Gas sample bag with two valves

Details Gas sample bag with two valves Gas sample bag with two valves

G - Physics

01

N

G01N 1/22 (2006.01) F16K 5/08 (2006.01)

Patent

CA 2685449

A gas sample bag having two molded plastic valves is described in the invention. Both stopcock valve and needle valve have a septum that permits a portion of gas sample to be withdrawn with a syringe. Both valves come with an arm for filling gas sample. Both stopcock valve and needle valve have excellent sealing property due to precision manufacturing process, an O-ring and lubricant is not required. A flexible synthetic fluoropolymer film with extreme low permeation property and extreme chemical stability is used to form a collapsible bag.

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