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Direct Acting
Emerson ASCO's 256 Series Brass Solenoid Valves are compact, direct-acting 2/2 valves, available in both normally closed and normally open configurations. With a range of port sizes including G1/8", G1/4", 1/8" NPT, and 1/4" NPT, they offer flexible integration into various system designs. The availability of multiple seal materials—FPM, EPDM, NBR, RUBY, and HNBR—makes them adaptable to a wide variety of fluid types and temperatures. These valves are ideal for precise control in demanding applications, offering high performance in industries such as automotive, HVAC, packaging, food and beverage, and water treatment.
Designed to shut off both liquid and gaseous fluids, the 256 Series operates efficiently with pressure differentials up to 30 bar. Its robust brass construction and IP67-rated protection ensure durability and resistance to environmental factors like dust and water ingress, making it suitable for use in harsh industrial environments. With a compact footprint and standard manual override, the valve supports easy installation and maintenance, helping to maximise uptime in critical applications.
General Data |
|
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Function | 2/2, Normally Closed |
Connection | G1/8 |
Electrical connection | DIN 46350 - 3 pole plug connector |
Operating Pressure Differential | 0-20 bar |
Flow factor / flow coefficient | 0,051 |
Voltage / Frequency | 24VDC |
IP class | IP67 |
Material Data |
|
Material body | Brass |
Material of seals | FPM |
Material seat | Brass |
Material of core tube | Stainless steel |
Material internal parts | Brass, Stainless steel, Copper |
Encapsulation material | thermoplastic |
Temperature Data |
|
Temperature ambient from | -10 °C |
Temperature ambient to | 60 °C |
Temperature of media from | 0 °C |
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Temperature of media to | 130 °C |
Additional Data |
|
Viscosity max | 40 cSt |
Continuous duty | ED 100% |
Insulation class | F (155°C) pending H (180°C) |
Weight | 0.116 kg |
Power consumption | 3.5 W |
Throughput | 1.2 mm |
Voltage dc | 24 V |
Differential pressure max | 20 bar |
Flow max | 0.85 l/min |
Function 2 | Normally Closed |
Manual operation | No |