National Item Identification Number
01-522-4938
015224938
4820-01-522-4938
4820-01-522-4938
National Stock Number
Item Name
VALVE,REGULATING,SYSTEM PRESSURE
Federal Supply Class
4820
Description
A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.
Commercial and Government Entity Code (Supplier Data)
73030
73030
Reference Numbers (Part Numbers)
NV828057-1
PLNV28189-02
Required Categories
FLOW CONTROL DEVICE
REGULATION TYPE
MANUAL CONTROL METHOD
SPECIAL FEATURES
I
Required Description
NEEDLE
MANUAL, DOUBLE STAGE
KNOB
PART NUMBER SV785016-2 IS AN ALTERNATE AND M