Standard: BS5153,DIN3202-F6,DIN3201-F1, AWWA C508
Flange drilling is according to BS4504, DIN2501, and ANSI B16.1
Working pressure: 10bar/16bar/25bar
Testing pressure:
Shell: 15bar/24bar/37.5bar
Seal: 11bar/17.6bar/27.5bar
Material: Ductile iron GGG40/50 or Cast IronGG25
Disc seat ring: Brass/Bronze/Stainless steel/ EPDM
Body seat ring: Brass/Bronze/Stainless steel
Bolt and Nuts: Carbon Steel with zinc plated or SS304,316
Coating: Internal and external with fusion bonded epoxy coating min250μm or Liquid Epoxy painting
