{"product_id":"edwards-e1m18-single-stage-rotary-vane-vacuum-pump-12-1-cfm-a34317984","title":"Edwards E1M18 Single Stage Rotary Vane Vacuum Pump – 12.1 CFM (A34317984)","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eEdwards E1M18\u003c\/strong\u003e (part number \u003cstrong\u003eA34317984\u003c\/strong\u003e) is a robust single-stage oil-sealed rotary vane vacuum pump from the renowned EM series. Designed for laboratory and light industrial applications, it delivers reliable performance with high pumping speeds, quiet operation, and excellent vapor handling capabilities.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis direct-drive pump is ideal for applications requiring fast roughing and a good ultimate vacuum, such as mass spectrometry, freeze drying, vacuum ovens, refrigeration service, vacuum coating, and general laboratory vacuum processes. The E1M18 features a pressurized oil lubrication system that ensures long-term reliability and protects internal components.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Edwards_E1M18_vacuum_pump_flyer.png?v=1778180874\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e \u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eSingle-stage rotary vane design offering rapid pumping speed and high roughing performance\u003c\/li\u003e\n\u003cli\u003eQuiet operation at just 57 dB(A) — suitable for laboratory environments\u003c\/li\u003e\n\u003cli\u003eExcellent water vapor handling with gas ballast control\u003c\/li\u003e\n\u003cli\u003eDual-voltage single-phase motor (115\/200-230V, 50\/60 Hz) with IEC60320 connector, factory set to 230V for easy installation\u003c\/li\u003e\n\u003cli\u003eCompact, freestanding unit with flexible coupling drive\u003c\/li\u003e\n\u003cli\u003eSupplied complete with Ultragrade 19 oil, NW25 O-ring, and centering ring\u003c\/li\u003e\n\u003cli\u003eThermal overload protection for added safety\u003c\/li\u003e\n\u003cli\u003eLong service intervals and easy maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003ePumping Speed (60 Hz, Pneurop)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e12.1 CFM \/ 20.4 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eDisplacement (60 Hz)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e14.7 CFM \/ 25.0 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eUltimate Vacuum (without gas ballast, total pressure)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e3 × 10⁻² mbar \/ 2.2 × 10⁻² Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eUltimate Vacuum (with gas ballast)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e6.5 × 10⁻¹ mbar \/ 4.8 × 10⁻¹ Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eMotor Power (60 Hz)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e0.75 kW \/ 1 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eVoltage \/ Frequency\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e115\/200-230V, 1-phase, 50\/60 Hz (factory set to 230V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e57 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eInlet Flange\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eNW25 (KF25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eOutlet Connection\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e15 mm external diameter nozzle (removable from 3\/4\" BSP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eMax Water Vapor Pumping Rate\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e0.65 kg\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eOil Capacity (max \/ min)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e1.4 L \/ 0.9 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eRecommended Oil\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eUltragrade 19 (supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e37 kg \/ 82 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e13–40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003ePower Connector\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eIEC EN60320 C19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"height: 1px; width: 757px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eWhy Choose the Edwards E1M18?\u003c\/strong\u003e The EM series pumps are industry-standard for their balance of performance, reliability, and ease of use. The single-stage E1M18 provides faster pumping speeds compared to two-stage models in the rough vacuum range, making it an excellent choice when high throughput is more important than ultra-low ultimate pressure. It handles moderate vapor loads effectively thanks to the adjustable gas ballast.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eAnalytical instruments (mass specs, electron microscopes)\u003c\/li\u003e\n\u003cli\u003eFreeze dryers and vacuum ovens\u003c\/li\u003e\n\u003cli\u003eRefrigeration and air conditioning service\u003c\/li\u003e\n\u003cli\u003eLight industrial processes and vacuum coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eEdwards E1M18 Rotary Vane Vacuum Pump (A34317984)\u003c\/li\u003e\n\u003cli\u003eUltragrade 19 vacuum pump oil\u003c\/li\u003e\n\u003cli\u003eNW25 centering ring and O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis Edwards E1M18 single stage rotary vane vacuum pump combines proven Edwards engineering with practical features that deliver consistent, dependable vacuum performance day after day.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":8346324037,"sku":"A34317984","price":4418.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/edwards-e1m18-single-stage-rotary-vane-vacuum-pump-12-1-cfm-a34317984-76026806368.jpg?v=1779796803","url":"https:\/\/www.chemtechsci.com\/products\/edwards-e1m18-single-stage-rotary-vane-vacuum-pump-12-1-cfm-a34317984","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}