4820-01-220-5535 VALVE,SAFETY RELIEF Index 4820-01-220-5537 VALVE,BUTTERFLY

National Stock Number:
4820-01-220-5536

Federal Supply Class:
4820

National Item Identification Number:
012205536

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:
3167-E04537ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA
S4824-D-316161180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER8.875 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY12 ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE8.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALNICKEL ALLOY 400 STEM
MATERIALSTEEL UNS J03504 BODY
MATERIALSTEEL UNS J92650 FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP610.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER10.125 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
OPENING PRESSURE SETTING10.0 POUNDS PER SQUARE INCH
SECOND CONNECTION FACE TO CENTERLINE DISTANCE8.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE6.000 INCHES


Click here to Register for Free 30-day Trial

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