water, oil - 10°C to + 90°C NBR (nitrile)
Differential pressure See ?SPECIFICATIONS? [1 bar =100 kPa]
Maximum viscosity 40 cSt (mm2/s)
Open loop proportional valves for automatic fl ow control of water and other non-corrosive liquids
Body Brass
Core tube Stainless steel
Core and plugnut Stainless steel
Springs Stainless steel
Voltage regulation 0 - 24 V DC
24 V DC pulse width modulated (300 Hz)
Flow regulation
characteristics (3) Hysteresis < 7,5 % ; Repeatability < 3 % ; Sensitivity < 2 %
Riderring PTFE
Seals, diaphragm NBR
Disc FPM
SCG203B001
SCG203B002
Breaker piece Stainless steel
? Special valve design to reduce pressure surges to a minimum, preventing waterhammer and ensuring noise-free closing
? The solenoid valves satisfy all relevant EC directives
Coil insulation class F
Connector Spade plug (cable ? 6-10 mm)
Connector specifi cation ISO 4400 / EN 175301-803, form A
Electrical safety IEC 335
Electrical enclosure protection Moulded IP65 (EN 60529)
Standard voltages DC (=) : 24V (Other voltages on request)
性
1、工作壽命,此項不列入出廠試驗項目,屬于型式試驗項目。為確保質量應選正規的產品。
2、工作制式:分長期工作制,反復短時工作制和短時工作制三種。對于長時間閥門開通只有短時關閉的情況,則宜選用常開電磁閥。
3、工作頻率:動作頻率要求高時,結構應直動式電磁閥,電源應交流。
4、動作性
嚴格地來說此項試驗尚未正式列入電磁閥標準,為確保質量應選正規的產品。有些場合動作次數并不多,但對性要求卻很高,如消防、緊急保護等 ,切不可掉以輕心。特別重要的,還應采取兩只連用雙保險
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