Specifications parts namematerialsbody & bonneta 126 gr. B/a gr. Wcb/a 351 g/ft³ 8/8m/cf 3/3mwcb/seat & discc. S, 13% cr. Face/ca 15a. Aisi410/caf/graphite asbestos/ptfe/sp. Wound with caf/graphite filledgland packinggrafoil/braided asbestos/ptefhand wheels. G iron, /ductile ironfastenersc. S/b7/2h/ss 304/316standard of compliance valve designbs 1873 / ansi b 16. 34pressure testingbs 6755 part ipressure, Temp. Ratingansi b 15. 34face to faceansi b 16. 10/ din std. Flange drillingansi b 16. 5 / bs 10 table/ din/ is std. Butt weld endansi b 16. 25socket weld endansi b 16. 11screwed endansi b 1. 20. 1 / ansi b 3. 1 bsp/npt