Piston pumps are used for most large scale vacuum applications. These pumps have a sliding sleeve through which the gas enters, then drawn into a cylindrical chamber and exhausted by a rocking piston plunger. These pumps are very hardy and have pumping speeds that range from 15 cfm to 2,000 cfm and the pumps can reach a pressure of 1 x 10-4 Torr. Rotary piston pumps can be prepared for corrosive and oxygen service.
NMRV Gearbox
As one of the leading worm gearboxes manufacturers, suppliers, and exporters, we supply NMRV gearboxes and many other types.
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Manufacturer, supplier, and exporter of NMRV Gearboxes.