Coupling

Coupling

Designed and manufactured under quality management systems to BS EN ISO 9001. They have been tested in accordance with the requirements
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Description


Designed and manufactured under quality management systems to BS EN ISO 9001. They have been tested in accordance with the requirements of WRc Water Bye-laws Scheme and conform to the American Water Works Associations standard. Suitable for: natural gas, petroleum products, low aromatic fuels, compressed air, sewage and drainage.

Design Features and Standards Compliance:
» Centre Sleeve/End Rings: SG. Iron to BS 1563:1997: Symbol EN-GJS-450-10 or Rolled Steel to: BS EN 10025:2004:Grade S275.
» Flange Adaptor Body: Ductile Iron to BS EN 1563 EN-GJS-450-10. or Mild Steel to: BS EN 10025:2004:Grade S275.
» Studs - Bolts/Nuts/Washers: Studs/Bolts - Cold Forged Steel Fasteners to: BS EN ISO898-1: 2001 Property Class 8.8 Nuts - Steel BS EN 20898-2:1994 Property Class 8, Washers - BS 4320 Form B Stainless Steel BS 1449:PT2:1983 Grade 304 S15
» Coating: Body, Centre Sleeve, End Rings are coated in Rilsan Nylon 11 toWIS4-52-01 Part 1. Bolts, studs and nuts are Sheraplex coated toWIS4-52-03.
» Gaskets: EPDM compound Grade ‘E’ to BS EN 681-1 WRAS listed. Suitable for: water, sewage, many strong and oxidizing chemicals and food applications. Nitrile compound Grade ‘G’ to BS EN 682-1.
» Size Range: 2”~12”


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