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- Check Valve
- Poppet Style
- Pilot Operated Operation
| Leakage | 0.25 cc/min |
| Recommend Filtration Level | 18/16/13 microns |
| Pilot Piston Seal | Yes |
| Operation | Pilot Operated |
| Installation | Screw-in Cartridge |
| Pressure [Max] | 5000 psi |
| Cavity | AXP12336 |
| No. of Valve Ports | 3 |
| No. of Housing Ports | 3 |
| Flow [Max] | 23 gal/min |
| Housing | Yes |
| Temperature Range [Max] | 194 °F |
| Valve Material | Steel |
| Style | Poppet |
| Compatible Fluids | MIL–H–5606, SAE 10, SAE 20, etc |
| Seal Material | Nitrile |
| Temperature Range [Min] | -22 °F |
| Series | 4CK90 |
| Model No. | 4CK958TS |
| Pilot Ratio | 4:1 |
| Housing Material | Aluminum |
| Weight | 2.0 LB |
