4820-00-287-3127 VALVE,SAFETY RELIEF Index 4820-00-287-3136 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-3129

Federal Supply Class:
4820

National Item Identification Number:
002873129

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
31BA55921CURTIS-TOLEDO INC.
GK10055921CURTIS-TOLEDO INC.
GK100055921CURTIS-TOLEDO INC.
VV413PSI185NPT3-855921CURTIS-TOLEDO INC.


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALSTEEL FLOW CONTROL DEVICE
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END
OPENING PRESSURE SETTING185.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
VALVE OPERATION METHODAUTOMATIC OR MANUAL


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