无油式气压室,免润滑. .气压室外采用陶瓷阀,耐磨性高. .气压慢速运转,绝不卡机 .零件少,组装容易. .自吸能力强. 型号说明 VA-25-PP-PP-TF-TF 1.机型编号:VA 2.口径8:1/4”,10:1/8”,15:1/2”,20:3/4”,25:1”,40:1-1/2”,50:2”,80:3” 3.泵体材质:AC-Acetal,PP-Polypropylene,AL-Aluminum,KY-PVDf,SS-SUS316,CL-CAST LRON 4.球座材质:AC-Aetal,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-Geolasa