DYC-JQ
电磁真空压差阀
DYC-JQ电磁真空压差阀概述
■DYC-JQ型是机械真空泵安全阀,安装于机械真空泵的进气口,并与泵同步开启和关闭。当泵停止工作或电源突然中断时,阀门利用大气压力使阀板自动关闭,使真空系统保持真空并将大气充入泵腔内,从而避免泵油逆向流动而污染真空系统。适用介质为纯净空气和非腐蚀性气体。
■DYC-JQ
Electro-vacuumDifferentialPressureValve
■DYC-JQelectro-vacuumdifferentialPressurevalveisasafelyvalveformechanicalvacuumpump.Itismountedattheintakenozzleofmechanicalvacuumpump,synchronouslyopenedandclosedwiththepump.Incasethatpumpstopsworkingorpowersupplyissuddenlybrokenoff,valvediscwillbeclosedautomaticallyunderatmosphericpressure,tokeepthevacuumsystemvacuumandtheairchargedintopumpcavity,thustopreventpumpoilfromreverseflowthatcanpollutethevacuumsystem.Applicablemediumcanbepureairornoncorrosivegases.
■DYC-JQ型主要技术性能
MainTechnicalPerformance
■
■
■适用范围:Applicability105~10-2Pa
阀门漏率:ValveLeakRate≤1.3×10-2Pa.L/S.
适用温度:ApplicableTemperature-30~50℃
线围温升:CoilTemperatureRise≤65℃
开闭时间:Open-closeTime≤3S
电源电压:MainsVoltage220V/50Hz
■主要零件材料
MaterialsofMainParts
■
■阀体、阀盖、阀板:碳钢或铝合金
隔膜:丁腈橡胶加涤纶绸
Body,bonnetanddisc:carbonsteeloraluminiumalloy
Diaphragm:NBRandterylenesilk
CONSTRUCTIONFIGHTS(mm)
■外形及连接尺寸(mm)
OverallandConnectionDimensions(mm)
■活套法兰连接(GB6070图一)
Model
型号DNDoDD2n-φcAH
DYC-JQ505090110554-φ970203
DYC-JQ6363105130684-φ988226
DYC-JQ8080125145858-φ998260
DYC-JQ1001001451651058-φ9108282
DYC-JQ1601602002251658-φ12158350
■快卸法兰连接(GB4982图二)
Model
型号DND1DAHB
DYC-JQ161617.2304016055
DYC-JQ252526.2405017060
DYC-JQ323234.2555817960
DYC-JQ404041.2556518770
DYC-JQ505052.2757020385
■方体螺纹连接(JB919图三)
Model
型号DNDoD2hBHn-d
DYC-JQ1616422228481484-M5
DYC-JQ2525552935581554-M6
DYC-JQ3232643640681604-M6
DYC-JQ4040704444801664-M6
DYC-JQ5050905556941894-M8
DYC-JQ656510570651152054-M8
DYC-JQ808012585751402504-M8
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