4820-01-521-0165 VALVE,SAFETY RELIEF Index 5930-01-521-0167 SWITCH,PRESSURE

National Stock Number:
4820-01-521-0166

Federal Supply Class:
4820

National Item Identification Number:
015210166

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:
E382935795LESLIE CONTROLS, INC.
YB2385K62535795LESLIE CONTROLS, INC.


Techincal Specification:
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE+45.0/+70.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.875 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY SEAT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
PART NAME ASSIGNED BY CONTROLLING AGENCYMODEL 1385 PRESSURE RELIEF VALVE FLANGED BODY
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP190.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.875 INCHES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
TEST DATA DOCUMENT81349-MIL-S-901C LIGHT WEIGHT, GRADE A OR B CLASS 1 TYPE A SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 81349-MIL-STD-167 TYPE 1 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).


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