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Description:Suitable for all flanged piping materials above ground or in chamber Flanges and drillings conform to ISO7005-2 (BS EN1092-2:1997, DIN2501) standard Use: for water, sewage and neutral liquids to max. 70oC. The dismantling joint enables easy installation and dismantling of isolating valves, non-return valves, flow metering equipment and pumps It compensates for axial displacement of the pipe during installation/dismantling. Features: 1) Follower gland ring: ductile iron GGG500-7 2) Flanged adaptor bodies: ductile iron GGG500-7 3) F-piece pipe: ductile iron GGG500-7 4) Bolts, nuts and washers material: carbon steel Grade 4.8 with zinc coating, epoxy coating or Dacromet coating; or stainless steel upon customers' requests 5) Tie rods: carbon steel Grade 4.8 with zinc coating, epoxy coating or Dacromet coating; or stainless steel upon customers' requests 6) Gaskets material: a) For water or gas: NBR Grade A b) For drinking water: EPDM rubber to BS2494:1990 type W c) For drinking water and sewage: SBR Grade F 7) Body coating: fusion bonded epoxy coating inside and outside, or bitumen 8) Size: DN50 - DN2000 9) Pressure grade: PN10 / 16 / 25 10) Packing: bubble plastic bag, cartons and wooden cases