IT1237943B - Valvola per gas a purezza estremamente elevata presentante una tenuta elastica - Google Patents

Valvola per gas a purezza estremamente elevata presentante una tenuta elastica

Info

Publication number
IT1237943B
IT1237943B IT01901190A IT1901190A IT1237943B IT 1237943 B IT1237943 B IT 1237943B IT 01901190 A IT01901190 A IT 01901190A IT 1901190 A IT1901190 A IT 1901190A IT 1237943 B IT1237943 B IT 1237943B
Authority
IT
Italy
Prior art keywords
high purity
extremely high
gas valve
elastic seal
purity gas
Prior art date
Application number
IT01901190A
Other languages
English (en)
Other versions
IT9019011A1 (it
IT9019011A0 (it
Inventor
Porta Paolo Della
Original Assignee
Getters Spa
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 Getters Spa filed Critical Getters Spa
Priority to IT01901190A priority Critical patent/IT1237943B/it
Publication of IT9019011A0 publication Critical patent/IT9019011A0/it
Priority to BE9001241A priority patent/BE1004094A6/fr
Publication of IT9019011A1 publication Critical patent/IT9019011A1/it
Application granted granted Critical
Publication of IT1237943B publication Critical patent/IT1237943B/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
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/18—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action
    • 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
    • F16K1/18—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 with pivoted discs or flaps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
IT01901190A 1990-01-05 1990-01-05 Valvola per gas a purezza estremamente elevata presentante una tenuta elastica IT1237943B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT01901190A IT1237943B (it) 1990-01-05 1990-01-05 Valvola per gas a purezza estremamente elevata presentante una tenuta elastica
BE9001241A BE1004094A6 (fr) 1990-01-05 1990-12-24 Soupape a tres grande purete destinee a des gaz, munie d'un joint etanche a ressort.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT01901190A IT1237943B (it) 1990-01-05 1990-01-05 Valvola per gas a purezza estremamente elevata presentante una tenuta elastica

Publications (3)

Publication Number Publication Date
IT9019011A0 IT9019011A0 (it) 1990-01-05
IT9019011A1 IT9019011A1 (it) 1991-07-05
IT1237943B true IT1237943B (it) 1993-06-19

Family

ID=11153836

Family Applications (1)

Application Number Title Priority Date Filing Date
IT01901190A IT1237943B (it) 1990-01-05 1990-01-05 Valvola per gas a purezza estremamente elevata presentante una tenuta elastica

Country Status (2)

Country Link
BE (1) BE1004094A6 (it)
IT (1) IT1237943B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7624964B2 (en) 2002-10-04 2009-12-01 Pbt (Ip) Limited Gas valve with proportional output
EP1970608B1 (de) * 2007-03-10 2009-09-23 Festo AG & Co. KG Drosselventil

Also Published As

Publication number Publication date
IT9019011A1 (it) 1991-07-05
BE1004094A6 (fr) 1992-09-22
IT9019011A0 (it) 1990-01-05

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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: 19961230