法蘭消聲止回閥HC41XFlange silencing check valve HC41X公稱通徑 Nominal diameter: DN50~DN500公稱壓力 Nominal pressure: PN1.0~1.6MPa適用介質 Applicable medium:水、油、氣等 Water,oil,steam etc適用溫度 Applicable temperature: -45℃- 150℃