Sterling Hydraulics
Progressive Power & Control is an Indiana distributor of hydraulic load control cartridge valves and hydraulic manifold systems from Sterling Hydraulics.
Cavities and Line Bodies
Sterling Check Valves
- Check valve packages
- Direct acting Pilot operated Pilot pistons
- Directional valves
- Air operated
- Poppet
- 2 position
- 2 way
- Normally closed
- Manually operated
- Pilot operated
Sterling Diverter Valves
- Normally closed
- Normally open
Sterling Flow Control Valves
- Flow divider/combiner valves, Spool type
- Flow regulator valves/proportional control
- Flow regulator/restrictor valves
Sterling Load Control Valves
- 3 port, Independent of back pressure
- 4 port, Independent of back pressure,
- Vented to drain line
- Damped, For inherently unstable application
- Restrictive ports 3 to 2
- Semi restrictive ports 3 to 2
- Standard version
- Standard version with surge relief
Sterling Pressure Regulating Valves
- Direct acting, Spool type with relieving feature
- Pilot operated, Spool type with relieving feature
- Proportional control
Sterling Relief Valves
- Crossover combined in one cartridge
- Direct acting External pilot operated, Unloading
- Pilot operate
- Pressure equipment directive (PED 97/23/EC) compliant to hazard category IV
- Proportional control
Sterling Sequence Valve
- Direct acting
- Pilot operated
Sterling Shuttle Valves
- Ball type, Two position, Three way
- Poppet type, Two position, 3 way
- Three position, Three way
- Two position
Sterling Solenoid Valves
- Coils
- Poppet, 2 position, 2 way
- Proportional controllers
- Proportional valves
- Spool