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德國BURKERT直動式兩位兩通低溫電磁閥簡介
德國BURKERT直動式兩位兩通低溫電磁閥簡介1) value in brackets at coil temperature 20 ºC原理:通電時,電磁線圈產(chǎn)生電磁力把關(guān)閉件從閥座上提起,閥門打開;斷電時,電磁力消失,彈簧把關(guān)閉件壓在閥座上,閥門關(guān)閉。Hot air, hot oils, oils with additives, per-solutions Water, steam,
德國BURKERT直動式兩位兩通低溫電磁閥簡介
Power consumption Inrush Hold (hot coil) 1) AC [VA] AC [VA/W] DC [W] 35-40 16/10 approx.12 (13)
Response times Ori? ce [mm] Opening [ms] Closing [ms] AC DC AC DC 1.0-6.0 10-20 20-80 20-30 20-30
1) value in brackets at coil temperature 20 ºC
原理:通電時,電磁線圈產(chǎn)生電磁力把關(guān)閉件從閥座上提起,閥門打開;
斷電時,電磁力消失,彈簧把關(guān)閉件壓在閥座上,閥門關(guān)閉。
Hot air, hot oils, oils with additives, per-solutions Water, steam, fuels, hydraulic materials,
Type 2511 ASI cable plug
Type 0255 can be combined with...
• Seat valve, direct-acting
唯有電磁閥是用電磁力作用于密封在電動調(diào)節(jié)閥隔磁套管內(nèi)的鐵芯完成,不存在動密封,所以外漏易堵。
電動閥力矩控制不易,容易產(chǎn)生內(nèi)漏,甚拉斷閥桿頭部;
The direct-acting plunger solenoid valve Type 0255 is also suitable for high pressures and high temperatures.
Type 2508 Cable plug
電磁閥本身結(jié)構(gòu)簡單,價格也低,比起調(diào)節(jié)閥等其它種類執(zhí)行器易于安裝維護。
更的是所組成的自控系統(tǒng)簡單得多,價格要低得多。
特點:在真空、負(fù)壓、零壓時能正常工作,但通徑般不超過25mm。
alcohol, organic solvents, waste gas
Media temperature FKM PTFE Steel
-10 to +130 °C -40 to +180 °C Up to + 250 °C (on request) Viscosity Max.
緊湊型結(jié)構(gòu)形式
2/2-way Solenoid Valve for high pressures and temperatures
型號 0255 的直動式升降式銜鐵電磁閥也適合高壓和高溫。
德國BURKERT直動式兩位兩通低溫電磁閥簡介
重疊的線圈系統(tǒng)
Technical data Ori? ce DN 1.0 - 6.0 mm Body material Brass with stainless steel seat 1.4305
or stainless steel body 1.4581 Coil material Epoxy Coil insulation class H Seal material FKM, PTFE (others on request) Media FKM
電磁閥的結(jié)構(gòu)型式容易控制內(nèi)泄漏,直降為零。
21 mm2/s Ambient temperature Max. + 55°C (250 °C on request),
please see ordering chart Voltage tolerance ± 10% Duty cycle 100% continuous rating
Electrical connection Cable plug for Ø 7 mm cable, acc.
所以,電磁閥使用特別安全,尤其適用于腐蝕性、有毒或高低溫的介質(zhì)。
系統(tǒng)簡單,便接電腦,價格低廉
• Push-over solenoid system
to DIN EN 175301-803 Form A (supplied as standard) Protection class IP 65 with cable plug Weight [kg] 0.6 (brass version)
Installation As required, preferably with actuator upright
由于電磁閥是開關(guān)信號控制,與工控計算機連接十分方便。
在當(dāng)今電腦普及,價格大幅下降的時代,電磁閥的就更加明顯。
• Pressure range up to 100 bar
• Media temperature up to 250 °C
Type 1078 Timer unit
外漏堵,內(nèi)漏易控,使用安全
內(nèi)外泄漏是危及安全的要素。其它自控閥通常將閥桿伸出,由電動、氣動、液動執(zhí)行機構(gòu)控制閥芯的轉(zhuǎn)動或移動。
這都要解決長期動作閥桿動密封的外泄漏難題;
• For gases and fluids
Circuit function A
2/2-way valve, normally closed by spring force
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