Emerson ASCO Solenoid Valve Series 256 Brass
  • Emerson ASCO Solenoid Valve Series 256 Brass
  • Emerson ASCO Solenoid Valve Series 256 Brass
  • Emerson ASCO Solenoid Valve Series 256 Brass
  • Emerson ASCO Solenoid Valve Series 256 Brass
  • Emerson ASCO Solenoid Valve Series 256 Brass

Emerson ASCO Solenoid Valve Series 256 Brass

Direct Acting

Emerson ASCO's 256 Brass Solenoid Valves are direct-acting 2/2 valves available in normally closed or open configurations. They come in G1/8", G1/4", 1/8" NPT, and 1/4" NPT port sizes and offer a wide range of seal options including FPM, EPDM, NBR, RUBY, and HNBR. Designed to shut off both liquid and gaseous fluids, these valves support operating pressure differentials of up to 30 bar and feature IP67-rated protection.

IP67

2/2 Normally Closed or Open G1/8", G1/4", 1/8" NPT, 1/4" NPT

FPM, EPDM, NBR, RUBY & HNBR Seals Available

Suitable To Shut Off Liquid & Gaseous Fluids

Operating Pressure Differential: Up to 30 Bar
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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

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
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