FR2668808B1 - FLOATING PISTON VALVE FOR PRESSURE REDUCERS, AND TECHNIQUE FOR ADAPTING IT TO HIGH SERVICE PRESSURES. - Google Patents

FLOATING PISTON VALVE FOR PRESSURE REDUCERS, AND TECHNIQUE FOR ADAPTING IT TO HIGH SERVICE PRESSURES.

Info

Publication number
FR2668808B1
FR2668808B1 FR9112517A FR9112517A FR2668808B1 FR 2668808 B1 FR2668808 B1 FR 2668808B1 FR 9112517 A FR9112517 A FR 9112517A FR 9112517 A FR9112517 A FR 9112517A FR 2668808 B1 FR2668808 B1 FR 2668808B1
Authority
FR
France
Prior art keywords
adapting
technique
piston valve
floating piston
high service
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
FR9112517A
Other languages
French (fr)
Other versions
FR2668808A1 (en
Inventor
Galli Rosaria
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.)
RG SAS Di Rosaria Galli and Co
Original Assignee
RG SAS Di Rosaria Galli and Co
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 RG SAS Di Rosaria Galli and Co filed Critical RG SAS Di Rosaria Galli and Co
Publication of FR2668808A1 publication Critical patent/FR2668808A1/en
Application granted granted Critical
Publication of FR2668808B1 publication Critical patent/FR2668808B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G05D16/107—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Lift Valve (AREA)
FR9112517A 1990-11-02 1991-10-11 FLOATING PISTON VALVE FOR PRESSURE REDUCERS, AND TECHNIQUE FOR ADAPTING IT TO HIGH SERVICE PRESSURES. Expired - Fee Related FR2668808B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT12538A IT1242236B (en) 1990-11-02 1990-11-02 MECHANICAL DETAILS FOR IMPROVEMENT AND SAFETY FOR ELEMENT PISTON VALVE OF PRESSURE REDUCERS OF AIR DISPENSER

Publications (2)

Publication Number Publication Date
FR2668808A1 FR2668808A1 (en) 1992-05-07
FR2668808B1 true FR2668808B1 (en) 1995-08-04

Family

ID=11141336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9112517A Expired - Fee Related FR2668808B1 (en) 1990-11-02 1991-10-11 FLOATING PISTON VALVE FOR PRESSURE REDUCERS, AND TECHNIQUE FOR ADAPTING IT TO HIGH SERVICE PRESSURES.

Country Status (2)

Country Link
FR (1) FR2668808B1 (en)
IT (1) IT1242236B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792388B1 (en) 1999-04-16 2001-07-06 R G S A S Di Rosaria Galli & C FLOATING VALVE FOR BALANCED PRESSURE REDUCER, PARTICULARLY FOR HIGH PRESSURES, AND PRESSURE REDUCER COMPRISING SUCH A VALVE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615353A (en) * 1984-01-24 1986-10-07 Mckee James E Pneumatic control valves with diaphragm actuators and modular body structure

Also Published As

Publication number Publication date
IT9012538A1 (en) 1992-05-02
FR2668808A1 (en) 1992-05-07
IT1242236B (en) 1994-03-03
IT9012538A0 (en) 1990-11-02

Similar Documents

Publication Publication Date Title
FR2725259B1 (en) PRESSURE ACTIVATED SEALING RING
AU1044083A (en) Device at a pressure fluid cylinder without piston rod
DE69709945D1 (en) HIGH PRESSURE ACTUATED DIAPHRAGM VALVE WITH METAL SEAL
IT9022008A0 (en) COUPLER TO CONNECT, THROUGH THE FITTING OF A MALE FITTING, LOW PRESSURE FLUID PIPES.
FR2606873B1 (en) PISTON POSITION DETECTOR FOR A PRESSURE FLUID CYLINDER
GB8618235D0 (en) Pressure cylinder pipe coupling
NO961253L (en) Hydraulic coupling with pressure relief valve
AU3089000A (en) A tamp pad
NZ501375A (en) Press with pair of cylinders and valve to synchronise cylinders to maintain platens level
FR2688858B3 (en) FLEXIBLE HOSE FOR HIGH PRESSURE.
FR2668808B1 (en) FLOATING PISTON VALVE FOR PRESSURE REDUCERS, AND TECHNIQUE FOR ADAPTING IT TO HIGH SERVICE PRESSURES.
FR2560485B1 (en) PRESSURE EQUALIZATION COUPLING ON A CONDITIONING CYLINDER
IT240427Y1 (en) DISTRIBUTION UNIT FOR UNDER PRESSURE FLUID
AU7362887A (en) Pressure gauge for high pressure flow through diaphragm pump
GB2290319B (en) Pressure flow valve
AU6453296A (en) Piston actuated pressure reducing valve
FR2672945B3 (en) CYLINDER FOR PRESSURE FLUIDS.
FR2724425B1 (en) PRESSURE REGULATION ELECTROVALVE FOR HYDRAULIC CIRCUIT
IT1277558B1 (en) COMBINED VALVE FOR HYDRAULIC PUMPS CHOKED ON THE INTAKE
JPS5445465A (en) Hydraulic driver
EP0185436A3 (en) Fluid pressure operable unit
IT1236551B (en) SURFACE STRUCTURE OF CLAMPING SLEEVES WITH DISCHARGE OF OIL LEAKS BY SEALING DEFECT, ON THE HYDRAULIC CLAMPING SYSTEM OF A FAST STROKE HYDRAULIC PRESS.
WO1990012714A3 (en) Master cylinder for a hydraulic brake and steering brake system
IT1281748B1 (en) VALVE ARRANGEMENT_TO CONNECT A MAIN PRESSURE SOURCE WITH A PRESSURE CONSUMPTION.
CA2214497A1 (en) Diaphragm valve

Legal Events

Date Code Title Description
ST Notification of lapse
R1 Appeal
DS Decision of the director general to state about an appeal
ST Notification of lapse

Effective date: 20100630