Components
1 Body Cast iron or ductile iron
2 Disc Cast iron or ductile iron
3 Seat Brass
4 Stem Carbon steel or stainless steel
5 Bonnet Cast iron or ductile iron
6 Hand wheel Cast iron or ductile iron
Application
1 Face to face BS1218:1946
2 Flange end BS10 Table E or D
3 Coating epoxy powder inside and outside,200-300um,for potable water  
Test
Working pressure PN10/PN16
Shell pressure 15bars/24bars
Seat pressure 11bars/17.6bars
Dimensions Unit:inch  
DN 2" 2-1/2" 3" 4" 5" 6" 8" 10" 12"
L 8-1/2" 9" 9" 10" 10-1/2" 11" 12-1/2" 14" 15"
H 16" 16-5/8" 17-3/8" 19-5/8" 21-3/4" 24-1/2" 28-1/2" 33" 37"
D 6" 6-1/2" 7-1/4" 8-1/2" 10" 11" 13-1/4" 16" 18"
g 4-1/2" 5" 5-3/4" 7" 8-1/4" 9-1/4" 11-1/2" 14" 16"