4820-01-187-1102 VALVE,CHECK Index 2930-01-187-1104 RADIATOR,ENGINE COOLANT

National Stock Number:
4820-01-187-1103

Federal Supply Class:
4820

National Item Identification Number:
011871103

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:
2021901343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20219NS41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20219NS41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
VALVE SIZE2.000 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE FACE DESIGNPLAIN 1ST END
RECESSED STRAIGHT 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE106.0 TO 120.0 POUNDS PER SQUARE INCH


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us