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                            法蘭安全閥

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                            真空負壓安全閥
                            所屬系列:法蘭安全閥
                            檢索關鍵字:真空負壓安全閥
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                            真空負壓安全閥(TFA72W)
                            Description:

                            TFA72W-10P/10R
                             TFA72W適用于溫度≤200℃的負壓系統,當容器內負壓超過允許值時,該閥自動開啟,吸入空氣;
                            當容器內負壓達到允許值時,該閥自動關閉,從而保護設備及系統。安裝在正常非負壓系統,當容器和系統的放散閥未打開,產生負壓時,此閥自動開啟。
                            tive pressure system with temperature 200 . When the netative pressure in the container exceeds the allowable value, the valve will open automatically and absorbs air When the netative pressure in the container  reaches the allowable value, the valve will  close automatically so as to protect  the equipment  and the system. It  is to be installed in normal  non-negative pressure systems. When the discharge valve of  the container  and system has not opened,  which produces the negative pressure, this valve will open TFA72W is applicable in nega-automatically.
                            主要性能規范
                            NO. Name of part TFA72W-P Materials TFA72W-R Materials
                            1   Body ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
                            2   Seat 1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
                            3  Adjusting ring 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
                            4   Bonnet ZG1Cr18Ni9Ti 1Cr18Ni9Ti
                            5   Stem 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
                            6   Spring 50CrVA 50CrVA  Coated Teflon

                            Working temperature 200
                            Suitable medium TFA72W-10P  Nitric acid etc. medium
                            TFA72W-10R  Acetic acid etc. medium

                            主要零部件材料 Explanation of materials for main parts
                            Nominal diameter
                            DN(mm)
                              Dimensions
                            D D1 D2 Z- d b f1 H
                            15 95 65 45 4-14 14 2 110
                            20 105 75 55 4-14 16 2 130
                            25 115 85 65 4-14 16 2 150
                            32 140 100 78 4-18 18 2 180
                            40 150 110 85 4-18 18 3 200
                            50 165 125 100 4-18 20 3 221
                            80 200 160 135 4-18 22 3 245
                            100 220 180 155 8-18 22 3 253
                            125 250 210 185 8-18 24 3 280
                            150 285 240 210 8-23 24 3 329
                            200 340 295 265 8-23 26 3 377
                            250 395 350 320 12-23 28 3 440
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