergonomic design for comfortable positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Ballast Valve:\u003c\/strong\u003e Helps prevent oil contamination caused by high moisture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasily Removable Vapour Discharge\/Oil Fill Port:\u003c\/strong\u003e Simplified maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Oil Level Sight Glass:\u003c\/strong\u003e Max\/min level indicator for easy monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasily Accessible Oil Drain Valve:\u003c\/strong\u003e Quick oil changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermally Protected Motor:\u003c\/strong\u003e On\/off rocker switch with thermal protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold Valve:\u003c\/strong\u003e Isolates pump from system when testing for leaks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Inlet Ports:\u003c\/strong\u003e 1\/4\" SAE, 3\/8\" SAE, and 1\/2\" ACME for maximum flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Volume Fan:\u003c\/strong\u003e Provides cool air to motor and pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Valve:\u003c\/strong\u003e Prevents oil back-flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Fins:\u003c\/strong\u003e Keep temperature cooler during extended operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Lightweight Reinforced Base:\u003c\/strong\u003e Stable positioning during operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 90612-2V-110-BL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Black Series™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 2 (Two-stage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Air Displacement:\u003c\/strong\u003e 12 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Vacuum:\u003c\/strong\u003e 15 microns*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 1 HP, thermally protected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Speed:\u003c\/strong\u003e 1720 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e 110\/220V, 50\/60 Hz (dual voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Cable:\u003c\/strong\u003e 110V cable included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Ports:\u003c\/strong\u003e 1\/4\" SAE, 3\/8\" SAE, 1\/2\" ACME\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Capacity:\u003c\/strong\u003e 18 oz \/ 536 ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 35.5 lbs (16 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 39 x 18 x 27 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 90612-2V-110-BL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code:\u003c\/strong\u003e 84148080\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e* Please note: The micron readings on all vacuum pumps represent optimal laboratory conditions. Field conditions may vary from these readings.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhy Two-Stage Vacuum Pumps?\u003c\/h3\u003e\u003cp\u003eTwo-stage vacuum pumps provide superior performance compared to single-stage designs:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeeper Vacuum:\u003c\/strong\u003e Achieves 15 microns vs 50-100 microns for single-stage pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Evacuation:\u003c\/strong\u003e Removes air and moisture more quickly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Moisture Removal:\u003c\/strong\u003e Lower vacuum levels ensure thorough dehydration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Standard:\u003c\/strong\u003e Required for modern refrigerants and A\/C systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Thorough evacuation prevents compressor damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Compliance:\u003c\/strong\u003e Many manufacturers require deep vacuum for warranty validity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHVAC\/R system evacuation and dehydration\u003c\/li\u003e\n\u003cli\u003eAutomotive A\/C system service\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration installation and maintenance\u003c\/li\u003e\n\u003cli\u003eHeat pump installation\u003c\/li\u003e\n\u003cli\u003eRefrigerant recovery system evacuation\u003c\/li\u003e\n\u003cli\u003eLarge capacity A\/C systems\u003c\/li\u003e\n\u003cli\u003eWorkshop and mobile service operations\u003c\/li\u003e\n\u003cli\u003eProfessional HVAC\/R contractors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelated Black Series Models\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e220V Version:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/products\/90612-2v-220-bl\"\u003e90612-2V-220-BL — Black Series 12 CFM (220V)\u003c\/a\u003e\u003cul\u003e\n\u003cli\u003eStages: 2\u003c\/li\u003e\n\u003cli\u003eFree air displacement: 340 lit\/min (60 Hz), 283 lit\/min (50 Hz)\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum: 15 microns\u003c\/li\u003e\n\u003cli\u003eMotor: 1 HP\u003c\/li\u003e\n\u003cli\u003ePump speed: 1440 RPM\u003c\/li\u003e\n\u003cli\u003eElectrical specs: 110\/220V, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003ePower: 220V Schuko cable\u003c\/li\u003e\n\u003cli\u003eWeight: 35.5 lbs (16 kg)\u003c\/li\u003e\n\u003cli\u003eDimensions: 39 x 18 x 27 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWith Solenoid Valve:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/90612-2v-220svb\"\u003e90612-2V-220SVB — With Solenoid Valve \u0026amp; Vacuum Sensor\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eReplacement Parts:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/90612b-03\"\u003e90612B-03 — Replacement Cartridge (#10)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhy Choose the Black Series 90612-2V-110-BL?