Screw-on System of ST Series Hydraulic Screw-on Couplings allows high pressure applications confidently.
| Shut-off System | Poppet Valve |
| Material | Carbon steel |
| Thread Size | BSP (Upon Request: NPT, Metric) |
| Sealing | Nitrile O-ring (NBR) |
| Working Temperature | -30 °C and +110 °C |
| Plating | Zinc Plating (Cr III Passivation) |
| Connection System | Screw-on system |
| Disconnection System | Screw-on system |
| Connection Under Pressure | Not Allowed |
| Disconnection Under Pressure | Not Allowed |
| Upon Request | VITON & High temperature resistant special spring (-30 °C & +225 °C) |
| Applications | Construction, production, national defense, aviation, |
| mobile hydraulic, mining | |
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