GB538495A - Improvements in and relating to isolating valves - Google Patents

Improvements in and relating to isolating valves

Info

Publication number
GB538495A
GB538495A GB725640A GB725640A GB538495A GB 538495 A GB538495 A GB 538495A GB 725640 A GB725640 A GB 725640A GB 725640 A GB725640 A GB 725640A GB 538495 A GB538495 A GB 538495A
Authority
GB
United Kingdom
Prior art keywords
valve
casing
balanced
holes
relief 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
GB725640A
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.)
David Auld & Sons Ltd
Original Assignee
David Auld & Sons Ltd
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 David Auld & Sons Ltd filed Critical David Auld & Sons Ltd
Priority to GB725640A priority Critical patent/GB538495A/en
Publication of GB538495A publication Critical patent/GB538495A/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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

538,495. Valves. GRAHAM, J., GRAHAM, D. A., and AULD & SONS, Ltd., D. April 22, 1940, No. 7256. [Class 135] An isolating valve of the kind wherein a balanced or substantially balanced valve member is operatively connected to a floating disc actuator arranged in a passage leading to a relief valve, is so arranged that the joint between the main casing and the relief valve casing is not subjected to the pressure on the delivery side of the balanced valve. In the form shown the balanced valve comprises a double-beat valve with slightly unequal beats f, g. The valve spindle h is guided by a sleeve h<SP>1</SP> supported by integral webs h<SP>2</SP> and is directly connected to the actuating disc i, the upper and lower faces of which incline towards each other from the centre to the periphery. The seat l for the relief valve surrounds the upper end of the cylindrical passage j housing the disc i. The valve m is loaded by a spring o adjusted by a screwed member t having a flange t<SP>1</SP> with an even number of holes adapted to co-operate with a flange u on the relief valve casing having an uneven number of holes, one pair of said holes being adapted to receive a locking pin v. The valve m may be loaded by weights or a weighted lever. Sediment is received in a cup k detachably secured to the lower part of the casing.
GB725640A 1940-04-22 1940-04-22 Improvements in and relating to isolating valves Expired GB538495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB725640A GB538495A (en) 1940-04-22 1940-04-22 Improvements in and relating to isolating valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB725640A GB538495A (en) 1940-04-22 1940-04-22 Improvements in and relating to isolating valves

Publications (1)

Publication Number Publication Date
GB538495A true GB538495A (en) 1941-08-06

Family

ID=9829620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB725640A Expired GB538495A (en) 1940-04-22 1940-04-22 Improvements in and relating to isolating valves

Country Status (1)

Country Link
GB (1) GB538495A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237860B (en) * 1960-07-28 1967-03-30 Elektrodienst Roessing & Borne Valve, especially pressure valve for piston pumps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237860B (en) * 1960-07-28 1967-03-30 Elektrodienst Roessing & Borne Valve, especially pressure valve for piston pumps

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