Hydraulic Ball-Center Automatic Union
BT Series Hydraulic Ball-Center Automatic Unions are used as hydraulic quick couplings in many industrial areas.
In the BT Series, the male ends are hardened by heat treatment.

| Valve System | ball bearing |
| Material | Free Cutting Steel |
| Screw Size | BSP (Optional: NPT, Metric) |
| Sealing | Nitrile O-ring (NBR) |
| Operating temperature | -30 °C to +110 °C |
| Covering | Galvanized (Chrome III passivation) |
| Heat Treatment | Automatic Male Record |
| Docking System | The ring is pulled back |
| Extraction System | The ring is pulled back |
| Pluggable Under Pressure | can't be done |
| Removable Under Pressure | can't be done |
| In Special Circumstances | VITON & Heat resistant special spring (-30 °C to +225 °C) |
| Usage Area | General industrial applications |




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