4540-01-185-1132 HEATING ELEMENT,ELECTRICAL,NONIM Index 4820-01-185-1134 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-185-1133

Federal Supply Class:
4820

National Item Identification Number:
011851133

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:
151501.4500WLX8W AND O SUPPLY
420SW 2 1/2 IN63686THE WALWORTH COMPANY
420WS 2 1/2 IN63686THE WALWORTH COMPANY
DS-4787163686THE WALWORTH COMPANY


Techincal Specification:
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP550.0 DEG FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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