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NL7808354A - BALL VALVE. - Google Patents

BALL VALVE.

Info

Publication number
NL7808354A
NL7808354A NL7808354A NL7808354A NL7808354A NL 7808354 A NL7808354 A NL 7808354A NL 7808354 A NL7808354 A NL 7808354A NL 7808354 A NL7808354 A NL 7808354A NL 7808354 A NL7808354 A NL 7808354A
Authority
NL
Netherlands
Prior art keywords
ball valve
ball
valve
Prior art date
Application number
NL7808354A
Other languages
Dutch (nl)
Original Assignee
Hattersley Newman Hender
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 Hattersley Newman Hender filed Critical Hattersley Newman Hender
Publication of NL7808354A publication Critical patent/NL7808354A/en

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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0668—Single packings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
NL7808354A 1978-02-24 1978-08-10 BALL VALVE. NL7808354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB757278A GB1604455A (en) 1978-02-24 1978-02-24 Ball closure valves

Publications (1)

Publication Number Publication Date
NL7808354A true NL7808354A (en) 1979-08-28

Family

ID=9835715

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7808354A NL7808354A (en) 1978-02-24 1978-08-10 BALL VALVE.

Country Status (2)

Country Link
GB (1) GB1604455A (en)
NL (1) NL7808354A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385747A (en) * 1982-01-07 1983-05-31 Worcester Controls Corporation Self-relieving seat and ball valve incorporating the same

Also Published As

Publication number Publication date
GB1604455A (en) 1981-12-09

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed