GB2237620B - Valve test device - Google Patents

Valve test device

Info

Publication number
GB2237620B
GB2237620B GB9021605A GB9021605A GB2237620B GB 2237620 B GB2237620 B GB 2237620B GB 9021605 A GB9021605 A GB 9021605A GB 9021605 A GB9021605 A GB 9021605A GB 2237620 B GB2237620 B GB 2237620B
Authority
GB
United Kingdom
Prior art keywords
test device
valve test
valve
test
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 - Fee Related
Application number
GB9021605A
Other versions
GB9021605D0 (en
GB2237620A (en
Inventor
Stephen Gibbs
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.)
Keystone International Holdings Corp
Original Assignee
Keystone International Holdings 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 Keystone International Holdings Corp filed Critical Keystone International Holdings Corp
Publication of GB9021605D0 publication Critical patent/GB9021605D0/en
Publication of GB2237620A publication Critical patent/GB2237620A/en
Application granted granted Critical
Publication of GB2237620B publication Critical patent/GB2237620B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/0041—Electrical or magnetic means for measuring valve parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
GB9021605A 1989-10-05 1990-10-04 Valve test device Expired - Fee Related GB2237620B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8922419A GB8922419D0 (en) 1989-10-05 1989-10-05 Valve test device

Publications (3)

Publication Number Publication Date
GB9021605D0 GB9021605D0 (en) 1990-11-21
GB2237620A GB2237620A (en) 1991-05-08
GB2237620B true GB2237620B (en) 1993-04-21

Family

ID=10664080

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8922419A Pending GB8922419D0 (en) 1989-10-05 1989-10-05 Valve test device
GB9021605A Expired - Fee Related GB2237620B (en) 1989-10-05 1990-10-04 Valve test device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8922419A Pending GB8922419D0 (en) 1989-10-05 1989-10-05 Valve test device

Country Status (1)

Country Link
GB (2) GB8922419D0 (en)

Also Published As

Publication number Publication date
GB8922419D0 (en) 1989-11-22
GB9021605D0 (en) 1990-11-21
GB2237620A (en) 1991-05-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991004