| 1 | Body | Cast iron or ductile iron |
| 2 | Seat | Brass |
| 3 | Disc | Cast iron or ductile iron |
| 4 | Pin | Carbon steel or stainless steel |
| 5 | Bonnet | Cast iron or ductile iron |
| 6 | Hanger | Cast iron or ductile iron |
| 1 | Design according to BS5153 PN10/PN16 |
| 2 | Flange end BS4504 Table E or D |
| Working pressure | PN10 | PN16 |
| Shell pressure | 15bars | 24bars |
| Seat pressure | 11bars | 17.6bars |
| DN | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 8″ | 10″ | 12″ |
| L | 6-1/2″ | 5″ | 8-1/2″ | 9-1/2″ | 11-/1/2″ | 13″ | 14″ | 19-1/2″ | 24-1/2″ | 27-1/2″ |
| H | 5″ | 5-1/8″ | 5-1/3″ | 6″ | 7-1/3″ | 7-3/4″ | 9-1/4″ | 11-1/4″ | 12″ | 13-7/8″ |
| D(PN10) | 6″ | 6-1/2″ | 7-3/10″ | 7-9/10″ | 8-7/10″ | 10″ | 11″ | 13-4/5″ | 15-1/2″ | 17-1/2″ |
| D(PN16) | 6″ | 6-1/2″ | 7-9/10″ | 7-9/10″ | 8-7/10″ | 10″ | 11″ | 13-4/5″ | 16″ | 18″ |