本公司销售瑞士HO-Matic球阀，制动阀，Series30TypeG:screwconnectionG2"Parts/materialspecificati***Pos.01Housing,notincontactwithmediumaluminiumcastingG-AlSi7Mg,age-hardened,powder-coatedsilver-greyPos.02ThreadedcoverPOMplastic(polyoxymethylene),naturalwhitePos.03ScrewsgalvanizedsteelPos.04Sleeve)