High Pressure CO₂ & Inergen Fire Suppression Solenoid Valve – 350 Bar
ERA-SIB EN55403 High Pressure Fire Suppression Solenoid Valve
ERA-SIB EN55403 high pressure 2/2 way normally closed stainless steel solenoid valve is specifically designed for CO₂ (carbon dioxide), Inergen and other compatible fire suppression gases. Featuring an AISI 316Ti stainless steel body, pressure assisted operation and a working pressure up to 350 Bar, this valve provides dependable performance for automatic fire suppression systems, gas discharge installations and specialist high-pressure gas control applications. An optional ATEX explosion-proof coil is available for hazardous area installations.
Key Features
✓ Designed for CO₂ and Inergen fire suppression systems
✓ 2/2 way normally closed operation
✓ Pressure assisted servo-operated design
✓ Operating pressures up to 350 Bar
✓ 7mm orifice
✓ Flow Factor: 6 L/min
✓ Requires 10 Bar minimum pressure differential
✓ AISI 316Ti stainless steel body
✓ Stainless steel internal components
✓ Voltalef sealing system
✓ Suitable for CO₂, Inergen and compatible gases
✓ Fast 200ms switching time
✓ 14–20 Watt Class F coil
✓ DIN 43650A electrical connection
✓ IP65 protection with connector included
✓ Optional ATEX II 2 G/D EEx d II C T6 explosion-proof enclosure
✓ 100% continuous duty rated
✓ Every valve individually tested before dispatch
Typical Applications
CO₂ fire suppression systems
Inergen fire suppression systems
Automatic fire extinguishing systems
Gas cylinder discharge systems
Industrial fire protection
Hazardous area installations
High-pressure gas control
OEM fire suppression equipment
Technical Specification
Function: 2/2 way normally closed
Valve Type: Pressure assisted (servo operated)
Port Sizes:
1/4" BSP
3/8" BSP
Optional Ports: NPT
Orifice: 7mm
Flow Factor: 6 L/min
Minimum Pressure Differential: 10 Bar
Operating Pressure: 10–350 Bar
Body Material: AISI 316Ti stainless steel
Internal Components: Stainless steel
Seal Material: Voltalef + FKM
Suitable Media:
CO₂ (Carbon Dioxide)
Inergen
Compatible inert gases
Maximum Media Viscosity: 40 cSt
Media Temperature: -40°C to +50°C
Ambient Temperature: -20°C to +50°C
Mounting Position: Vertical, coil uppermost
Performance
Opening Time: 200ms maximum
Closing Time: 200ms maximum
Continuous Duty: 100% ED
Protection Rating: IP65 with connector fitted
Electrical Connection: DIN 43650A
Coil Specification
Coil Type: 31037
Power Consumption
DC: 13.7–14 Watts
AC: 48VA inrush / 24VA holding
Insulation Class: F (155°C)
Moulded resin encapsulated coil
Voltage Options
DC
12VDC
24VDC
48VDC
AC
24VAC
48VAC
110VAC
230VAC
50/60Hz
Optional Configurations
NPT threaded ports
ATEX II 2 G/D EEx d II C T6 explosion-proof enclosure
M20 × 1.5 conduit entry
3/4" NPT conduit entry
Alternative voltages
Why Choose This Valve?
The ERA-SIB EN55403 has been specifically developed for high-pressure fire suppression systems using CO₂, Inergen and other compatible inert gases. Its AISI 316Ti stainless steel construction, Voltalef sealing system and operating pressure up to 350 Bar provide exceptional reliability for gas cylinder discharge and automated fire protection systems. Optional ATEX certification allows installation in hazardous areas where explosion-proof electrical equipment is required.
