CA317638A - Dispositif de double soupape de retenue - Google Patents

Dispositif de double soupape de retenue

Info

Publication number
CA317638A
CA317638A CA317638A CA317638DA CA317638A CA 317638 A CA317638 A CA 317638A CA 317638 A CA317638 A CA 317638A CA 317638D A CA317638D A CA 317638DA CA 317638 A CA317638 A CA 317638A
Authority
CA
Canada
Prior art keywords
check valve
valve device
double check
double
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA317638A
Other languages
English (en)
Inventor
R. Fitch Ellery
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Publication date
Application granted granted Critical
Publication of CA317638A publication Critical patent/CA317638A/fr
Expired legal-status Critical Current

Links

CA317638A Dispositif de double soupape de retenue Expired CA317638A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA317638T

Publications (1)

Publication Number Publication Date
CA317638A true CA317638A (fr) 1931-12-01

Family

ID=35278193

Family Applications (1)

Application Number Title Priority Date Filing Date
CA317638A Expired CA317638A (fr) Dispositif de double soupape de retenue

Country Status (1)

Country Link
CA (1) CA317638A (fr)

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