CA869315A - Fluid operated safety valve - Google Patents

Fluid operated safety valve

Info

Publication number
CA869315A
CA869315A CA869315A CA869315DA CA869315A CA 869315 A CA869315 A CA 869315A CA 869315 A CA869315 A CA 869315A CA 869315D A CA869315D A CA 869315DA CA 869315 A CA869315 A CA 869315A
Authority
CA
Canada
Prior art keywords
safety valve
fluid operated
operated safety
fluid
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
CA869315A
Inventor
M. Varty William
L. Zerb Donald
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Publication date
Application granted granted Critical
Publication of CA869315A publication Critical patent/CA869315A/en
Expired legal-status Critical Current

Links

CA869315A Fluid operated safety valve Expired CA869315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA869315T

Publications (1)

Publication Number Publication Date
CA869315A true CA869315A (en) 1971-04-27

Family

ID=36355387

Family Applications (1)

Application Number Title Priority Date Filing Date
CA869315A Expired CA869315A (en) Fluid operated safety valve

Country Status (1)

Country Link
CA (1) CA869315A (en)

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