Valve and method of making same

Details Valve and method of making same Valve and method of making same

1985-12-23

1987-12-29

Chambers, A. Michael

Fluid handling

With heating or cooling of the system

With electric heating element

137340, 251308, F16K 4900, F16K 122

Patent

active

047154004

ABSTRACT:
A fluid control valve and method of making same are provided wherein such valve comprises a valve body structure having a fluid flow passage therethrough and a first sealing surface and a closure structure for controlling fluid flow through the passage with the closure structure having a second sealing surface adapted to engage the first sealing surface to shut off fluid flow through the valve and wherein such valves comprises a substantially annular heat exchange device comprising at least one of the structures and being disposed immediately adjacent the sealing surface thereof for controlling the temperature of at least one of the sealing surfaces.

REFERENCES:
patent: 3028874 (1962-04-01), Burkett
patent: 3580267 (1971-05-01), Baker
patent: 4161959 (1979-07-01), Jansen et al.
patent: 4353388 (1982-10-01), Isoyama et al.
patent: 4380246 (1983-04-01), Casale et al.
patent: 4392509 (1983-07-01), Siddall
patent: 4402337 (1983-09-01), Schuurman
patent: 4559967 (1985-12-01), Gardner et al.

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