Filters
Reset filters
Notes
(1): according to UL approval

Start pressure regulators, CLASSIC line

These are regulators commonly used in low-temperature refrigeration systems. They are designed to prevent the compressor motor from overloading when the intake pressure exceeds the manufacturer’s recommended operating pressure.
Accessories for use with the following ASHRAE 34:2019 refrigerants, Class A1:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
3320/4
Crankcase Pressure Regulator
1/2"Flare
PS = 28 bar - 405 PSI
3320/5
Crankcase Pressure Regulator
5/8"Flare
PS = 28 bar - 405 PSI
3320/M12S
Crankcase Pressure Regulator
12mm ODS
PS = 28 bar - 405 PSI
3320/4S
Crankcase Pressure Regulator
1/2"ODS
PS = 28 bar - 405 PSI
3320/5S
Crankcase Pressure Regulator
5/8"-16mm ODS
PS = 28 bar - 405 PSI
3320/7S
Crankcase Pressure Regulator
7/8"-22mm ODS
PS = 28 bar - 405 PSI
3320/9S
Crankcase Pressure Regulator
1.1/8"ODS
PS = 28 bar - 405 PSI
3320/M28S
Crankcase Pressure Regulator
28mm ODS
PS = 28 bar - 405 PSI
3320/11S
Crankcase Pressure Regulator
1.3/8"-35mm ODS
PS = 28 bar - 405 PSI