電磁閥圖片/BURKERT電磁閥參數
組合安裝時 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
有常閉型和常開型二種。常閉型斷電時呈關閉狀態,當線圈通電時產生電磁力,使動鐵芯克服彈簧力同靜鐵芯吸合直接開啟閥,介質呈通路;當線圈斷電時電磁力消失,動鐵芯在彈簧力的作用下復位,直接關閉閥口,介質不通。結構簡單,動作可靠,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,主閥和導閥分步使電磁力和壓差直接開啟主閥口。當線圈通電時,產生電磁力使動鐵芯和靜鐵芯吸合,導閥口開啟而導閥口設在主閥口上,且動鐵芯與主閥芯連在一起,此時主閥上腔的壓力通過導閥口卸荷,在壓力差和電磁力的同時作用下使主閥芯向上運動,開啟主閥介質流通。當線圈斷電時電磁力消失,此時動鐵芯在自重和彈簧力的作用下關閉導閥孔,此時介質在平衡孔中進入主閥芯上腔,使上腔壓力升高,此時在彈簧復位和壓力的作用下關閉主閥,介質斷流。結構合理,動作可靠,在零壓差時工作也可靠。如:ZQDF,ZS,2W等。
技術參數
內孔
DN 13 - 65 mm
閥體材質
螺紋連接
法蘭連接
黃銅、不銹鋼1.4581
不銹鋼1.4581
密封材質
NBR, EPDM, FPM
介質
NBR密封
EPDM密封
FPM密封
中性介質,如壓縮空氣、水、液壓油
油和無脂介質,包括堿、熱水
熱空氣、氧氣、高溶溶液、熱油
介質溫度
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
-30 to +90 °C
0 to +90 °C
環境溫度
Max. +55 °C
電壓允差
±10 %
負載周期
100%連續工作
電氣連接
DIN 43650 A型插頭,可與2508型電纜插座配套
防護等級
帶電纜插座IP 65
安裝
可根據需要安裝,使線圈朝上
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公司地址:上海市黃浦區北京東路668號科技京城東樓27樓C1
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