4820-01-257-8661 VALVE,SAFETY RELIEF Index 4820-01-257-8663 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-257-8662

Federal Supply Class:
4820

National Item Identification Number:
012578662

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:
D4866434889HUNT VALVE COMPANY INC
D48664 PART R10AG1G11711859HUNT VALVE COMPANY, INC.
D48664 PART R10AG1G11734889HUNT VALVE COMPANY INC
R10AG1G117 AND34889HUNT VALVE COMPANY INC


Techincal Specification:
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE+163.0/+201.0 POUNDS PER SQUARE INCH
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ERR-100
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING STEM
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us