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Performance:\u003c\/strong\u003e 12 CFM capacity handles large systems efficiently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Vacuum:\u003c\/strong\u003e 15 micron capability ensures thorough evacuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Stage Design:\u003c\/strong\u003e Superior performance to single-stage pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Voltage:\u003c\/strong\u003e 110V\/220V flexibility (110V cable included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Quality:\u003c\/strong\u003e Black Series construction for workshop reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Oil Capacity:\u003c\/strong\u003e 18 oz \/ 536 ml for extended operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Ballast Valve:\u003c\/strong\u003e Protects oil when evacuating moist systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Inlet Ports:\u003c\/strong\u003e 1\/4\" SAE, 3\/8\" SAE, 1\/2\" ACME for versatility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold Valve:\u003c\/strong\u003e Isolates pump for leak testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermally Protected Motor:\u003c\/strong\u003e Prevents overheating damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Features:\u003c\/strong\u003e High-volume fan and cooling fins for extended operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Grade:\u003c\/strong\u003e Built for daily workshop use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Reliability:\u003c\/strong\u003e Mastercool quality and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional HVAC\/R contractors\u003c\/li\u003e\n\u003cli\u003eAutomotive A\/C specialists\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration installers\u003c\/li\u003e\n\u003cli\u003eWorkshop and service centres\u003c\/li\u003e\n\u003cli\u003eMobile service operations\u003c\/li\u003e\n\u003cli\u003eFleet maintenance facilities\u003c\/li\u003e\n\u003cli\u003eTechnicians requiring deep vacuum capability\u003c\/li\u003e\n\u003cli\u003eHigh-volume service operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOperation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eCheck oil level in sight glass before operation (max\/min indicator)\u003c\/li\u003e\n\u003cli\u003eConnect vacuum pump to system via appropriate inlet port (1\/4\", 3\/8\" SAE, or 1\/2\" ACME)\u003c\/li\u003e\n\u003cli\u003eEnsure all system valves are open for evacuation\u003c\/li\u003e\n\u003cli\u003eStart vacuum pump using on\/off rocker switch\u003c\/li\u003e\n\u003cli\u003eOpen gas ballast valve if evacuating moist systems\u003c\/li\u003e\n\u003cli\u003eContinue evacuation until system reaches target vacuum (typically 500 microns or lower)\u003c\/li\u003e\n\u003cli\u003eUse manifold valve to isolate pump and monitor for vacuum decay (leak test)\u003c\/li\u003e\n\u003cli\u003eIf vacuum holds, system is ready for charging\u003c\/li\u003e\n\u003cli\u003eClose gas ballast valve and shut down pump\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Changes:\u003c\/strong\u003e Change oil regularly based on usage (every 10-20 hours for heavy use)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Level:\u003c\/strong\u003e Check sight glass before each use (max\/min indicator)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Condition:\u003c\/strong\u003e Replace oil if it appears milky or contaminated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Capacity:\u003c\/strong\u003e 18 oz \/ 536 ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Ballast:\u003c\/strong\u003e Use when evacuating moist systems to protect oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Drain:\u003c\/strong\u003e Use easily accessible drain valve for quick changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in clean, dry environment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Keep inlet and exhaust ports clean and free from debris\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Protection:\u003c\/strong\u003e Allow motor to cool if thermal protection activates\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAchieving Deep Vacuum\u003c\/h3\u003e\u003cp\u003eTo achieve and maintain deep vacuum (15 microns):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse properly sized vacuum hoses (3\/8\" or larger recommended)\u003c\/li\u003e\n\u003cli\u003eKeep hose lengths as short as practical\u003c\/li\u003e\n\u003cli\u003eEnsure all connections are tight and leak-free\u003c\/li\u003e\n\u003cli\u003eUse a micron gauge to verify vacuum level\u003c\/li\u003e\n\u003cli\u003eAllow sufficient evacuation time for system size\u003c\/li\u003e\n\u003cli\u003eMaintain clean, fresh vacuum pump oil\u003c\/li\u003e\n\u003cli\u003eUse gas ballast valve when evacuating moist systems\u003c\/li\u003e\n\u003cli\u003eMonitor oil level in sight glass regularly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Deep Vacuum Matters\u003c\/h3\u003e\u003cp\u003eAchieving deep vacuum (below 500 microns) is essential for modern HVAC\/R systems:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Removal:\u003c\/strong\u003e Water boils at lower temperatures under vacuum, allowing thorough dehydration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Moisture causes acid formation, corrosion, and compressor damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Air and moisture reduce system efficiency and cooling capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant Purity:\u003c\/strong\u003e Non-condensables contaminate refrigerant and reduce performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Compliance:\u003c\/strong\u003e Many manufacturers require deep vacuum for warranty validity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Standard:\u003c\/strong\u003e Industry best practice for quality installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDual Voltage Capability\u003c\/h3\u003e\u003cp\u003eThe 90612-2V-110-BL features dual voltage capability (110V\/220V), providing flexibility for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInternational use in different voltage regions\u003c\/li\u003e\n\u003cli\u003eWorkshop environments with multiple power sources\u003c\/li\u003e\n\u003cli\u003eMobile service operations with varying power availability\u003c\/li\u003e\n\u003cli\u003eFuture-proofing for workshop changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSupplied with 110V cable. Voltage selection typically via internal switch - consult user manual for switching procedure.\u003c\/p\u003e\u003ch3\u003eManifold Valve System\u003c\/h3\u003e\u003cp\u003eThe integrated manifold valve allows you to isolate the pump from the system during leak testing, enabling accurate vacuum decay monitoring without shutting down the pump. Three inlet ports (1\/4\" SAE, 3\/8\" SAE, 1\/2\" ACME) provide maximum connection flexibility for different hose sizes and applications.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Mastercool Black Series vacuum pumps are built to professional standards for reliable, high-performance evacuation in demanding HVAC\/R and automotive workshop environments. Two-stage design delivers deep vacuum capability essential for modern refrigerant systems. Stands up to the most gruelling conditions.\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57165684015481,"sku":"90612-2V-110-BL","price":599.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/90612-2V-110-BL-web.jpg?v=1777449703","url":"https:\/\/www.airconspares.com\/products\/mastercool-90612-2v-110-bl-black-series-12-cfm-two-stage-vacuum-pump","provider":"Airconspares.com","version":"1.0","type":"link"}