For joint ratings up to J4 and pressure classes A, B & C
|For use with Doby flange system; corner piece, clips, clamp and gasket
• Doby and Xcel flange sections feature an integral pocket with permanently flexible non-toxic sealant
• Tested and certified to BSRIA in accordance with HVCA test procedures DW/TM1
• Conforms to specification DW144
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