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2 130 143

(13)

(51)

IPC

(21) (22)

Application

96103985/06, 1996-02-28

(22)

Actual filing date

1996-02-28

(45)

Published

1999-05-10

(72)

Inventor

Petrov M.G.(Ru)Darmalad Sergej Evgen'EvichPetrov Aleksej Mikhajlovich

(73)

Holder

Chastnyj Individual'Nyj Issledovatel'Skij Proizvodstvenno-Torgovyj Tsentr Petrova

DIAPHRAGM VALVE Russian patent published in 1999 - IPC

Abstract RU 2130143 C1

FIELD: manufacture of fittings; shutting-off various flows. SUBSTANCE: valve includes body, cover with engageable stem and tappet. Body provided with flexible diaphragm located above straightway hole in seat. Straightway hole of seat is square in shape. EFFECT: enhanced durability and reliability of diaphragm valve. 2 dwg

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RU 2 130 143 C1

Authors

Petrov M.G.(Ru)

Darmalad Sergej Evgen'Evich

Petrov Aleksej Mikhajlovich

Dates

1999-05-10—Published

1996-02-28—Filed