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Cashco Model 2171


The Model 2171 is a stainless steel back pressure/relief regulator designed to handle small to mid-ca pacity flow rates in general, chemical or cryogenic services. This unit is capable of controlling inlet pressure to setpoint levels between 5 and 500 psig (.34 and 20.6 Barg).


High Stability: High mass plug allows dampening of high frequency disturbances from inlet or outlet side of regulator.

Trim Removal: Easily removable trim from valve while in-line by removing screwed-on spring chamber.

Trim Selections: Seven different trim combinations for metallic or composition seated designs.

Flow-thru Angle Design: Two side inlet ports; Bottom outlet port.

Globe Design 1/2″ Size: One side inlet port; one side outlet port.



Designed to control a wide range of fluids including industrial gases, air, oil, steam, water and many chemicals. See Table 1 for more information. Available for cryogenic service and NACE applications.

Via Cashco




Additional information


Chemical, Engineering, Food & Beverage, Oil & Gas, Pharmaceutical, Power Generation, Pulp & Paper, Refining, Water & Wastewater