Body：WCB,CF8,CF8M,CF3,CF3M,LCB,LC1,LC2 and other material

Bonnet：WCB,CF8,CF8M,CF3,CF3M,LCB,LC1,LC2 and other material

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

Ball：A105,F304,F316,F304L,F316L,F6a,LF2 nd other material

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

Support Ring:A105+ENP,F304,F316,F304L,F316L and other material

O Ring:VITON,NBR and other material

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

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

Bottom Cover:A105,F304,F316,F304L,F316L,LF2,LF5,LF9 and other material

Gland: A105,F304,F316,F304L,F316L,LF2,LF5,LF9 and other material

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