Suitable for all flanged piping materials above ground or in chamber Flange and drillings to ISO7005-2 ( BS EN1092-2:1997,DIN2501) Use : For water , sewage and neutral liquids to max .70°C The dismantling joint enables easy installation and dismantling of isolating valves , non return valves , flow metering equipment , pumps etc. It compensates for axial displacement of the pipe during installation/dismantling . Features: 1) Follower gland ring : Ductile Iron GGG500-7 2) Flanged Adaptor bodies : Ductil 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’ request . 5) Tie Rods : Carbon Steel Grade 4.8 with Zinc Coating , Epoxy Coating or Dacromet Coating ; Or Stainless Steel upon customers’ request . 6) Gaskets material : For water or Gas : NBR Grade A . for drinking water : EPDM rubber to BS2494:1990 type W . for drinking water and sewage : SBR Grade F . 7) Body Coating : Fusion Bonded Epoxy Coating inside and outside , or bitumen 8) Sizes : DN50 - DN2000 9) Pressure Grade : PN10 / 16 / 25 /40 10) Package : Bubble plastic bags , Cartons and Wooden cases .