{"product_id":"kaishan-krsb-50-rotary-screw-air-compressor","title":"Kaishan Compressors KRSB-50 Rotary Screw Air Compressor","description":"\u003c!-- more --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eGet 223 CFM at 115 PSI with Premium 50 HP Belt Drive Performance\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKaishan KRSB-50 rotary screw air compressor\u003c\/strong\u003e delivers industrial-grade compressed air with IE3 premium efficiency and CAGI certification.\u003c\/p\u003e\n\u003cp\u003eYou're watching your pneumatic tools perform flawlessly as \u003cstrong\u003e223 CFM\u003c\/strong\u003e of clean, dry air powers through your shop. The belt drive system runs smooth and quiet at \u003cstrong\u003e75 dBA\u003c\/strong\u003e, while the integrated aftercooler keeps your air temperature controlled for consistent performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/50-hp-rotary-screw-air-compressor-belt-drive.png?v=1775961956\" alt=\"Kaishan KRSB-50 industrial 50 hp rotary screw air compressor with belt drive system for commercial applications\" style=\"width: 100%; height: auto; border-radius: 4px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/50-hp-rotary-screw-air-compressor-belt-drive.png?v=1775961956\" alt=\"Kaishan KRSB-50 industrial 50 hp rotary screw air compressor with belt drive system for commercial applications\" style=\"width: 100%; height: auto; border-radius: 4px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; justify-content: center;\"\u003e\n\u003ch2\u003e50 HP Single Stage Belt Drive Rotary Compressor Engineering\u003c\/h2\u003e\n\u003cp\u003eThe KRSB-50 combines SKK Series airend technology with automatic belt tensioning to deliver consistent CFM output across multiple pressure configurations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKK Series Airend with 5\/6 Rotor Profile\u003c\/strong\u003e — inefficient compression → KAPP Grinder rotor technology maximizes air output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% SKF Bearings\u003c\/strong\u003e — premature bearing failure → industrial-grade SKF components ensure 50,000+ hour service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Belt Tensioning\u003c\/strong\u003e — manual belt adjustments → self-adjusting system maintains optimal drive efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAM-200 Digital Control Panel\u003c\/strong\u003e — guessing operating conditions → real-time monitoring with fault diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 Stainless Steel Control Tubing\u003c\/strong\u003e — corrosion and air contamination → marine-grade stainless resists moisture and chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Aftercooler with 14°F Approach\u003c\/strong\u003e — hot compressed air → dedicated cooling fan drops temperature for cleaner, drier air\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCyclonic Air Intake Filtration\u003c\/strong\u003e — dust and debris damage → large cyclonic filter protects airend from contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 40px;\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eKaishan KRSB-50 Screw Compressor Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e50 HP (37 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eMotor Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eIE3 Premium Efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eBelt Drive with Automatic Tensioning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eAirend\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eSKK Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCFM at 115 PSI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e223 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCFM at 125 PSI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e212 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCFM at 150 PSI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e190 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCFM at 175 PSI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e177 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eMaximum Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e200 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eSound Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e75 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eVoltage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e208\/230\/460V, 3-Phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eMotor Frame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eTEFC (IP54), IEC Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eMotor Insulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eClass F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eDischarge Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e1\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e100% SKF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eControl Panel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eMAM-200 Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eControl Tubing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e316 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eAir Filtration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eLarge Cyclonic Air Intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eOil Separator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eSpin-On, 3 PPM Carryover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eAftercooler\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eIntegrated with Dedicated Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eApproach Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e14°F (10°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eBase Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e2,315 lbs (1,051 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eBase Dimensions (L×W×H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e55 × 43 × 66 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eCAGI, UL, ASME\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\n\u003cp\u003eThe KRSB-50 is available in \u003cstrong\u003e115, 125, 150, 175, 190, and 200 PSI\u003c\/strong\u003e configurations. Optional \u003cstrong\u003eTank Mount\u003c\/strong\u003e, \u003cstrong\u003eIntegrated Dryer\u003c\/strong\u003e, and \u003cstrong\u003eTank + Dryer\u003c\/strong\u003e packages available. \u003c\/p\u003e\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 10px; margin-bottom: 12px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/KRSB_Web.pdf?v=1775948812\"\u003eKRSB Web Brochure\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 10px; margin-bottom: 12px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/KRSB_50.pdf?v=1775960476\"\u003eKRSB-50 Technical Data Sheet\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 10px; margin-bottom: 12px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/KRSB_40_50_Base.pdf?v=1775960464\"\u003eKRSB 40\/50 Base Unit Specifications\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003eFor complete specifications, download the technical data sheet above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKaishan KRSB Belt Drive Rotary Compressor Video\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center; padding: 30px 0; margin-bottom: 40px;\"\u003e\n\u003ch2\u003eGet Your Kaishan KRSB-50 Shipped to Your Door\u003c\/h2\u003e\n\u003cp\u003eHit the Buy Now button and we'll ship your \u003cstrong\u003e223 CFM rotary screw air compressor\u003c\/strong\u003e freight from Loxley, AL in 3-5 business days.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Kaishan Compressors","offers":[{"title":"115 PSI \/ 208V","offer_id":50780325151006,"sku":"KRSB-050A1F8S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"115 PSI \/ 230V","offer_id":50780325183774,"sku":"KRSB-050A1F2S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"115 PSI \/ 460V","offer_id":50780325216542,"sku":"KRSB-050A1F4S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"125 PSI \/ 208V","offer_id":50780325249310,"sku":"KRSB-050A2F8S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"125 PSI \/ 230V","offer_id":50780325282078,"sku":"KRSB-050A2F2S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"125 PSI \/ 460V","offer_id":50780325314846,"sku":"KRSB-050A2F4S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"150 PSI \/ 208V","offer_id":50780325347614,"sku":"KRSB-050A3F8S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"150 PSI \/ 230V","offer_id":50780325380382,"sku":"KRSB-050A3F2S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"150 PSI \/ 460V","offer_id":50780325413150,"sku":"KRSB-050A3F4S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"175 PSI \/ 208V","offer_id":50780325445918,"sku":"KRSB-050A4F8S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"175 PSI \/ 230V","offer_id":50780325478686,"sku":"KRSB-050A4F2S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"175 PSI \/ 460V","offer_id":50780325511454,"sku":"KRSB-050A4F4S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"190 PSI \/ 460V","offer_id":50780325544222,"sku":"KRSB-050A5F4S8U","price":21887.0,"currency_code":"USD","in_stock":true},{"title":"200 PSI \/ 460V","offer_id":50780325576990,"sku":"KRSB-050A6F4S8U","price":21887.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3629\/4686\/files\/50-hp-rotary-screw-air-compressor-belt-drive.png?v=1775961956","url":"https:\/\/aircompressorzone.com\/products\/kaishan-krsb-50-rotary-screw-air-compressor","provider":"Air Compressor Zone","version":"1.0","type":"link"}