4820-01-286-1962 VALVE,ANGLE Index 4820-01-286-1964 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-286-1963

Federal Supply Class:
4820

National Item Identification Number:
012861963

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
15687H86184GRISWOLD INDUSTRIES


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE15.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER7.688 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE4.000 INCHES


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