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                                  1. 產品類別

                                    產品中心
                                    DHH44微阻緩閉消聲止回閥

                                    DHH44微阻緩閉消聲止回閥主要零件材料
                                    零件名稱 材 料
                                    閥體 灰鑄鐵、碳鋼
                                    蝶 板 碳鋼
                                    密封目 丁腈橡膠
                                    閥桿 不銹鋼
                                    緩沖油缸 不銹錒

                                    DHH44微阻緩閉消聲止回閥主要技術參數

                                    型號 公稱壓力 試驗壓力Ps(MPa) 工作溫度(℃) 適用介質
                                    殼體 密封
                                    DHH44X
                                    DHH44H
                                    1.0 1.5 1.1 0-80℃ 清水、污水、
                                    海水、泥漿水
                                    1.6 2.4 1.75

                                    DHH44微阻緩閉消聲止回閥主要外形尺寸(法蘭連接尺寸:按JB/T79 94標準)

                                    公稱通徑
                                    DN(mm)
                                    尺 寸(mm)
                                    L H B
                                    200 230 550 450
                                    250 250 630 520
                                    300 270 690 590
                                    350 290 780 670
                                    400 310 860 750
                                    450 330 910 780
                                    500 350 980 850
                                    600 390 1070 970
                                    700 430 1220 1080
                                    800 470 1320 1200
                                    900 510 1430 1300
                                    1000 550 1550 1450
                                    1200 630 1800 1670
                                    1400 710 1980 1880
                                    1600 790 2150 1950
                                    2000 950 2550 2450

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