NZ603911A - Pressure control valve with a hollow plug acted on by an opening spring and a counteracting backpressure that acts on an enlarged portion of the plug - Google Patents

Pressure control valve with a hollow plug acted on by an opening spring and a counteracting backpressure that acts on an enlarged portion of the plug

Info

Publication number
NZ603911A
NZ603911A NZ603911A NZ60391112A NZ603911A NZ 603911 A NZ603911 A NZ 603911A NZ 603911 A NZ603911 A NZ 603911A NZ 60391112 A NZ60391112 A NZ 60391112A NZ 603911 A NZ603911 A NZ 603911A
Authority
NZ
New Zealand
Prior art keywords
plug
fluid
enlarged portion
control valve
value
Prior art date
Application number
NZ603911A
Other versions
NZ603911B (en
Inventor
Carlo Medina
Original Assignee
Bome S R L
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 Bome S R L filed Critical Bome S R L
Publication of NZ603911A publication Critical patent/NZ603911A/en
Publication of NZ603911B publication Critical patent/NZ603911B/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • G05D16/103—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet
    • 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
    • F16K1/16—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 pivoted closure-members
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

A pressure control valve 1 comprises a housing 2 defining a flow path P for a fluid between an inlet 3 and an outlet 4, a hollow plug 5 for the fluid, movable between a closed position C, in which the plug 5 is coupled with a closing washer 27 for interrupting the flow of fluid, and an open position A to enable the fluid to pass, a counteracting spring 8 exerting an opening force FA for pushing the plug 5 to the open position A. The plug 5 and the spring 8 are configured in such a manner that the closed position C is reached at a set limit pressure value of the fluid downstream. The plug 5 comprises an enlarged portion 10 that is suitable for receiving from the fluid downstream a closing force Fc which counteracts the opening force FA and acts towards the closed position C. The enlarged portion 10 has a transverse external dimension equal to a first value. The plug 5 further comprises an intermediate portion 11 that is slidable on guiding and sealing means 12 and has an external transverse dimension that is equal to a second value D2 less than the first value D1.
NZ603911A 2012-11-28 Pressure control valve NZ603911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001186A ITMI20121186A1 (en) 2012-07-06 2012-07-06 PRESSURE CONTROL VALVE

Publications (2)

Publication Number Publication Date
NZ603911A true NZ603911A (en) 2013-05-31
NZ603911B NZ603911B (en) 2013-09-03

Family

ID=

Also Published As

Publication number Publication date
AU2012258441B2 (en) 2015-01-22
ITMI20121186A1 (en) 2014-01-07
AU2012258441A1 (en) 2014-01-23

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Legal Events

Date Code Title Description
ERR Error or correction

Free format text: THE TITLE HAS BEEN CORRECTED TO TITLE: PRESSURE CONTROL VALVE; FILING DATE: 29 NOV 2012; STATUS: REJECTED; TITLE: PRESSURE CONTROL VALVE; FILING DATE: 28 NOV 2012; STATUS: REJECTED; TITLE: PRESSURE CONTROL VALVE; FILING DATE: 29 NOV 2012; STATUS: PROPOSED;

Effective date: 20130509

PSEA Patent sealed
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