Stainless Steel Normally Open General Purpose Zero Differential Solenoid Valve

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A high flow normally open (power to close) valve with a 304 Stainless Steel forged body and stainless steel operator. Suitable for low head and zero head applications, standard with NBR seat and seals. Liquids to 20 centistoke viscosity. Standard coil is weatherproof to IP65 and has LED illuminated plug. Typical applications include tank drain and low pressure general industry applications. Requires a minimum of 0.1 Bar to acheive full flow through the valve. Threads conform to ISO 7.1 Sealing Threads.

Model Port Size (BSP) Orifice ømm CV Media Pressure Media Temperature Repair Kit Coil Specifications
ES56-4-16-*N ½ 16 4.5 0 to 5 Bar -10°C to 80°C RK-ES56-4-N SC-E16H
45 Volt Amps
30 Watts
Class H Insulation
100% ED
ES56-5-20-*N ¾ 20 9.3 0 to 5 Bar -10°C to 80°C RK-ES56-5-N
ES56-6-25-*N 1 25 13.2 0 to 5 Bar -10°C to 80°C RK-ES56-6-N

*Voltages available; 12vDC, 24vDC, 24vAC, 110vAC, 240vAC, 415vAC

For Installation and Maintenance instructions please click here or find in our References section under Valve Installation and Maintenance for Solenoid Valves.

Normally Open 2 way zero differential solenoid valve

Model K (BSP) A B C D Weight Kg
ES56-4-16-*N 1/2” 120 56 172 69 0.8
ES56-5-20-*N 3/4” 125 55 172 73 0.9
ES56-6-25-*N 1” 125 78 195 99 1.35

All dimensions in mm unless otherwise shown.

Size 1/2" to 1" BSP
Function Normally Open (power to close)
Body 304 Stainless Steel
Seat NBR
Pressure Range 0 to 5 BAR
Media Non aggressive media