QCHD Series Hydraulic High Pressure Quick Couplings' great resistance to pressure peaks preventing damage from high velocity fluid and hydraulic shocks allows applications involving high pressure impulses for hammers & breakers.
QCHD Series Couplings are completely hardened by heat treatment.
| Interchangeability | ISO 7241-A |
| Shut-off System | Poppet Valve |
| Material | High grade 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) |
| Heat Treatment | Through Hardening |
| 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), |
| Polyurethane (PU) | |
| Applications | Construction, production, national defense, aviation, |
| mobile hydraulic, mining |
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