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Integral pocket with permanently flexible non-toxic sealant.
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Available in standard Euro sizes of 20mm, 30mm and 40mm.
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Fully conforms to UK, B&ES Specification DW/144 (2013).
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Awarded Quality Assurance Certification BS EN ISO 9001.
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Full range of accessories to suit all sizes of flange.
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Tested & certified by BSRIA in accordance with the B&ES (formally HVCA) test procedures DW/TM1.
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Suitable for B&ES specification DW/144 for Joint Ratings up to J6 and pressure classes A, B, C & D.
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Base material - Hot rolled steel to BS EN 10111:1998,