Filters
Reset filters
Notes
(1): according to UL approval
(2): minimum pressure at which the valve is completely open.

Hermetic check valves, CLASSIC line

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)
3112W/2
Check Valve
1/4"Flare
PS = 50 bar - 600 PSI
3112W/3
Check Valve
3/8"Flare
PS = 50 bar - 600 PSI
3112W/4
Check Valve
1/2"Flare
PS = 50 bar - 600 PSI
3112W/5
Check Valve
5/8"Flare
PS = 50 bar - 600 PSI
3112W/6
Check Valve
3/4"Flare
PS = 50 bar - 600 PSI
3113W/2
Check Valve
1/4"Flare
PS = 50 bar - 600 PSI
3113W/3
Check Valve
3/8"Flare
PS = 50 bar - 600 PSI
3113W/4
Check Valve
1/2"Flare
PS = 50 bar - 600 PSI
3113W/5
Check Valve
5/8"Flare
PS = 50 bar - 600 PSI
3113W/6
Check Valve
3/4"Flare
PS = 50 bar - 600 PSI
3132W/2
Check Valve
1/4"ODS
PS = 50 bar - 600 PSI
3132W/3
Check Valve
3/8"ODS
PS = 50 bar - 600 PSI
3132W/M10
Check Valve
10mm ODS
PS = 50 bar - 600 PSI
3132W/M12
Check Valve
12mm ODS
PS = 50 bar - 600 PSI
3132W/4
Check Valve
1/2"ODS
PS = 50 bar - 600 PSI
3132W/5
Check Valve
5/8"-16mm ODS
PS = 50 bar - 600 PSI
3132W/M18
Check Valve
18mm ODS
PS = 50 bar - 600 PSI
3132W/6
Check Valve
3/4" ODS
PS = 50 bar - 600 PSI
3132W/7
Check Valve
7/8"-22mm ODS
PS = 50 bar - 600 PSI
3133W/2
Check Valve
1/4"ODS
PS = 50 bar - 600 PSI
3133W/3
Check Valve
3/8"ODS
PS = 50 bar - 600 PSI
3133W/M10
Check Valve
10mm ODS
PS = 50 bar - 600 PSI
3133W/M12
Check Valve
12mm ODS
PS = 50 bar - 600 PSI
3133W/4
Check Valve
1/2"ODS
PS = 50 bar - 600 PSI
3133W/5
Check Valve
5/8"-16mm ODS
PS = 50 bar - 600 PSI
3133W/M18
Check Valve
18mm ODS
PS = 50 bar - 600 PSI
3133W/6
Check Valve
3/4" ODS
PS = 50 bar - 600 PSI
3133W/7
Check Valve
7/8"-22mm ODS
PS = 50 bar - 600 PSI
3144W/7
Check Valve
7/8"-22mm ODS
PS = 50 bar - 650 PSI
3144W/M28
Check Valve
28mm ODS
PS = 50 bar - 650 PSI
3144W/9
Check Valve
1.1/8"ODS
PS = 50 bar - 650 PSI
3144W/11
Check Valve
1.3/8"-35mm ODS
PS = 45 bar - 650 PSI
3144W/13
Check Valve
1.5/8" ODS
PS = 45 bar - 650 PSI
3144W/M42
Check Valve
42mm ODS
PS = 45 bar - 650 PSI
3144W/17
Check Valve
2.1/8" 54mm ODS
PS = 45 bar - 650 PSI
3144W/21
Check Valve
2.5/8" ODS
PS = 45 bar - (2) PSI
3144W/25
Check Valve
3.1/8" ODS
PS = 45 bar - (2) PSI
3145W/7
Check Valve
7/8"-22mm ODS
PS = 50 bar - 650 PSI
3145W/M28
Check Valve
28mm ODS
PS = 50 bar - 650 PSI
3145W/9
Check Valve
1.1/8"ODS
PS = 50 bar - 650 PSI
3145W/11
Check Valve
1.3/8"-35mm ODS
PS = 45 bar - 650 PSI
3145W/13
Check Valve
1.5/8" ODS
PS = 45 bar - 650 PSI
3145W/M42
Check Valve
42mm ODS
PS = 45 bar - 650 PSI
3145W/17
Check Valve
2.1/8" 54mm ODS
PS = 45 bar - 650 PSI
3145W/21
Check Valve
2.5/8" ODS
PS = 45 bar - (2) PSI
3145W/25
Check Valve
3.1/8" ODS
PS = 45 bar - (2) PSI
3184W/7
Right-angle Check Valve
7/8"-22mm ODS
PS = 50 bar - 600 PSI
3184W/M28
Right-angle Check Valve
28mm ODS
PS = 50 bar - 600 PSI
3184W/9
Right-angle Check Valve
1.1/8" ODS
PS = 50 bar - 600 PSI
3184W/11
Right-angle Check Valve
1.3/8" ODS
PS = 45 bar - 600 PSI
3185W/7
Right-angle Check Valve
7/8"-22mm ODS
PS = 50 bar - 600 PSI
3185W/M28
Right-angle Check Valve
28mm ODS
PS = 50 bar - 600 PSI
3185W/9
Right-angle Check Valve
1.1/8" ODS
PS = 50 bar - 600 PSI
3185W/11
Right-angle Check Valve
35mm ODS
PS = 45 bar - 600 PSI