蜗轮伸缩硬密封蝶阀
WORMED EXTENSION METAL-TO-METAL
BUTTERFLY VALVE
型号:D343H Model: D343H
公称通径:DN50-3000mm Nominal diameter :DN50-3000mm
公称压力:PN0.6-4.0MPa Nominal pressure : PN0.6-4.0MPa
适用温度:≤425℃ Applicable temperature : ≤425℃
材质:碳钢、不锈钢等 Material : carbon steel,stainless steel,etc.
介质::水、蒸气、燃气 Medium: water, steam