電磁閥圖片/BURKERT電磁閥參數(shù)

組合安裝時(shí) 60%（30分）間歇工作，或采用5W線圈
電氣連接 DIN 43650 A型插頭，可與2508型電纜插座配套
安裝 可根據(jù)需要安裝，使線圈朝上
(after 1 min. warm up time)
± 0.8% of Rdg. ± 0.3% F.S.
Linearity ±0.1% F.S.
Repeatability ±0.1% F.S.
Control range 1:50, 1:500 on request
Settling time ( t 9 5 % ) < 300 ms
Body material aluminium or stainless steel
Electr. housing material chromium plated sheet steel
Sealing material FKM, EPDM, others on request
Port connections NPT 1/4, G 1/4,
screw-in fi tting or sub-base,
? Direct thermal measuring principle guarantees best settling times and best accuracy
? Very good repeatability
? Reliable digital electronics and interfaces
? Optional calibration for two different gases
? Integrated totalizer (counter)
? LIMIT-Y function: alarm signal if MFC cannot reach setpoint
? AUTOTUNE function: self-adjustment of valve parameters
? One binary input signal and one binary output signal available, free programmable through software Mass Flow Communicator
? Larger diameter of the bypass tube which results in low sensitivity to contamination due to humidity or pollution
? Temperature measurement for compensation included on the semiconductor sensor element
? One internal valve for both, controlling and shut-off
? Measurement indifferent on mounting position
? Programming of a setpoint profi le
? Dynamic reading (oscilloscope function)
Software Tool Mass Flow Communicator freely available on Internet: www.burkert。。ｃｏｍ

電磁閥圖片/BURKERT電磁閥參數(shù)
有常閉型和常開型二種。常閉型斷電時(shí)呈關(guān)閉狀態(tài)，當(dāng)線圈通電時(shí)產(chǎn)生電磁力，使動(dòng)鐵芯克服彈簧力同靜鐵芯吸合直接開啟閥，介質(zhì)呈通路；當(dāng)線圈斷電時(shí)電磁力消失，動(dòng)鐵芯在彈簧力的作用下復(fù)位，直接關(guān)閉閥口，介質(zhì)不通。結(jié)構(gòu)簡(jiǎn)單，動(dòng)作可靠，在零壓差和微真空下正常工作。常開型正好相反。如小于φ6流量通徑的BURKERT電磁閥。 BURKERT電磁閥采用一次開閥和二次開閥連在一體，主閥和導(dǎo)閥分步使電磁力和壓差直接開啟主閥口。當(dāng)線圈通電時(shí)，產(chǎn)生電磁力使動(dòng)鐵芯和靜鐵芯吸合，導(dǎo)閥口開啟而導(dǎo)閥口設(shè)在主閥口上，且動(dòng)鐵芯與主閥芯連在一起，此時(shí)主閥上腔的壓力通過(guò)導(dǎo)閥口卸荷，在壓力差和電磁力的同時(shí)作用下使主閥芯向上運(yùn)動(dòng)，開啟主閥介質(zhì)流通。當(dāng)線圈斷電時(shí)電磁力消失，此時(shí)動(dòng)鐵芯在自重和彈簧力的作用下關(guān)閉導(dǎo)閥孔，此時(shí)介質(zhì)在平衡孔中進(jìn)入主閥芯上腔，使上腔壓力升高，此時(shí)在彈簧復(fù)位和壓力的作用下關(guān)閉主閥，介質(zhì)斷流。結(jié)構(gòu)合理，動(dòng)作可靠，在零壓差時(shí)工作也可靠。如：ZQDF，ZS，2W等。
技術(shù)參數(shù)
內(nèi)孔
DN 13 - 65 mm
閥體材質(zhì)
螺紋連接
法蘭連接
黃銅、不銹鋼1.4581
不銹鋼1.4581
密封材質(zhì)
NBR, EPDM, FPM
介質(zhì)
NBR密封
EPDM密封
FPM密封
中性介質(zhì)，如壓縮空氣、水、液壓油
油和無(wú)脂介質(zhì)，包括堿、熱水
熱空氣、氧氣、高溶溶液、熱油
介質(zhì)溫度
NBR密封
EPDM密封
FPM密封
0 to +80 °C
寶德電磁閥圖片/BURKERT電磁閥參數(shù)
-30 to +90 °C
0 to +90 °C
環(huán)境溫度
Max. +55 °C
電壓允差
±10 %
負(fù)載周期
100%連續(xù)工作
電氣連接
DIN 43650 A型插頭，可與2508型電纜插座配套
防護(hù)等級(jí)
帶電纜插座IP 65
安裝
可根據(jù)需要安裝，使線圈朝上
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