PT85620A - Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao - Google Patents

Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao

Info

Publication number
PT85620A
PT85620A PT8562087A PT8562087A PT85620A PT 85620 A PT85620 A PT 85620A PT 8562087 A PT8562087 A PT 8562087A PT 8562087 A PT8562087 A PT 8562087A PT 85620 A PT85620 A PT 85620A
Authority
PT
Portugal
Prior art keywords
valve
controlled
under normal
gas
closed
Prior art date
Application number
PT8562087A
Other languages
English (en)
Other versions
PT85620B (pt
Original Assignee
Melika Ind Co Ltd
Rong Chao Chuang
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 Melika Ind Co Ltd, Rong Chao Chuang filed Critical Melika Ind Co Ltd
Priority to PT8562087A priority Critical patent/PT85620B/pt
Publication of PT85620A publication Critical patent/PT85620A/pt
Publication of PT85620B publication Critical patent/PT85620B/pt

Links

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pipeline Systems (AREA)
  • Safety Valves (AREA)
PT8562087A 1987-08-28 1987-08-28 Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao PT85620B (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT8562087A PT85620B (pt) 1987-08-28 1987-08-28 Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT8562087A PT85620B (pt) 1987-08-28 1987-08-28 Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao

Publications (2)

Publication Number Publication Date
PT85620A true PT85620A (pt) 1989-09-14
PT85620B PT85620B (pt) 1994-08-31

Family

ID=20084080

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8562087A PT85620B (pt) 1987-08-28 1987-08-28 Dispositivo de valvula de seguranca de obturacao no sentido de tras para a frente proprio para interromper automaticamente a passagem de gas atraves da respectiva conduta sempre que se verifique qualquer deficiencia no sistema de reducao de pressao

Country Status (1)

Country Link
PT (1) PT85620B (pt)

Also Published As

Publication number Publication date
PT85620B (pt) 1994-08-31

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940209

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20020831