IT1289123B1 - Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto - Google Patents

Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto

Info

Publication number
IT1289123B1
IT1289123B1 IT96VR000072A ITVR960072A IT1289123B1 IT 1289123 B1 IT1289123 B1 IT 1289123B1 IT 96VR000072 A IT96VR000072 A IT 96VR000072A IT VR960072 A ITVR960072 A IT VR960072A IT 1289123 B1 IT1289123 B1 IT 1289123B1
Authority
IT
Italy
Prior art keywords
gaseous
sealing
liquid
solenoid valve
automatic control
Prior art date
Application number
IT96VR000072A
Other languages
English (en)
Inventor
Luigi Marangoni
Original Assignee
Luigi Marangoni
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 Luigi Marangoni filed Critical Luigi Marangoni
Priority to IT96VR000072A priority Critical patent/IT1289123B1/it
Priority to EP97830422A priority patent/EP0825371A1/en
Publication of ITVR960072A1 publication Critical patent/ITVR960072A1/it
Application granted granted Critical
Publication of IT1289123B1 publication Critical patent/IT1289123B1/it

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
    • 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
    • F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
    • F16K31/402—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a diaphragm
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
    • F16K1/446—Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
IT96VR000072A 1996-08-21 1996-08-21 Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto IT1289123B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96VR000072A IT1289123B1 (it) 1996-08-21 1996-08-21 Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto
EP97830422A EP0825371A1 (en) 1996-08-21 1997-08-13 Safety solenoid valve for pipelines with automatic check of pipeline system seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96VR000072A IT1289123B1 (it) 1996-08-21 1996-08-21 Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto

Publications (2)

Publication Number Publication Date
ITVR960072A1 ITVR960072A1 (it) 1998-02-21
IT1289123B1 true IT1289123B1 (it) 1998-09-25

Family

ID=11428233

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96VR000072A IT1289123B1 (it) 1996-08-21 1996-08-21 Elettrovalvola di sicurezza per condotte di fluido,sia liquido che gassoso,a controllo automatico della tenuta dell'impianto

Country Status (2)

Country Link
EP (1) EP0825371A1 (it)
IT (1) IT1289123B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1209393A3 (en) * 2000-11-22 2003-06-04 MADAS S.r.l. Automatic isolating valve for gas pipelines with pneumatic servo control
DE102008030453A1 (de) * 2008-06-26 2010-01-14 Hydac Electronic Gmbh Betätigungsvorrichtung
WO2023052919A1 (en) * 2021-09-29 2023-04-06 Esa S.P.A. Improved double safety valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE897499A (nl) * 1983-08-10 1983-12-01 Standard Sa Beveiligingsinrichting voor waterleidingen
JPS60226619A (ja) * 1984-04-24 1985-11-11 Toyo Gasumeetaa Kk 復帰安全ガス遮断弁
JPH02179435A (ja) * 1988-12-29 1990-07-12 Yamatake Honeywell Co Ltd 二重遮断ガスバルブのリークチェック装置
JPH02179438A (ja) * 1988-12-29 1990-07-12 Yamatake Honeywell Co Ltd 二重遮断ガスバルブのリークチェック装置

Also Published As

Publication number Publication date
EP0825371A1 (en) 1998-02-25
ITVR960072A1 (it) 1998-02-21

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990811