4820-00-137-7990 VALVE,SAFETY RELIEF Index 4820-00-137-7992 STEM AND DISK ASSEMBLY

National Stock Number:
4820-00-137-7991

Federal Supply Class:
4820

National Item Identification Number:
001377991

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:
20129Q91M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20129REVAANDA15634REVA01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A15634REVA01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+163.0 TO 186.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE 1ST END
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODSPRING
FEATURES PROVIDEDBONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND 1ST END
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING175.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE210.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


Click here to Register for Free 30-day Trial