CA1023728A - Back-up seal for diaphragm valve - Google Patents

Back-up seal for diaphragm valve

Info

Publication number
CA1023728A
CA1023728A CA196,840A CA196840A CA1023728A CA 1023728 A CA1023728 A CA 1023728A CA 196840 A CA196840 A CA 196840A CA 1023728 A CA1023728 A CA 1023728A
Authority
CA
Canada
Prior art keywords
seal
diaphragm valve
diaphragm
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
CA196,840A
Other languages
French (fr)
Other versions
CA196840S (en
Inventor
John D. Tricini
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.)
Kerotest Manufacturing Corp
Original Assignee
Kerotest Manufacturing Corp
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 Kerotest Manufacturing Corp filed Critical Kerotest Manufacturing Corp
Application granted granted Critical
Publication of CA1023728A publication Critical patent/CA1023728A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/06—Special arrangements for improving the flow, e.g. special shape of passages or casings
    • F16K1/10—Special arrangements for improving the flow, e.g. special shape of passages or casings in which the spindle is inclined to the general direction of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
CA196,840A 1973-04-10 1974-04-04 Back-up seal for diaphragm valve Expired CA1023728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34976873A 1973-04-10 1973-04-10

Publications (1)

Publication Number Publication Date
CA1023728A true CA1023728A (en) 1978-01-03

Family

ID=23373875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,840A Expired CA1023728A (en) 1973-04-10 1974-04-04 Back-up seal for diaphragm valve

Country Status (6)

Country Link
JP (1) JPS5313244B2 (en)
CA (1) CA1023728A (en)
DE (1) DE2415299A1 (en)
ES (1) ES425179A1 (en)
FR (1) FR2225676B3 (en)
GB (1) GB1419611A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171792A (en) * 1974-12-23 1979-10-23 Dresser Industries, Inc. High pressure diaphragm valves
DE2644419C3 (en) * 1976-09-30 1979-05-17 Borsig Gmbh, 1000 Berlin Drive pin sealing of a ball valve
US4151979A (en) * 1977-02-03 1979-05-01 Kerotest Manufacturing Corp. Diaphragm valve having a Belleville-spring assembly
JPS546623U (en) * 1977-06-16 1979-01-17
DE2754197A1 (en) * 1977-12-06 1979-06-07 Froehlich Air Ag PIPE HEAT EXCHANGER
DE2928800A1 (en) * 1978-07-25 1980-02-07 Saunders Valve Co Ltd DIAPHRAGM VALVE
JPS5824665Y2 (en) * 1979-05-08 1983-05-27 オリンパス光学工業株式会社 tape recorder
JPS6233379Y2 (en) * 1980-02-16 1987-08-26
FR2514454A1 (en) * 1981-10-14 1983-04-15 Dresser Europe Sa Sealed connection between different fluids - has stopcock with diaphragm connecting two sections immersed in fluids
CN115435091A (en) * 2022-11-08 2022-12-06 哈电集团哈尔滨电站阀门有限公司 Stop valve with multiple sealing structure

Also Published As

Publication number Publication date
FR2225676B3 (en) 1977-02-11
JPS5012621A (en) 1975-02-08
DE2415299A1 (en) 1974-10-31
JPS5313244B2 (en) 1978-05-09
GB1419611A (en) 1975-12-31
ES425179A1 (en) 1976-11-01
FR2225676A1 (en) 1974-11-08

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