AWWA/ANSI 250Psi Rising Stem Resilient Seated Gate Valve
設(shè)計(jì)標(biāo)準(zhǔn)Design: AWWA C515/C509
結(jié)構(gòu)長Face to Face: ANSI B 16.10
法蘭標(biāo)準(zhǔn) Flanges: ASME B 16.42
閥體Body: 球鐵ASTM A536 65-45-12 ; 閘板Wedge: 球鐵 DL+EPDM/NBR
閥桿Stem: AISI 420/2CR13;
環(huán)氧樹脂噴涂Product color: Blue RAL 5017
