購(gòu)買咨詢細(xì)節(jié)說明ZSHW/ ZDRW系列氣動(dòng)/電動(dòng)通風(fēng)蝶閥 閥體、閥板均用鋼板焊接加工而成,是一種重量輕、結(jié)構(gòu)簡(jiǎn)單、操作方便的蝶閥。配用齒輪、齒條式雙活塞氣動(dòng)執(zhí)行機(jī)構(gòu)或電子式電動(dòng)執(zhí)行機(jī)構(gòu),適用于低壓狀態(tài)的空氣或其它氣體的流量、壓力控制,也適用于高溫狀態(tài)的氣體。 結(jié)構(gòu)圖序號(hào)零件名稱常用材料1閥 ?體Q235B、304、3162閥 ?板Q235B、304、3163導(dǎo)向套QAl9-4、3164下閥蓋Q235B、304、3165軸 ?承6下閥桿304、3167上閥桿304、3168填料壓蓋3049填 ?料PTFE、柔性石墨10雙頭螺柱35、30411螺 ?母45、304 規(guī)格與技術(shù)參數(shù)1、額定流量系數(shù)公稱通徑DN(mm)100150200250300350400450500600額定流量系數(shù)Kv405115020303150455062008100102601350019800公稱通徑DN(mm)7008009001000110012001300140015001600額定流量系數(shù)Kv270003570044600550806665081000950601102501250001440002、主要技術(shù)參數(shù)公稱通徑DN(mm)DN100~1600(4”~64”)公稱壓力PN(MPa)0.25、0.6固有流量特性近似等百分比執(zhí)行機(jī)構(gòu)形式單作用、雙作用氣源壓力(MPa)0.4電動(dòng)執(zhí)行機(jī)構(gòu)根據(jù)閥門所需扭矩選取電源電壓220V.AC ?50Hz ???380V.AC ?50Hz(三相)法蘭連接形式PN≤0.6MPa按HG/T20592-2009 RF工作溫度(℃)碳鋼:-20~425℃、不銹鋼:-40~595℃注:所有閥門的法蘭厚度均按HG/T20592-2009??PN0.25MPa設(shè)計(jì)。 主要性能指標(biāo)序號(hào)項(xiàng)???目開放型后座型10°密封型1基本誤差≤±2%2回???差≤±2%3死???區(qū)≤±1.5%4允許泄漏量≤±2%×閥額定容量≤±0.5%×閥額定容量≤±0.3%×閥額定容量 閥板密封形式 產(chǎn)品規(guī)格公稱通徑DN50~2600公稱壓力PN0.25~1.0MPa介質(zhì)溫度-40~595℃連接方式法蘭式閥蓋形式標(biāo)準(zhǔn)型閥體材質(zhì)20#、304、316閥板密封形式開放型、后座型、斜置型閥封材質(zhì)20#、304、316流量特性近似等百分比泄漏量-硬密封≤0.5%×KV 執(zhí)行機(jī)構(gòu)配置和允許壓差氣動(dòng)活塞式雙作用執(zhí)行機(jī)構(gòu)允許壓差(表6) ????????????????????????????????????單位:MPa執(zhí)行機(jī)構(gòu)型號(hào)公稱通徑DN(mm)100150200250300350400450500600雙作用TLM830.190.07TLM1000.060.030.0150.006TLM1250.0140.0090.0060.004TLM1600.050.030.020.008執(zhí)行機(jī)構(gòu)型號(hào)公稱通徑DN(mm)7008009001000110012001300140015001600雙作用TLM1600.005TLM1900.0150.010.0060.002TLM2100.0080.0050.002TLM2400.0150.010.0090.0050.003 氣動(dòng)活塞式單作用執(zhí)行機(jī)構(gòu)允許壓差(表7) ????????????????????????????????????單位:MPa執(zhí)行機(jī)構(gòu)型號(hào)公稱通徑DN(mm)100150200250300350400450500600單作用TLM100K40.140.04TLM125K50.040.0160.010.005TLM160K40.020.0150.010.005TLM190K40.0080.003執(zhí)行機(jī)構(gòu)型號(hào)公稱通徑DN(mm)7008009001000110012001300140015001600單作用TLM190K40.002TLM210K50.010.0080.0060.0040.003TLM240K40.0120.0080.0060.0040.0030.002TLM270K40.0080.0050.003 電動(dòng)執(zhí)行機(jī)構(gòu)允許壓差(表8) ????????????????????????????????????????????????單位:MPa執(zhí)行機(jī)構(gòu)扭矩(Nm)公稱通徑DN(mm)100150200250300350400450500600500.160.051000.050.0180.0120.072000.030.020.0150.0083000.0120.005執(zhí)行機(jī)構(gòu)扭矩(Nm)公稱通徑DN(mm)70080090010001100120013001400150016006000.010.0050.00310000.0050.0030.00216000.0040.0030.0020.0020.00150.001 通風(fēng)蝶閥選型樣本下載