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- 當(dāng)前位置：浙江科菲流體控制有限公司 > 產(chǎn)品中心 > TFA72W真空負(fù)壓安全閥，壓力管道保護(hù)裝置
TFA72W真空負(fù)壓安全閥，壓力管道保護(hù)裝置
詳細(xì)信息TFA72W真空負(fù)壓安全閥是一種安全保護(hù)用閥，它的啟閉件受外力作用下處于常閉狀態(tài)，當(dāng)設(shè)備或管道內(nèi)的介質(zhì)壓力升高，超過規(guī)定值時(shí)自動(dòng)開啟，通過向系統(tǒng)外排放介質(zhì)來防止管道或設(shè)備內(nèi)介質(zhì)壓力超過規(guī)定數(shù)值。安全閥屬于自動(dòng)閥類，主要用于鍋爐、壓力容器和管道上，控制壓力不超過規(guī)定值，對(duì)人身安全和設(shè)備運(yùn)行起重要保護(hù)作用。
TFA72W-10P/10RTFA72W適用于溫度≤200℃的負(fù)壓系統(tǒng)，當(dāng)容器內(nèi)負(fù)壓超過允許值時(shí)，該閥自動(dòng)開啟，吸入空氣；
當(dāng)容器內(nèi)負(fù)壓達(dá)到允許值時(shí)，該閥自動(dòng)關(guān)閉，從而保護(hù)設(shè)備及系統(tǒng)。安裝在正常非負(fù)壓系統(tǒng)，當(dāng)容器和系統(tǒng)的放散閥未打開，產(chǎn)生負(fù)壓時(shí)，此閥自動(dòng)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(guī)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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