Model: R37121-100
System Pressure Regulating ValveProperties:
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.
Part R37121-100 NSN 4820-01-259-1123
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 8481809015
- SITC: 74780
- End Use: Industrial machines, other
- NAICS: 332911
- USDA: 1
Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
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