CL231 Series Regulator

CL231 Series Regulator

» Internal bleed to prevent vapor lock-up
» Internal lower diaphragm chamber pressure flow control
» Wide range of set points available with minimum number of springs
» Compact regulator able to provide flow rates up to 7500 CFH


The CL231 regulator is designed primarily for use in medium size commercial and industrial installations requiring highly accurate pressure regulation. The CL231 can produce substantial savings for users in lower initial costs, lower installation costs, and lower maintenance costs.

Additional information


Commercial, Industrial

Regulator Type

Constant Load Regulator


NPT, Flanged

Connection (Inlet)

1.25 NPT, 1.5 NPT, 2 FLG, 2 NPT, 3 FLG

Connection (size)

1.25 NPT, 1.5 NPT, 2 FLG, 2 NPT, 3 FLG

Range in PSI

1 – 20 PSIG

SCFH or BTUs (in 1,000s)

6000-9000, 4000-6000, 2000-4000, 1000-1500, 750-1000, 500-750


N, R

Vent Type

Indoor, Outdoor


New Mexico, Texas