COMPONENTS
| 1 | Body | Cast iron or ductile iron | | 2 | Disc | Cast iron or ductile iron | | 3 | Seat | Brass/stainless steel | | 4 | Stem | Cast iron or Ductile iron | | 5 | Bonnet | Stainless steel | | 6 | Hand wheel | Cast iron or Ductile iron | | | Application
| 1 | Face to face is according to BS5163:1986 | | 2 | Flange drilled is according to BS4504&BS10 table E or D | Test
| Working pressure | PN16 | | Test pressure shell | 15bars | 24bars | | Seat | 11bars | 17.6bars | |
