4810-01-289-0988 VALVE,SAFETY RELIEF Index 4820-01-289-0990 VALVE,BUTTERFLY

National Stock Number:
4820-01-289-0989

Federal Supply Class:
4820

National Item Identification Number:
012890989

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:
BASAA08SBB5P967DANTE VALVE COMPANY
BASAA08SBB65079DANCO VALVE COMPANY
D3800 ASSEMBLY D50UU-0865079DANCO VALVE COMPANY
D38800 ASSEMBLY D50UU-0865079DANCO VALVE COMPANY
D50UU-08 3/8IPS65079DANCO VALVE COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+160.0 TO 225.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALRUBBER PACKING
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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