Heidolph Hei-VAC Diaphragm Vacuum Pump

A preparative medium pressure liquid chromatography pump equipped with a 160ml piston head.

Leybold Sogevac SV200 Single Stage Rotary Vane Vacuum Pump Lab This was removed from a university la (more)b where it was surplus to requirements. The unit has been professionally serviced and is in full working order at 2 x 10 m/bar. It is in excellent cosmetic condition.

KNF UN816.3KT.45P IP20-T Diaphragm Pump Ultimate Vacuum 20 mbar (abs.) Maximum Flow Rate 16L/min (1 (more).8 m3/h) Protection Class IP20 Features - Small footprint - Clean, 100% oil-free operation - Corrosion-resistant - Vacuum gauge and regulator for simple, convenient control - Compact, quiet and reliable - Can handle wet vapors without damage - Maintenance-free TheKNF UN816.3KT.45P IP20-T Diaphragm Pump isa single-head, dry-running device used in a wide range of laboratoryapplications. They transfer, compress and pump down without contamination. Theheart of these very compact pumps is a KNF structured diaphragm. This patenteddiaphragm was stress-optimized using the Finite Elements method. As a result,KNF was able to make the pump smaller while increasing the service life of thediaphragm. This pump is 115V. INCLUDED: The KNF UN816.3KT.45P IP20-T Diaphragm Pump includes: - Power Cord - Operator's Guide - Manufacturer's Documentation - 1 Year Manufacturer's Warranty

KNF LABOPORT N 820 G Diaphragm Pump Ultimate Vacuum 6 mbar Maximum Flow Rate 20L/min (1.2 m3/h) Pro (more)tection Class IP30 Features - 100% oil-free transfer – thereby pure transferring, evacuation and compression of gases - High level of vapor and condensate compatibility - Ideal for extremely aggressive/corrosive gases and vapors - ATEX compliant according to II 2/-G IIB+H2 T3 internal atmosphere only - Integrated gas ballast valve - Separators and/or condensers can be purchased individually at any time and easily fitted, enabling users to build their own customized vacuum system - 3-color status display for in operation, stand-by, and error - Integrated rotational speed control - Environmentally friendly - Start against ultimate vacuum of the pump The KNF LABOPORT N 820 G Diaphragm Pump is an exceptional choice for laboratory applications, boasting a chemically resistant, compact design. This oil-free pump ensures pure transferring, evacuation, and compression of gases, thanks to its 100% oil-free operation. It is especially suitable for handling extremely aggressive or corrosive gases and vapors, highlighting its high vapor and condensate compatibility. The pump features manual speed control, allowing users to tailor the pump capacity to specific needs, and an integrated gas ballast valve for enhanced performance. Constructed with PTFE/TFM heads, PTFE-coated diaphragms, and FFPM valves, it ensures durability and reliability in demanding environments. Additionally, the pump is ATEX compliant for internal atmospheres, ensuring safety in hazardous conditions. It offers the flexibility to add separators and/or condensers individually, allowing users to customize their vacuum systems. The 3-color status display indicates operation, stand-by, and error modes, while the integrated rotational speed control adds to its user-friendliness. The pump's ability to start against the ultimate vacuum and its environmentally friendly design further enhance its appeal for a wide range of laboratory applications. INCLUDED: The KNF LABOPORT N 820 G Diaphragm Pump includes: - Power Cord - Operator's Manual - Manufacturer's Documentation - 2 Year Manufacturer's Warranty

Heidolph Multi-Channel Pump Head C4 Features: - Accepts 4 cassettes small - 8 rollers for low pulsat (more)ion - Increase your throughput by running up to 12 cassettes small on one single pump drive and pump head system - Separate metering into multiple vessels with different feed rates in a single operation by using different tubing dimensions to adjust flow rate - Save time: tubing change is done in just seconds - Change your cassettes easily, even during operation – there are no restrictions - Cassette adjustments and changes are simple, just click in place - No additional purchase of a pump drive needed: upgrade your single-channel pump drive with just one adaptor for multi-channel use and pick the head/cassette configuration that matches your application needs These pump drives can be configured for multi-channel use: - Hei-FLOW Core 120 - Hei-FLOW Expert 120 - Hei-FLOW Ultimate 120 INCLUDED: The Heidolph Multi-Channel Pump Head C4 includes: - 3 Year Manufacturer's Warranty

Gilson MINIPULS 3 Pump (Drive Unit) w/ Selectable High Flow Peristaltic Pump HeadFeatures - Utilizes (more) positive displacement pump technology that allows liquid to flow nearly pulse free as a result of ten stainless steel rollers - Produces smooth flows with excellent accuracy and precision, even at high flow rates - Interchangable heads allow for an array of possible applications - Easy to operate, install, and maintain due to simplistic functionality - All control buttons are readily accessible and intuitive to use - Small lab footprint and with a weight of only 5.5 pounds, makes the Minipuls 3 exceptionally portable. - Has a maximum flow range of 30 mL/min for standard models and 220 mL/min for high flow models - Remote start and stop possible The compact MINIPULS® 3 is a high-performance, low-pulse, peristaltic pump with interchangeable pump heads for delivering a diverse variety of liquids—from biological to chemical—without altering the critical components within the liquid. Six different channel and flow rate configurations are available.Pulse-free Liquid TransferUtilizing positive displacement pump technology, liquid flows nearly pulse-free as a result of as many as ten stainless steel rollers. The MINIPULS 3 produces smoother flows with excellent accuracy and precision, even at high flow rates. Its adjustable speed stepper motor and high-quality precision bore tubing assure reproducible flow rates.Flow Rates to Meet Your NeedsWith a choice of six quickly interchangeable pump heads, you’ll have a wide range of flow rates to use for your applications. • Four standard models (1, 2, 4, or 8 channels): 0.3 μL/min to 30 mL/min • Two high flow models (2 or 4 channels): 1 mL/min to 220 mL/minEasy to OperateGilson MINIPULS 3 is easy to install, simple to operate, and easy to maintain. With an uncomplicated keypad control and easy-to-read LCD screen, access functions for start/stop, flow direction, increase/decrease flow rate, and prime. Remote control is also possible.INCLUDED: The Gilson MINIPULS 3 Pump (Drive Unit) w/ Selectable High Flow Peristaltic Pump Head includes: - Selected High Flow Peristaltic Pump Head - Operator's Guide - Manufacturer's Documentation - 1 Year Manufacturer's Warranty