AWWA/ANSI 250Psi Rising Stem Resilient Seated Gate Valve
設計標準Design: AWWA C515/C509
結構長Face to Face: ANSI B 16.10
法蘭標準 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