進口先導(dǎo)式電磁閥
德國LIT進口先導(dǎo)式電磁閥有幾點特點（1）動作快，功率小，外形輕巧。電磁閥響應(yīng)時間可以短至幾個毫秒，即使是先導(dǎo)式電磁閥也可以控制在幾十毫秒內(nèi)。由于自成回路，比之其它自控閥反應(yīng)更靈敏。設(shè)計得當(dāng)?shù)碾姶砰y線圈功率消耗很低，屬節(jié)能產(chǎn)品；還可做到只需觸發(fā)動作，自動保持閥位，平時一點也不耗電。（2）調(diào)節(jié)精度受限，適用介質(zhì)受限。電磁閥通常只有開關(guān)兩種狀態(tài)，閥芯只能處于兩個極限位置，不能連續(xù)調(diào)節(jié)，（德國力特試圖突破，但還都處于試驗試用階段）所以調(diào)節(jié)精度還受到一定限制。電磁閥對介質(zhì)潔凈度有較高要求，含顆粒狀的介質(zhì)不能適用，如屬雜質(zhì)須先濾去。另外，粘稠狀介質(zhì)不能適用，而且，特定的產(chǎn)品適用的介質(zhì)粘度范圍相對較窄。（3）型號多樣，用途廣泛。電磁閥雖有先天不足，優(yōu)點仍十分突出，所以就設(shè)計成多種多樣的產(chǎn)品，滿足各種不同的需求，用途極為廣泛。電磁閥技術(shù)的進步也都是圍繞著如何克服先天不足，如何更好地發(fā)揮固有優(yōu)勢而展開。
Germany LIT imports pilot solenoid valve There are several characteristics of （1） the action is fast and small power, lightweight form factor. Solenoid valve response time can be as short as a few milliseconds, even if it is a pilot-type solenoid valve can also be controlled to within tens of milliseconds. Self-loops, other than the automatic control valve response is more sensitive. Properly designed solenoid valve coil power consumption is very low, an energy-saving products; trigger actions can also be done simply, and automatically maintain valve position, usually is not consumable. （2） to adjust the accuracy is limited, restricted Applicable medium. The solenoid valve is usually only switch the two states, the spool only at the two extreme positions, can not be adjusted continuously, （German special forces tried to break through, but also in the experimental trial stage） regulation accuracy is also subject to certain restrictions. Solenoid valve with higher requirements for media cleanliness, containing granular media can not be applied, the case must first filter out impurities. In addition, the viscous medium is not applicable, and particular product is suitable for medium viscosity range is relatively narrow. （3） Model diverse, wide range of uses. Although the solenoid valve deficiencies, the advantages still very prominent, so a wide variety of products designed to meet the various needs, extremely versatile. Solenoid valve technology advances are also around how to overcome the inherent weaknesses, and how to better play to the inherent advantages and expand.
先導(dǎo)式電磁閥參數(shù):
Pilot solenoid valve parameters:
原理結(jié)構(gòu)：分步兩次直動導(dǎo)向活塞式 The schematic structure: a step-by-step two direct-acting guide piston
工作環(huán)境溫度：-20-+50℃、-40-+80℃ Operating ambient temperature: -20 - +50 ° C, -40 - +80 ° C
線圈工作溫度：<+50℃、<+85℃ Coil Operating Temperature: <+50 ℃, <+85 ℃
控制方式：常閉、常開 Control mode: normally closed, normally open
標(biāo)準(zhǔn)電壓：AC（380、240、220、24）V、DC（110、24）V International standard voltage: AC （380,240,220,24） V, DC （110,24） V
流通流體介質(zhì)：油、水、氣等 The circulation fluid medium: oil, water, gas, etc.
流通流體溫度：<-40℃、<-20℃、<+60℃、<+120℃、<+200℃、<+240℃、<+300℃ Circulating fluid temperature: -40 ° C <-20 ° C <+60 ° C, <+120 ° C, <+200 ° C. <+240 ° C, <+300 ℃
流通流體壓力：50bar——1600bar The circulation fluid pressure: 50bar - 1600bar
閥體材質(zhì)：不銹鋼（304、316、316L）Body material: stainless steel （304,316,316 L）
閥體連接方式:凹凸法蘭式、螺紋（內(nèi)螺紋、外螺紋） Valve body connection: bump flanged, threaded （internal thread, external thread）
線圈連接方式：鐵罩三芯雙護套電纜（引線式、封閉式）Coil connection: iron cover three core double sheathed cable （lead, closed）
密封材質(zhì)性能：耐溫、耐壓、耐磨、防腐 Sealing material properties: temperature, pressure, wear-resistant, anti-corrosion
泄漏量：零 Leakage: Nil
密封結(jié)構(gòu)：圓弧錐線與錐面密封 Seal structure: the arc cone line with cone seal
性能特點：通用性廣、靈敏性高、嚴(yán)密性強、壽命性長 Performance characteristics: wide versatility, high sensitivity, rigor sex life
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