Double seat valve with a controlled leakage cavity

Details Double seat valve with a controlled leakage cavity Double seat valve with a controlled leakage cavity

1996-08-15

1998-07-07

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

1510416, 137240, 137312, 13761417, 13761418, 13761419, 134166C, F16K 1120, B08B 902, B08B 906

Patent

active

057753636

ABSTRACT:
The invention relates to a double seat valve with a controlled leakage cavity according to the preamble of claim 1. It is an object of the present invention to create favorable conditions for complying, in most points, with the so-called US-American 3A standards and FDA regulations. This object is achieved inter alia by providing between the sealing places (7, 8; 70, 71) a penetration cross-section (6a) from the inside space of the valve casing parts (1, 2) to the leakage cavity which at least corresponds to the nominal cross-section of the double seat valve and by using the same dimensions for the connection via the leakage cavity (6) and between the leakage cavity and the environs of the double seat valve.

REFERENCES:
patent: 5085241 (1992-02-01), Mieth

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