Rotary sheer valve with wash and purge station

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing

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Details

134166C, 134169C, 13762511, 13762541, 13762546, 222148, B08B 302, B08B 902

Patent

active

045400156

ABSTRACT:
A shear valve obtaining selective fluidic communication between fluid ports formed in a first member and fluid ports formed in a second member comprises a first seal with means for providing a fluidic seal between aligned ports and which separates the first and second members to form a passage, and a second sealing means to obtain a fluidic seal between the first and second members and enclose the passage. A fluid port is provided to introduce wash solution into the passage formed between the first and second members and a drain port is provided to remove the wash solution introduced between the first and second members, so that a wash and purge operation may be performed to cleanse the sealing surfaces of the valve.

REFERENCES:
patent: 2911008 (1959-11-01), Du Bois
patent: 3114393 (1963-12-01), Vlasic
patent: 3186434 (1965-06-01), Hrdina
patent: 3246667 (1966-04-01), Pemberton
patent: 3451428 (1969-06-01), Pruett
patent: 3707991 (1973-01-01), Shapiro
patent: 3752167 (1973-08-01), Makabe
patent: 4156437 (1979-05-01), Chivens et al.
patent: 4310022 (1982-01-01), Cohen

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