詳細介紹 對夾升降式止回閥◆ 主要技術(shù)參數(shù): 型號公稱壓力PN(MPa)試驗壓力PS(MPa)工作溫度(℃)適用介質(zhì)殼體密封SH71W-16T1.62.41.76≤200水、蒸體、油品等SH71H-25Q2.53.752.75≤235SH71W-25H≤300SH71W-25P≤200硝酸等腐蝕性介質(zhì)SH71W-40H4.06.04.4≤300水、蒸體、油品等SH71W-40P≤200硝酸等腐蝕性介質(zhì)規(guī)格型號閥體閥瓣彈簧SH71H-16Q、H71H-25QQT400-152550CrCASH71W-25H、H71W-40H2Cr131Cr131Cr18Ni9TiSH71W-16P、H71W-25PZG1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti◆規(guī)格尺寸表:公稱壓力MPa公稱通徑DN尺寸(mm)LD1D2D3D4D5PN1.0MPaPN1.6MPa151652152431402019621930405025227224354758322883314656684031.59339556678504010848657890654612862809511080501427696110128100601629511513215012590192110125135-