Valves and valve actuation – Valve – Bodies
Patent
1983-11-28
1985-03-19
Chambers, A. Michael
Valves and valve actuation
Valve
Bodies
291571R, 251318, B23P 1500
Patent
active
045054541
ABSTRACT:
For providing a minimum dimension and material consumption relative to the respective nominal width and optimal strength and flow conditions, an intermediate housing part of a check valve is composed of two semispherical shell halves connected by beam welding along a plane extending transverse to a throughflow axis, the shell halves include hollow connecting pieces and also half rings of a cover flange formed an upper housing opening, the intersecting point of the separating plane with the throughflow axis forms a sphere center of the intermediate housing part, a third part is formed by a pipe bend which has a truncated-cone-shaped chamfered end portion with which it is introduced into a respective inner conical bore from the supply side of the intermediate housing part and welded by an electron beam and which carries at its end opposite to the upper housing opening a valve seat ring, wherein the center of a spherical deflecting portion of the pipe bend at least approximately coincides with the center of the spherical intermediate housing part.
REFERENCES:
patent: 940239 (1909-11-01), Dikkers
patent: 2344041 (1944-03-01), Hoke et al.
patent: 2418447 (1947-04-01), Arbogast
patent: 3473785 (1969-10-01), Siepmann
patent: 3756560 (1973-09-01), Siepmann
patent: 3975810 (1976-08-01), Siepmann
patent: 4243204 (1981-01-01), Siepmann
Chambers A. Michael
Siepmann-Werke GmbH & Co. KG
Striker Michael J.
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