1.机型编号:VA
2.口径:8:14",10:38",15:1/2",20:3/4",25:1",40:1-1/2,50:2",80:3
3.本体材质: AC-Aceta,pP- Polypropylene, AL-Aluminum,KY-Kynar@(PVDF), SS-SUS 316, Cl-Cast Iron
4.球座材质:AC- Acetal, PP-Polypropylene,HY-Hytrel, SP-Santoprene
5.球阀材质: AC-Acetal,HY- Hytrel@SS-sUS316,SP- Santoprene,GE-Geolast. BN-Buna-NVT-Viton. TF-Teflon
6.膜片材质:TF- Teflon@,HY- Hytrel,BN-Buna-NVT- Viton@,SP-Santoprene, GE-Geolast