Body：A105,F304,F316,F304L,F316L and other material

Bonnet：A105,F304,F316,F304L,F316L and other material

Stem：SS410, F6a,SS304,SS316,SS304L,SS316L,17-4PH,XM-19 and other material

Ball：A105,F304,F316,F304L,F316L,F6a and other material

Seat ring:PTFE,CPTFE,RPTFE, PPL,NYLON,MOLON,DEVLON and other material

Disc Spring:60Si2Mo,17-7PH,X-750 and other material

Gasket:PTFE,PPL,304+Graphite, 316+Graphite,304L+Graphite,316L+Graphite and other material

Bolt:A193 B7 ,A320 B8,A193 B8M and other material

Nut:A194 2H,A194 8,A194 8M and other material

Padding:PTFE,PPL, CPTFE,Graphite and other material

Gland: F304,F316,F304L,F316L and other material

Lever: SS201 and other material

Anti-Static：304 Assembly，316 Assembly,304L Assembly,316L Assembly and other material