Metering valve

Details Metering valve Metering valve

1980-03-10

1981-08-11

Rosenthal, Arnold

Valves and valve actuation

With selective flow regulation

251274, 251335B, F16K 4704

Patent

active

042830419

ABSTRACT:
A metering valve for regulating a gas flow rate comprises a valve body having first and second inner chambers. A transverse wall portion is disposed between the first and second inner chambers and has a passageway extending therethrough to provide communication between the first and second inner chambers. Inlet and outlet ports are located in the valve body and are in communication with the first and second inner chambers, respectively. A valve seat is disposed in the passageway and has a cylindrical orifice extending therethrough. A valve stem having a groove thereon cooperates with the valve seat whereby axial movement of the stem regulates the gas flow rate between the first and second chambers. A torque reduction structure is provided for decreasing the torque required to move the valve stem whereby precise settings of the gas flow rate can be achieved.

REFERENCES:
patent: 2899980 (1959-08-01), Loebel et al.
patent: 3139262 (1964-06-01), Morris et al.
patent: 4214730 (1980-07-01), Baumann

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