貫流式止回閥GLH41HCross flow check valve GLH41H公稱通徑 Nominal diameter: DN50-DN500公稱壓力 Nominal pressure: PN1.6~10MPa適用介質 Applicable medium:水、油、氣 Waterl,Oil,steam適用溫度 Applicable temperature: -10℃- 425℃