1. Body: Carbon Steel
2. Disc: Carbon Steel+EPDM
3. Stem: Stainless Steel, Inox
4. Bonnet Gasket: EPDM, Graphite
5. Bonnet: Carbon Steel
6. Sealing Ring: EPDM
7. O Ring: EPDM
8. Stem Nut: Brass, Bronze
9. Holding Ring: Brass
10. Handwheel: Ductile Iron
Design and Manufacture: BS5163
Face to Face Dimension: BS5163
Flange End Dimension: EN1092