Circle Seal Controls check valves are available for operating pressures up to 10,000 psi, sizes up to 2″ FNPT, and in a variety of materials.
CHECK VALVES OVERVIEW
Operating
Pressure
Body
Materials
Seal
Materials
Temperature
Range
Connection
Size & Type
100
0 – 25 psig
Aluminum; Brass; 316SS
Buna; Viton
-40F to +400F
1/8″ to 3/4″ FNPT
200
H200
200: 0 – 3,000 psig
H200: 0 – 6,000 psig
Aluminum; Brass; Carbon Steel; 303SS; 316SS
Buna; EPR; Flurorsilicone; Kalrez; Neoprene; PTFE; Viton
-320F to +550F
1/8″ to 2″ FNPTxFNPT
(others available; contact Sales for assistance)
2200
0 – 800 psig
Brass; 316SS
Buna; EPR; Fluorosilicone; Neoprene; Viton
-70F to +450F
1/8″ to 1″ MNPTxMNPT
2300
0 – 10,000 psig
Aluminum; Brass; 17-4PH SS; 303SS
Buna; EPR; Neoprene; PTFE; Viton
-100F to +400F
1/8″ to 1″ FNPTxFNPT (also MNPTxMNPT, MNPTxFNPT, FNPTxMNPT)
C200
0 – 5,000 psig
Aluminum; Carbon Steel; 303SS; 316SS
Buna; PTFE; Viton
-100F to +400F
3/4″ diameter to 1-5/8″ diameter
C2900
0 – 3,000 psig
Brass; Carbon Steel; 303SS; 316SS
Buna; EPR; Viton
-65F to +300F
1/2″ diameter to 1-7/32″ diameter
BIVCO
0 – 400 psig (decreases as size increases)
Brass; Carbon Steel; 316SS
PTFE
-65F to +300F
1/4″ to 2″ FNPTxFNPT
For assistance with or additional information on any of these products, please contact sa***@fl*****************.com.