1¼" BSP Gas Solenoid Valve EN161 Normally Closed Elektrogas VMR352
The Elektrogas VMR352 is a high-capacity EN161 Class A certified gas safety solenoid valve designed for rapid shut-off and reliable control of natural gas, LPG, air and specialist fuel gases. Featuring a normally closed fail-safe design, the valve opens when energised and automatically closes within one second when power is removed, providing dependable protection for industrial gas installations, gas trains and burner systems.
Manufactured from corrosion-resistant aluminium with EN549 certified NBR gas seals, the VMR352 is engineered for continuous duty operation in demanding industrial environments. With an impressive flow capacity of 20 m³/hr and integrated flow adjustment, the valve is ideal for industrial burners, boilers, furnaces, kilns and process heating applications requiring precise gas flow control and dependable safety shut-off.
Technical Specification
Function: 2/2 Way Normally Closed
Operation: Direct Acting Single Stage
Port Size: 1¼" BSP Female
Optional Connection: NPT Thread (N)
Body Material: Aluminium
Seal Material: NBR (EN549 Approved)
Pressure Range: 0-200mBar Standard
Optional Pressure Ratings: 500mBar or 6 Bar
Media: Natural Gas, Air
Optional Media: Biogas (J), Coke Oven Gas (K)
Kvs Flow Factor: 20 m³/hr
Temperature Range: -15°C to +60°C
Opening Time: Less Than 1 Second
Closing Time: Less Than 1 Second
Gas Strainer: 600 Micron
Voltage Tolerance: -15% to +10%
Electrical Protection: IP54 Standard
Coil Insulation: Class H 200°C
Thermal Class: F 155°C
Electrical Safety: Class I EN60335-1
Certifications & Approvals
EN161 Class A Group 2
CE Registration 0063AQ1350 (GASTEC)
SIL3 Certified to IEC EN61508
PED Pressure Equipment Directive
EMC & Low Voltage Directive Compliant
RoHS Compliant
Typical Applications
Industrial gas burners
Atmospheric gas boilers
Industrial furnaces
Kilns and thermal processing equipment
Gas trains and gas safety systems
Process heating installations
CHP and energy generation systems
Industrial drying equipment
Natural gas distribution systems
Pressure Gauge & Monitoring Ports
The VMR352 incorporates dual 1/4" BSP gauge ports on the inlet chamber, allowing connection of:
Pressure gauges
Gas pressure switches
Leak testing equipment
Gas proving systems
Monitoring instrumentation
A 1/8" BSP base port is also provided for proof-of-closure devices and valve position monitoring.
Available Voltages
230VAC 50/60Hz (Standard)
110VAC
24VAC
24VDC
12VDC
Optional Features
Low Power Coil (L)
ATEX Zone 2 & Zone 22 Versions
Proof Of Closure Switch PCS4 (P)
Biogas Version (J)
Coke Oven Gas Version (K)
Position Indication Options
Enhanced Environmental Protection Options
Spare Coils
230VAC High Power Coil – VMR1930.1415
230VAC Coil – VMR1930.1416
24VAC/DC Coil – VMR1930.1452
Why Choose The Elektrogas VMR352?
The VMR352 combines EN161 gas safety certification, SIL3 functional safety approval and high-flow industrial performance. With a 20 m³/hr flow capacity, adjustable gas flow control and proof-of-closure capability, it is ideally suited to larger industrial burner systems, gas trains and process heating installations where reliable gas isolation and regulatory compliance are essential.
Pressure:
0.02 Bar (20 mBar), 0.1 Bar (100 mBar), 0.2 Bar (200 mBar), 0.3 Bar (300 mBar), 0.4 Bar (400 mBar), 0.5 Bar (500 mBar), 0.6 Bar (600 mbar), 0.7 Bar (700 mBar), 0.8 Bar (800 mBar), 1 Bar, 1.2 Bar, 1.3 Bar, 1.4 Bar, 1.5 Bar, 1.6 Bar, 2 Bar, 2.5 Bar, 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar
Seals:
NBR, FKM (Viton)
Approvals::
IP54, IP65, EAC, EN161, FM, SIL3
Media:
Gases (Non Aggressive), Gases (Slight Acid/Alakli), Natural Gas
Options required:
Flow Control, Position Feedback Closed
