Sun Hydraulics check valves feature high flow capacity relative to a small physical size. Sun check cartridges can be conveniently applied using many mounting options.
- Available with free flow from port 1 to port 2 or port 2 to port 1
- Available in three port versions with port 3 blocked
- Capable of operating at pressures up to 5000 psi (350 bar)
- Available with flow capacities up to 160 gpm (600 L/min.)

Free Flow Nose to Side
- Maximum operating pressure = 5000 psi
- Maximum valve leakage = 1 drop/min.
- Will accept 5000 psi at ports 1 and 2.

Free Flow Side to Nose
- Maximum operating pressure = 5000 psi
- Maximum valve leakage = 1 drop/min.
- Will accept 5000 psi at ports 1 and 2.
- CXAD only available with 4, 30 and 75 psi cracking pressures.

Free Flow Side to Nose, Port 3 Blocked
- Maximum operating pressure = 5000 psi
- Maximum valve leakage = 1 drop/min.
- Will accept 5000 psi at ports 1 and 2.

Free Flow Nose to Side with Bypass Orifice
- Maximum operating pressure = 5000 psi
- Will accept 5000 psi at ports 1 and 2.
- Orifice range = CNBC, CNDC: 0.015 – 0.062 in., CNFC: 0.015 – 0.078 in., CNHC: 0.015 – 0.094 in., CNJC: 0.015 – 0.125 in.

2 To 1 Free Flow, with Customer Specified Orifice, Port 3 Blocked, 3 Port Cavity
- Maximum operating pressure = 5000 psi
- Will accept 5000 psi at ports 1 and 2
- Orifice range = CNCD: 0.015 – 0.062 in., CNED: 0.015 – 0.078 in., CNGD: 0.015 – 0.094 in., CNID: 0.015 – 0.125 in.