Standard: BS5153, EN12334, API 609

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: Ductile iron/Aluminum Bronze, Stainless steel

Stem: Stainless steel

Seat: EPDM/Viton

Coating: Internal and external with fusion bonded epoxy coating min250μm or Liquid Epoxy painting