2590-01-561-7163 BLADE,BULLDOZER,EARTH MOVING Index 5320-01-561-7165 PIN-RIVET

National Stock Number:
4820-01-561-7164

Federal Supply Class:
4820

National Item Identification Number:
015617164

Description:
VALVE,FIRE CHECK

Detail:
A VALVE WHICH WORKS ON A THERMOSTATIC PRINCIPLE TO STOP AND EXTINGUISH BACKFIRE IN GAS-AIR PIPELINES BY UTILIZING THE HEAT GENERATED BY THE FIRE TO ACTUATE THE MECHANISM WHICH CLOSES THE VALVE. IT ALSO CONTAINS A SWING CHECK ON THE INLET CONNECTION WHICH CLOSES IMMEDIATELY UPON SHOCK CAUSED BY BACKFIRE, SHUTTING OFF THE GAS-AIR MIXTURE. IT IS DESIGNED FOR INSTALLATION IN A PIPELINE TO FEED GAS-AIR MIXTURES TO BURNERS AND THE LIKE.


Manufacturer Information:
130-0001-011T765ROBERTSON FUEL SYSTEMS, L.L.C.
130-0001-0199321PARKER-HANNIFIN CORP


Techincal Specification:
END CONNECTION QUANTITY1
BODY MATERIALPLASTIC
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FURNISHED ITEMSNUT
FIRST END BOLT HOLE QUANTITY3
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END NOMINAL THREAD SIZE0.750 INCHES
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3A
FIRST END THREAD SERIES DESIGNATORUNF
FIRST END STYLE DESIGNATORFLARED
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE38.0 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, DRAIN, FUEL, LIGHTENING SAFE
PROPRIETARY CHARACTERISTICSPACS
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
SPECIAL FEATURESMAIN HOUSING/POPPET IS POLYETHERMIDE; SPRING IS PASSIVATED STAINLESS STEEL; PACKING IS FLUOROSILICONE; NUT IS ALUM ALLOY; SURFACES PAINTED WITH BLACK FUEL RESISTANT CONDUCTIVE COATING PER QCP 1050


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