Fig. A: Special union inserts with Whitworth male thread (DIN EN 10226-1) and female thread for choice between threaded connections and solder joints on copper pipe (DIN EN 1057)
Fig. B: Union inserts with female threads for connection to copper pipes (DIN EN 1057) with Whitworth pipe thread in accordance with DIN EN 10226-1.
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1 set of screwed connections consisting of: 2 union nuts, 2 flat gaskets and 2 union inserts, screw or soldering connection
Union insert/ union nut:
- malleable cast iron (GTW, chromated)