High purity gas delivery control assembly

Details High purity gas delivery control assembly High purity gas delivery control assembly

1989-12-15

1991-02-12

Rosenthal, Arnold

Fluid handling

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

Cleaning or steam sterilizing

251330, 2513353, F16K 110, F16K 4110, F16K 4118

Patent

active

049916190

ABSTRACT:
The invention relates to a high purity gas delivery control assembly (100) having straight through gas flow. The bellows (118) which operates a gas flow interruption means (114) is isolated during gas flow and dead volumes are reduced to a minimum. This prevents the introduction of unwanted particles into the gas stream.

REFERENCES:
patent: 4421298 (1983-12-01), Kujawski
patent: 4431159 (1984-02-01), Stubbs
patent: 4570665 (1986-02-01), Zimmerly
patent: 4909271 (1990-03-01), Canaan et al.

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