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The 684 check valve permits flow in one direction only, thus eliminating the possibility of back flow. It is suitable for any noncorrosive gas or liquid flow. The simple, reliable design uses O-ring seals to insure bubble tight sealing even with very low back pressures.
Type | Check Valve |
---|---|
Maximum Rated Pressure | 6000 psi |
Nominal Orifice Size | 0.047 in diameter |
Inlet Port Size | 1/2 in MNPT |
Outlet Port Size | 1/2 in FNPT |
Outlet Pressure Rating | 6000 si |
Flow Coefficient | 0.55 (0.28 in orifice) |
Minimum Temperature | -15ºF |
Body Material | Anodized Aluminum |
Seal Materials | Viton |
Weight | 4.9 oz (140 g) |
Overall Length | 2.6 in |
Hex Diameter | 1-3/8 in |
Special Notes | Open pressure: 3 to 8 psi |