Material List
item parts material
1 plastic cover plastic
2 handle aisi 304
3 thrust washer ptfe
4 packing ring aisi 304
5 stenm pavcking ptfe
6 seat ptfe
7 stem aisi 316
8 stenm nut aisi 304
9 ball astm-astm-a351 cf8m
10 cap aisi316 or astm-a351 cf8m
11 body astm-a351 cf8m