Specification :

Materials List
No. Part Materials ASTM Spec.
1 Body Cast Iron ASTM A126 Class B
2 Seat Ring Cast Bronze ASTM B62 C83600
3 Disc Cast Bronze ASTM B62 C83600
4 Gasket Graphite Non-asbestos
5 Bonnet Cast Iron ASTM A126 Class B
6 Packing Graphite Non-asbestos
7-1 Stem Brass ASTM B 16 C3600
7-2 Stem Stainless Steel AISI 420
8 Yoke Bushing Cast Bronnze ASTM B62 C83600
9 Handwheel Cast Iron ASTM A126 Class B