1 | Body | Cast iron or ductile iron |
2 | Seat | Brass |
3 | Disc | Cast iron or ductile iron |
4 | Hanger | Cast iron or ductile iron |
5 | Pin | Carbon steel or stainless steel |
6 | Bonnet | Cast iron or ductile iron |
1 | Face to face BS4090 |
2 | Flange end BS10 Table E or D |
3 | Nominal Pressure PN10/PN16 |
Working pressure | PN10/PN16 |
Shell pressure | 15bars/24bars |
Seat pressure | 11bars/17.6bars |
DN | L | H | D |
K
|
1-1/2″ | 6-1/2″ | 5″ | 5-5/16″ | 3-7/8″ |
2″ | 8″ | 5-1/8″ | 6″ | 4-1/2″ |
2-1/2″ | 8-1/2″ | 5-1/3″ | 6-1/2″ | 5″ |
3″ | 9-1/2″ | 6″ | 7-1/4″ | 5-3/4″ |
4″ | 11-1/2″ | 7-1/3″ | 8-1/2″ | 7″ |
5″ | 13″ | 7-3/4″ | 10″ | 8-1/4″ |
6″ | 14″ | 9-1/5″ | 11″ | 9-1/4″ |
8″ | 19-1/2″ | 11-1/4″ | 13-1/4″ | 11-1/2″ |
10″ | 24-1/2″ | 12″ | 16″ | 14″ |
12″> | 27-1/2″ | 13-7/8″ | 18″ | 16″ |