拍門
拍門 Flap valve 公稱通徑 Nominal diameter: DN50-DN2000 公稱壓力 Nominal pressure: PN0.6~1.6MPa 適用介質(zhì) Applicable medium:水、油、氣 Waterl,Oil,steam 適用溫度 Applicable temperature: -10℃- 150℃