PRESSURE REDUCING VALVE TO BE USED MAINLY FOR WATER HEATER

Title:

PRESSURE REDUCING VALVE TO BE USED MAINLY FOR WATER HEATER

Document Type and Number:

Japanese Patent JP2720290

Kind Code:

B2

Abstract:

PURPOSE: To miniaturize the pressure reducing valve housing a relief valve by linking the relief valve provided in the pressure reducing valve with the pressure reducing valve and accurately relieving the relief valve at a pressure set higher than a pressure set to the pressure reducing valve by a prescribed pressure.
CONSTITUTION: A pressure sensitive body 2 is provided in body 1 equipped with an inlet 10 connected to the primary side and an outlet 11 connected to the secondary side, a spring 3 to be pushed out to the secondary side is connected to the body 2, a cylindrical valve element 4 for the pressure reducing valve is formed integrally with or connected integrally to the pressure sensitive body, and a valve seat 5 for the pressure reducing valve facing to the valve part is fixedly provided inside the body. At the same time, a partition wall 6 is provided to isolate the outer peripheral side of the valve body from the primary side in a water tight state, a relief valve 7 is movably arranged in an empty chamber Z formed between the partition wall and the pressure sensitive body, and pushed out to the pressure sensitive body side by a spring, a valve seat 8 for the relief valve is provided at the pressure sensitive body, a closed chamber (a) formed by the engagement of the valve seat for the relief valve with the valve part is communicated through a communication port (b) to the secondary side, and a discharge port (c) is opened.

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Inventors:

DEKURAN BIIHAN
NEGISHI ISAO
IWAI SHIGERU

Application Number:

JP8100194A

Publication Date:

March 04, 1998

Filing Date:

March 28, 1994

Export Citation:

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Assignee:

ENU TEE SHII KOGYO KK

International Classes:

G05D16/06; G05D16/04; (IPC1-7): G05D16/04; G05D16/06

Domestic Patent References:

JP57148208U
JP4984730U

Attorney, Agent or Firm:

Kazuro Shinseki

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