1 | Body | Cast iron or ductile iron |
2 | Seat | Brass |
3 | Disc | Cast iron or ductile iron |
4 | Stem | Carbon steel or stainless steel |
5 | Bonnet | Cast iron or ductile iron |
6 | Hand wheel | Cast iron or ductile iron |
1 Design according to BS5152 |
2 Flange end BS4504 |
3 Nominal Pressure PN10/PN16 |
Working pressure | PN10 | PN16 |
Shell pressure | 15bars | 24bars |
Seat pressure | 11bars | 17.6bars |
DN | 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 8″ | 10″ | 12″ |
L | 8″ | 8-1/2″ | 9-1/2″ | 11-1/2″ | 13″ | 14″ | 19-1/2″ | 24-1/2″ | 27-1/2″ |
H | 10-3/4″ | 11-3/4″ | 12-1/4″ | 13-7/8″ | 14-3/4″ | 16-3/4″ | 20-1/4″ | 24-1/2″ | 30″ |
D | 6-1/2″ | 7-3/10″ | 7-9/10″ | 8-7/10″ | 10″ | 11″ | 13-4/5″ | 16″ | 18″ |
C | 7″ | 7″ | 8″ | 10″ | 10″ | 12″ | 14″ | 16″ | 18″ |