AU448064B2 - Safety valve having back pressure compensate - Google Patents

Safety valve having back pressure compensate

Info

Publication number
AU448064B2
AU448064B2 AU30781/71A AU3078171A AU448064B2 AU 448064 B2 AU448064 B2 AU 448064B2 AU 30781/71 A AU30781/71 A AU 30781/71A AU 3078171 A AU3078171 A AU 3078171A AU 448064 B2 AU448064 B2 AU 448064B2
Authority
AU
Australia
Prior art keywords
back pressure
safety valve
pressure compensate
compensate
safety
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
AU30781/71A
Other versions
AU3078171A (en
Inventor
Wilson Richardson John
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of AU3078171A publication Critical patent/AU3078171A/en
Publication of AU448064B2 publication Critical patent/AU448064B2/en
Expired legal-status Critical Current

Links

AU30781/71A 1970-07-27 1971-07-05 Safety valve having back pressure compensate Expired AU448064B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS59,782 1970-07-27

Publications (2)

Publication Number Publication Date
AU3078171A AU3078171A (en) 1973-01-11
AU448064B2 true AU448064B2 (en) 1973-01-11

Family

ID=

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