Asco Numatics introduces two intrinsically safe solenoid valves with Ex ia IIC T6 certification. The solenoid operators are designed for use in the 327 range of direct operated solenoid valves and are available in epoxy-coated aluminium or stainless steel. The solenoids are certified to Atex, Category 1G/2D and Equipment Protection Level (EPL) Ga/Db. Both operators are IECEx approved and certified to IEC 61508 Functional Safety (SIL 3 capable). The polarity insensitive solenoid operators have a power consumption of only 0.5 W at 246 V DC and feature a special booster coil and stainless steel core for high performance. Available with either an epoxy-coated aluminium or 316L stainless steel enclosure rated to IP 66 and IP 67. The operator can be rotated 360° and locked into position to select the best position for cable entry.
The 327 series solenoid valves feature a brass, stainless steel or aluminium (Namur) body. These valves have a large flow rate (Kv 0.45 m³/h), operate from 0 to 10 bar and require no minimum operating pressure. They are suitable for use in ambient temperatures from -40 to +60 °C.
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