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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