Refer to that of trunnion ball valve for main sizes and weights of metal to metal sealed trunnion ball valve,of which the flange dimensions and face to face dimensions are the same as that of soft sealing trunnion ball valve.
Typical Drawing Of Metal To Metal Sealed Trunnion Ball Valve And Parts Composition
1-Body 2-Stud 3-Nut 4-O ring 5-Bush 6-Washer 7-Stem 8-Key 9-Key 10-O ring 11-Gasket 12-Gland 13-Bolt 14-O ring
15-Worm gear 16-Ball 17-O ring 18-Seat 19-Spring 20-Gasket 21-Stud 22-Nut 23-Bonnet 24-Trunnion 25-O ring 26-Adjusting cushion 27-Down end cap 28-Bolt