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                                  1. 產品類別

                                    產品中心
                                    對夾式止回閥

                                    ◆ 主要技術參數:
                                    型號 公稱壓力PN(MPa) 試驗壓力PS(MPa) 工作溫度(℃) 適用介質
                                    殼體 密封
                                    H71W-16P 1.6 2.4 1.76 ≤200 水、蒸體、油品等
                                    H71H-25Q 2.5 3.75 2.75 ≤235
                                    H71W-25H ≤300
                                    H71W-25P ≤200 硝酸等腐蝕性介質
                                    H71W-40H 4.0 6.0 4.4 ≤300 水、蒸體、油品等
                                    H71W-40P ≤200 硝酸等腐蝕性介質
                                    規格型號 閥體 閥瓣 彈簧
                                    RH71W-25H、RH71W-40H 2Cr13 1Cr13 1Cr18 Ni9Ti
                                    RH71W-16P、RH71W-25P ZG1Cr18 Ni9Ti 1Cr18 Ni9Ti 1Cr18 Ni9Ti

                                    ◆規格尺寸表:

                                    公稱壓力
                                    MPa

                                    公稱通徑
                                    DN
                                    尺寸(mm)
                                    L D1 D2 D3 D4 D5
                                    PN1.0MPa

                                    PN1.6MPa
                                    15 16 52 15 24 31 40
                                    20 19 62 19 30 40 50
                                    25 22 72 24 35 47 58
                                    32 28 83 31 46 56 68
                                    40 31.5 93 39 55 66 78
                                    50 40 108 48 65 78 90
                                    65 46 128 62 80 95 110
                                    80 50 142 76 96 110 128
                                    100 60 162 95 115 132 150
                                    125 90 192 110 125 135 -
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