No. | Part | Material |
1 | Body, Bonnet, Wedge, Stuffing box Gland, Thrust plate, Cap & Yoke (only in rising sterm) | Cast iron, SG iron (Ductile), Cast steel |
2 | Hand wheel | Cast iron, SG iron |
3 | Stem | Stainless steel AISI: 410, 202,304
High tensile brass |
4 | Wedge nut, back seat bush
(only in rising stem) | High tensile brass / Leaded tin
bronze (gun metal) |
5 | Body seat rings, Wedge facing
rings & Bushes | Stainless steel AISI: 410, 202, 304
Leaded tin bronze (gun metal) |
6 | Nuts, Bolts | Carbon steel, Stainless steel |
7 | Gaskets | CAF, Rubber |
8 | Gland packing | Jute, Hemp, Asbestos, Graphite |
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