Vacuum/Pressure Pumps

One Gallon Vacuum Chamber – Nalgene®

This vacuum chamber consists of an unbreakable polycarbonate bell jar with polypropylene vacuum plate with 1/4" tubing connection at the rim. Connects to any convenient vacuum source or a mechanical pump. Will withstand full vacuum. DO NOT AUTOCLAVE... More.

Hand-Operated Vacuum Pump

This pump attains and holds a vacuum of 25" of mercury with just a few squeezes of the handle. Comes equipped with a gauge to monitor vacuum in both centimeters and inches of mercury. Has a pumping rate of 15 ml per stroke and gives 3 psi positive p... More.

High-Vacuum Pump Oil

Suitable for mechanical high-vacuum pumps. Low vapor pressure. More.

Aspirator Filter Pump

Recommended for vacuum filtrations. Operates efficiently on both high and low water pressure. A ball type positive acting valve in the suction tube prevents backflow. Nickel plated with serrated tail and side arm. Water inlet: 3/8" IPS tapered. 3... More.

Laboratory High Vacuum Pump

This direct drive pump evacuates bell jars to the pressure needed for all vacuum experiments, including boiling water at room temperature. Comes ready to operate. Two stage pump produces 1-micron ultimate pressure. Rotary sliding vane provides free ... More.

Vacuum Pump Plate

Accommodates jars up to 9" in diameter. Fabricated from 1/2" steel plate for strength, and surface ground flat to provide a good seal. Nickel-plated for corrosion resistance. Comes complete with a barbed hose connection, vacuum release valve... More.

Bell Jar and Vacuum Set

This apparatus allows for a number of impressive demonstrations regarding vacuum and air pressure. Clearly shows the method by which a pump works. Demonstrates that air has mass and how to find the mass and density of an air sample. Shows that a sealed ... More.

Laboratory High Vacuum Pump with Gauge

This direct drive pump evacuates bell jars to the pressure needed for all vacuum experiments, including boiling water at room temperature. Comes ready to operate. Two stage pump produces 1-micron ultimate pressure. Rotary sliding vane provides free ... More.

Economy Vacuum/Pressure Pump with Gauges

Quiet running, diaphragm-type pump requires no oil. Direct drive comes completely assembled with a pressure gauge in psi and bars, and a vacuum gauge in inches and millimeters for mercury. Maximum pressure: 3102 mm of mercury. Maximum vacuum: 200 mi... More.