Emerson ASCO Solenoid Valve Series L182D-BIG-NPT
  • Emerson ASCO Solenoid Valve Series L182D-BIG-NPT

Emerson ASCO Solenoid Valve Series L182D-BIG-NPT

Diaphragm Pilot Operated Valve

Emerson ASCO's L182D-BIG-NPT series solenoid valves are 2/2 Normally Closed, diaphragm pilot operated valves designed for reliable shutoff of liquid and gaseous fluids. Available in 1 1/4", 1 1/2", and G 2" NPT sizes, they feature a full orifice design for maximum flow capacity. With an operating pressure differential of up to 10 bar and an IP67-rated enclosure, these valves offer durable, high-performance operation in demanding industrial environments.

IP67

2/2 Normally Closed 1 1/4", 1 1/2", G 2" NPT

Full orifice

Suitable to shut off liquid and gaseous fluids

Operating Pressure Differential: Up to 10 bar

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Emerson ASCO's L182D-BIG-NPT solenoid valves are engineered for high-performance fluid control in demanding industrial environments. These 2/2 Normally Closed diaphragm pilot operated valves are available in port sizes of 1 1/4", 1 1/2", and G 2" NPT, offering installation flexibility across a wide range of systems. Their full orifice design ensures maximum flow capacity, minimising pressure drop and enhancing overall system efficiency. Ideal for applications involving both liquid and gaseous media, these valves are commonly used in water treatment, HVAC, and general industrial automation where safe and reliable shutoff is essential.

The L182D-BIG-NPT series supports an operating pressure differential of up to 10 bar, making them suitable for medium-pressure systems where stability and control are critical. Built with durability in mind, these valves feature an IP67-rated enclosure, providing excellent protection against dust and temporary water immersion—ideal for outdoor or washdown environments. In addition to their robust construction and performance, the valves are designed for easy maintenance, helping reduce downtime and increase system uptime. With a combination of flow efficiency, reliability, and environmental resistance, the L182D-BIG-NPT valves deliver long-term value in a variety of industrial fluid control applications.

General Data

Function 2/2, Normally Closed
Connection 1 1/4 NPT
Electrical connection DIN 46350 - 3 pole plug connector
Operating Pressure Differential 0.5-10 bar
Flow factor / flow coefficient 15 Kv
Coil type ZA10A
Voltage / Frequency 110 V / 50Hz
IP class IP67

Material Data

Material body Brass
Material of seals EPDM
Material seat Brass
Material of core tube Stainless steel
Material internal parts Brass, Stainless steel, Copper
Encapsulation material PPS (Fibreglass Reinforced)

Temperature Data

Temperature ambient from -10 °C
Temperature ambient to 50 °C
Temperature of media from -10 °C
Temperature of media to 140 °C

Additional Data

Power consumption Inrush: 23VA, Holding 14VA
Pressure max 10 bar
Response time 100 ms
Close delay 650 ms
Viscosity max 37 cSt
Continuous duty ED 100%
Insulation class F (155°C) on request class H (180°C)
Approvals WRAS
Weight 1.59 kg