CHA Type Stainless Steel Couplings with Rubber Sleeves 1.materical;w2 w4 w5 2.In accordance with BS EN 877:1990

CHA Type Stainless Steel Couplings with Rubber Sleeves1.materical;w2  w4  w52.In accordance with BS EN 877:1990 

3.Applications:

The couplings are for use in domestic, commercial and public buildings in accordance with BS EN 877:1999 for the conveyance of above ground rainwater, domestic drainage and sewage as is permitted to be discharged into public sewers.

5.picture

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CHA Type Stainless Steel Couplings with Rubber Sleeves