4710-01-428-1787 TUBE ASSEMBLY,METAL Index 4820-01-428-1789 VALVE,BALL

National Stock Number:
4820-01-428-1788

Federal Supply Class:
4820

National Item Identification Number:
014281788

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:
MM-3130B-11M-S21013METREX VALVE CORP.
MM-3130B-TC-11M-S21013METREX VALVE CORP.
MM3130B1TC11M21013METREX VALVE CORP.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+16.0 TO 96.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.687 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE14.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
OPERATING PRESSURE96.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MEDIA FOR WHICH DESIGNEDWATER, FRESH FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SECOND RESPONSE
MOUNTING FACILITYBRACKET(S)
NOMINAL OUTSIDE DIAMETER7.687 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
SPECIAL FEATURESACTUATED BY R-114 REFRIGERANT PRESSURE THRU DIAPHRAGM PILOT ACTUATOR
RENEWABLE SEAT RING TYPETHREADED
VALVE OPERATION METHODAIR
VALVE SIZE4.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.


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