4820-00-289-2135, VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-2135

Federal Supply Class:
4820

National Item Identification Number:
002892135

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:

CB1S4501-6PC1	53711	NAVAL SEA SYSTEMS COMMAND
CB1S4501-6PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CB1S5501-8PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL144S4501-584406PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL144S4501-584406PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CB1S5501-8PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CL144S5501-584405PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL144S5501-584423PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL55A45-95PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL55S55-243PC1	53711	NAVAL SEA SYSTEMS COMMAND
CL55S55-243PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CL55S45-95PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CL144S5501-584423PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CL144S5501-584405PC1	80064	NAVAL SHIP SYSTEMS COMMAND
HH2-CID882111568	15187	EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
CL55S55-261PC1	53711	NAVAL SEA SYSTEMS COMMAND
CV22S55-68PC1	53711	NAVAL SEA SYSTEMS COMMAND
CV22S55-68PC1	80064	NAVAL SHIP SYSTEMS COMMAND
CL55S55-261PC1	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+21.0 TO 30.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER	3.375 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES FIRST END
BOLT HOLE QUANTITY	4 FIRST END
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPE	FLANGE FIRST END
CONNECTION TYPE	THREADED INTERNAL PIPE SECOND END
DISK LOADING METHOD	SPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	3.406 INCHES
FLANGE FACE DESIGN	PLAIN FIRST END
FLANGE SHAPE	ROUND WITH HOLES FIRST END
FLOW CONTROL DEVICE	DISK
OPERATING PRESSURE	100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL	COPPER ALLOY BODY
MATERIAL	COPPER ALLOY FLOW CONTROL DEVICE
MATERIAL	COPPER ALLOY SEAT
MATERIAL	STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP	406.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	AIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER	4.500 INCHES FIRST END
NOMINAL THICKNESS	0.438 INCHES FIRST END
NOMINAL THREAD SIZE	1.500 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	2.125 INCHES
VALVE OPERATION METHOD	AUTOMATIC OR MANUAL
STYLE DESIGNATOR	ANGLE FLANGED ENDS
THREAD DIRECTION	RIGHT-HAND SECOND END
THREAD SERIES DESIGNATOR	NPT SECOND END

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