ZSPQ氧氣活塞切斷閥由切斷機(jī)構(gòu)與氣動(dòng)活塞執(zhí)行機(jī)構(gòu)組成。切斷機(jī)構(gòu)采用直通單座形成，DN20閥芯為單導(dǎo)向，DN25～200閥芯為雙導(dǎo)向，具有結(jié)構(gòu)簡單、操作方便、使用可靠、快速開閉等特點(diǎn)。主要應(yīng)用于無雜質(zhì)、無顆粒的液體、氣體介質(zhì)，要求快速嚴(yán)密關(guān)閉，快速放空的自動(dòng)控制系統(tǒng)中。 產(chǎn)品符合GB/T4213-92。主要零件材料零件名稱材料閥體、閥蓋ZG270-500、ZG1Cr18Ni9Ti閥桿、閥芯1Cr18Ni9密封填料V型聚四氟乙烯密封墊1Cr18Ni9夾石棉板蝸桿45O型密封圈耐油橡膠壓縮彈簧60Si2Mn支架HT270蝸輪箱、蝸輪、氣缸、軸承蓋、活塞HT200推桿2Cr13型號(hào)、規(guī)格 類別軟密封硬密封常溫型中溫型高溫型低溫型型號(hào)ZSPQ-40ZSPQ-40GZSPQ-40GZSPQ-40D規(guī)格DN20～200技術(shù)參數(shù)和性能指標(biāo)切斷機(jī)構(gòu)主要技術(shù)參數(shù)公稱通徑 mm20253240506580100125150200250300350400閥座直徑 mm26434352627994115145166216可與本公司商洽生產(chǎn)額定流量系數(shù) Kv6.51015254065100150260350540公稱壓力 MPa4.0(JB/T79·2-94)行程 mm16254060介質(zhì)溫度 ℃-16～150(常溫)；-60～450(中溫)；-60～550（高溫）；-250～60（低溫）；流量特性兩位快開式配執(zhí)行機(jī)構(gòu)ZSD-DZSD-3ZSD-5ZSD-7法蘭尺寸、型式按JB/T79·2-94凹式（常、中、高溫）；按JB/T79·3-94榫槽式（低溫）閥體材質(zhì)ZG270-500；ZG1Cr18Ni9Ti；ZG0Cr18Ni12Mo2Ti活塞執(zhí)行機(jī)構(gòu)主要技術(shù)參數(shù)型號(hào)ZSD-DZSD-3ZSD-5ZSD-7活塞直徑 mm150200300400有效面積 cm21753057001245行程 mm16254060進(jìn)氣孔螺紋M16×1.5M20×1.5M24×2zui大輸出力 N720012800293005200可配附件空氣過濾減壓器、保位閥、行程開關(guān)、閥位傳送器、電磁閥、手輪機(jī)構(gòu)等操作氣源壓力 KPa500氣動(dòng)切斷閥性能指標(biāo)公稱通徑 mm20253240506580100125150200泄漏量滴/min軟密封0硬密封13579切斷時(shí)間 S1～22～4額定行程偏差%+10注：泄漏量試驗(yàn)介質(zhì)為水允許壓差 MPa公稱通徑 mm20253240506580100125150200允許壓差氣開4.04.04.02.83.52.4氣關(guān)4.02.51.71.01.10.80.6外形尺寸mm  常溫型氣動(dòng)活塞切斷閥外形尺寸公稱通徑LH2帶手輪不帶手輪HH1H3重量kgHH1重量kg20180536624472223957435926251901117324664433322101177444865635402301318855702808577846361502551469158980865652851811131706389135969542978031019011471439839910035519411551639911091254252561588102230513057392181504602661608331132524420056028916594451376358中溫型氣動(dòng)活塞切斷閥外形尺寸公稱通徑LH2帶手輪不帶手輪HH1H3重量kgHH1重量kg201805381344722243725359302519011188352795393221011789554807414023013110365702809092946366502551461066959697165285181129670638914511325421018031019013101551146111100355194131817211541281254252561803102232715207392401504602661823356154026920056028918744641591377低溫型氣動(dòng)活塞切斷閥外形尺寸公稱通徑LH2H3-100℃-200℃-250℃帶手輪不帶手輪帶手輪不帶手輪帶手輪不帶手輪H1HH1HH1HH1HH1HH1H2018053222500112750010397001237700123990015279001439251901115001181500109370013817001293900158190014913221011750011935001105700139370013059001593900150540230131280500131050012037001510700140390017109001603502551465001335500122870015357001428900173590016286528518160015546001447800175480016471000195410001847803101906001565600145880017658001658100019651000185810035519460015696001462800176980016621000176910001862125425256378700194270018099002142900200911002342110022091504602667001952700181990021529002019110023521100221920056028970019827001849900218290020491100238211002249許用介質(zhì)壓力和工作溫度的關(guān)系閥體材質(zhì)公稱壓力為4.0MPa介質(zhì)工作溫度℃200250300350＜400＜425＜450＜475＜500＜510＜525＜550zui大工作壓力MPaZG270-500ZG1Cr18Ni9Ti4.03.73.33.02.82.31.8        4.03.63.43.22.82.22.01.71.4ZSPQ氧氣活塞切斷閥_圣核閥門制造(上海)有限公司
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