CCH is a check valve for non-corrosive liquids such as coolant and water. The spring and main valving element are outside the flow path, which minimizes problems of caught foreign matter and clogging. Ports are Rc3/8, Rc1/2 and Rc3/4, and the maximum working pressure is 7.0 MPa.
| Working Fluid | Coolant / water / other non-corrosive liquids that do not affect stainless steel, chrome plating or FKM |
| Fluid Viscosity | 500 mm²/s or less |
| Max. Working Pressure | 7.0 MPa |
| Proof Pressure | 14.0 MPa (water pressure) |
| Fluid Temperature | -10 to 60 °C (no freezing) |
| Ambient Temperature | -10 to 60 °C |
| Cracking Pressure | 6 kPa (reference value: pressure permitting a 5 mL/min (air) flow rate) |
| Valve Seat Leakage | 1.0 cm³/min or less (water pressure) |
| Port Size | CCH-10: Rc3/8 | CCH-15: Rc1/2 | CCH-20: Rc3/4 |
| Cv | CCH-10: 3.6 | CCH-15: 6.9 | CCH-20: 11.0 |
| Weight | CCH-10: 0.27 kg | CCH-15: 0.44 kg | CCH-20: 0.88 kg |
| Thread | Rc / G / NPT |
| Body Material | Stainless steel (SUS303) |
| O-ring Material | FKM |
| Mounting Orientation | Unrestricted |