National Item Identification Number
01-521-6258
015216258
4820-01-521-6258
4820-01-521-6258
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)
91051
PARKER HANNIFIN CORPORATION
DIV REFRIGERATING SPECIALTIES
2445 SOUTH 25TH AVENUE
BROADVIEW
IL
60155
708-681-6300
Reference Numbers (Part Numbers)
A4A-DN 1IN/25MM/ W PC.261
Required Categories
BODY MATERIAL
VALVE SIZE
MAXIMUM INLET PRESSURE RATING
SPECIAL FEATURES
III
Required Description
IRON, CAST
1.000 INCHES
150.0 POUNDS PER SQUARE INCH
1" STANDARD
PENERATOR