Specification :

Materials List
No Part Material ASTM Spec.
1 Body Cast Iron ASTM A126 Class B
2 Seat Ring Cast Bronze ASTM B62 C83600
3 Wedge Ring Cast Bronze ASTM B62 C83600
4 Wedge Cast Iron ASTM A126 Class B
5-1 Stem Brass ASTM B16 C36000
5-2 Stem Stainless Steel AISI 420
6 Bonnet Cast Iron ASTM A126 Class B
7 Backseat Bushing Cast Brass
ASTM B584
8 Packing Graphite Non-asbestos
9 Handwheel Cast Iron ASTM A126 Class B