Vacuum Purge Valves

Provider of vacuum sewage collection technology for municipalities and small communities. Vacuum interface valves, valve pit packages, vacuum station skids and vacuum toilets.

Manufacturer of various vacuum components in China including vacuum flanges and fittings, valves, turbomolecular pumps and custom vacuum chambers. Also supplies machining equipment.

Offers a range of vacuum, radio and electron tube, electron valve, and transistor amplifiers.

Covers valves in art, cinema and other uses, history and photos.

Manufactures solenoid valves for handling of air, vacuum, water, steam and chemicals.

A collection of pictures and information of old, unusual and unique vacuum tubes.

Designs, manufactures and markets control products including control valves, level controls, vacuum breakers, temperature recorders, and sea water regulators.

Provides pilot operated vent, pressure and vacuum relief, tank gas blanketing valves, flame arresters, regulators and fittings.

Manufacturer of high and ultra high vacuum stainless steel valves, fittings, and components for scientific and industrial use.

Manufacturers of solenoid, ball, butterfly and pinch valves; switches and timers for testing pressures, vacuum and temperatures.

Suppliers of tested, graded and guaranteed valves to the professional music industry. UK.

Manufactures various types of pressure and vacuum relief valves and gas regulators.

Manufacturer of high end tube and valve amplifier. Germany.

Manufacturer of stainless steel products including vacuum fittings, components and valves.

Manufactures venting devices for tanks. Breather valve, flame arrester, pressure/vacuum relief valve, others

High and ultra high vacuum valves, chambers and accessories. GNB is the manufacturer of the world's largest and most dependable vacuum valves, providing standard designs and custom engineering for over 30 years.

Dealers in actuators, glass, vacuum, latching and other valves.

Manufactures and stocks float, pressure reducing and vacuum relief valves; air hose fittings, double bolt clamps and air shut off valves.

Manufacturer of differential pressure and air flow switches as well as vacuum sensors, which are designed for air compressors, pumps, vacuum cleaners and HVAC systems. Based in China.

Manufacturer of vacuum systems, components and hardware for all vacuum applications including: XYZ manipulators, sample handling devices, motor controllers, valves, feedthroughs, gauges and controls, and flanges.

T Sequencing Valves

External Line Valves

External Proportional Valve

External proportioning valves are used as a material line selector at the receiver inlet, typically in regrind proportioning applications. The EPV can also be used for purging material lines to prevent build-up and plugging of the material lines.