SKU: S45EX

316 Stainless Steel Normally Closed Differential Ex Solenoid Valve

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A 316 Stainless Steel Normally Closed (power to open) IECEx approved solenoid valve. This is used in hazardous area environments where IECEx approval is needed. Approved for both Ex e mb IIC T4 Gb and Ex tb mb IIIC T130°C Db. Threads conform to ISO 7.1 sealing threads.

Model Port Size (BSP) Orifice ømm CV Pressure (BAR) Media Temp
S45EX-4-14-*V 1/2 14 5 0.25 to 16 BAR -10°C to 100°C
S45EX-5-20-*V 3/4 20 10 0.25 to 16 BAR -10°C to 100°C
S45EX-6-25-*V 1 25 11 0.25 to 16 BAR -10°C to 100°C
S45EX-7-40-*V 1 ¼ 40 28 0.7 to 16 BAR -10°C to 100°C
S45EX-8-40-*V 1 ½ 40 34 0.7 to 16 BAR -10°C to 100°C
S45EX-9-50-*V 2 50 50 0.7 to 16 BAR -10°C to 100°C

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

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

Pressure vs Flow Solenoid Valve Graph

Exd solenoid valve dimensions

Model G (BSP) L K H
S45EX-4-14-*V 1/2 65 40.5 113
S45EX-5-20-*V 3/4 92 60 128
S45EX-6-25-*V 1 92 60 128
S45EX-7-40-*V 1 ¼ 125 92 151.5
S45EX-8-40-*V 1 ½ 125 92 151.5
S45EX-9-50-*V 2 150 108.5 170

All dimensions in mm unless shown otherwise. 

Watermark Normally Closed Solenoid Valve Consctruction

Number Item Material
1 Coil Exd Approved
2 Armature Martensitic stainless steel
3 Valve Cover 316 Stainless Steel
4 Spring 304 Stainless STeel
5 0-Ring FKM
6 Diaphragm FKM
7,8,9 Diaphragm Support Stainless Steel
10 Valve Body 316 Stainless Steel

Size 1/2" to 2" BSP
Function Normally Closed (power to open)
Valve Operation Servo Assisted
Body 316 Stainless Steel
Seat FKM
Pressure Range 0.25 to 16 BAR
Media Petrochemical

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