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 Ø 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、工作寿命,此项不列入出厂试验项目,属于型式试验项目。为确保质量应选正规的产品。
2、工作制式:分长期工作制,反复短时工作制和短时工作制三种。对于长时间阀门开通只有短时关闭的情况,则宜选用常开电磁阀。
3、工作频率:动作频率要求高时,结构应直动式电磁阀,电源应交流。
4、动作性
严格地来说此项试验尚未正式列入电磁阀标准,为确保质量应选正规的产品。有些场合动作次数并不多,但对性要求却很高,如消防、紧急保护等 ,切不可掉以轻心。特别重要的,还应采取两只连用双保险
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021-39526589
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地 址:上海市嘉定区嘉涌路99弄
6号楼713室