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2 137 002

(13)

C1

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IPC

(21) (22)

Application

98105456/06, 1998-03-23

(24)

Start date

1998-03-23

(22)

Actual filing date

1998-03-23

(45)

Published

1999-09-10

(72)

Inventor

Shimchuk F.S.Tjurin V.S.Laptev A.A.Fadeev E.V.

(73)

Holder

Saratovskoe Aktsionernoe Proizvodstvenno-Kommercheskoe Obshchestvo Sapkon

BREATHING-SAFETY VALVE Russian patent published in 1999 - IPC

Abstract RU 2137002 C1

FIELD: applicable for horizontal and vertical tanks with petroleum, petroleum products and chemical liquids. SUBSTANCE: the valve comprises a body with pressure and vacuum seals and a fire safety device. The seals are made as units composed of a branch pipe with a flange and plate. The plates are kept in the closed position by means of springs and furnish with additional small by-pass gates. The fire safety devices are installed on the external side of the valve seals. EFFECT: reduced dimensions of valve, unified parts and assemblies and enhanced fire safety. 2 dwg

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RU 2 137 002 C1

Authors

Shimchuk F.S.

Tjurin V.S.

Laptev A.A.

Fadeev E.V.

Dates

1999-09-10—Published

1998-03-23—Filed

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