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进口先导式电磁阀是由先导阀与主阀组成,两者有通道相联系,当电磁阀线圈通电,动铁芯与静铁芯吸合使导阀孔开放,阀芯背腔的压力通过导阀孔流向出口,此时阀芯背腔的压力低于进口压力,利用压差使阀芯脱离主阀口,介质从进口流向出口。当线圈断电,动铁芯与静铁芯脱离,关闭了导阀孔,阀芯背腔压力受进口压力的补充逐渐趋于和进口平衡,阀芯因弹簧力作用下把阀门紧密关闭。
GENERAL DETAILS
Application | : | Air, water, gas |
Size | : | 1/8", 1/2" BSP (on request NPT) 3/8", 1/2" (Pilot Opareted) |
Pressure | : | 0 bar … 16 bar (orifice), 0,5 … 16 bar |
Tube and international part | : | Brass, Stainless Steel |
Body | : | Brass |
Seal | : | NBR, on request VITON |
Temperature | : | .-10°C…80 °C |
Position | : | Normally Closed |
Coil Voltage | : | 230V, 110V , 48V, 24V , 12V AC ; 110V , 48V , 24V , 12 V DC |
Protection Class | : | IP65 and Exproof models |
Valve Type / Order No | Connection Size | Orifice Size (mm) | Pressure (bar) | KV lt/ min | Fluid Temperature | Seal | Weight (kg) | ||
Min | Max | Min | Max | ||||||
S1040.02 | 3/8" | 12,5 | 0,35 | 16 | 45 | -10 | 80 | NBR | 0,68 |
S1040.03 | 1/2" | 12,5 | 0,35 | 16 | 65 | -10 | 80 | NBR | 0,64 |
S1040.04 | 3/4" | 15 | 0,35 | 16 | 70 | -10 | 80 | NBR | 0,79 |
S1040.05 | 1" | 15 | 0,35 | 16 | 85 | -10 | 80 | NBR | 0,96 |
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