ENAR
Industrial
Engine Explosion Protection
The Engine Explosion Protection Relief Valve system is designed to protect engines, piping systems, and personnel from damage caused by gas or oil-mist explosions. Manufactured by Hydrorex, the system uses reusable, flameless explosion venting technology to safely relieve overpressure while preventing flame transmission.
System TypeFlameless Explosion Relief Valve
Function Overpressure Relief with Flame Arresting
Certification ATEX / IACS Approved
Operation Automatic Pressure-Activated Valve Plate
Technical specification
| System Type | Flameless Explosion Relief Valve |
| Function | Overpressure Relief with Flame Arresting |
| Certification | ATEX / IACS Approved |
| Operation | Automatic Pressure-Activated Valve Plate |
| Reset Type | Self Re-closing (Reusable) |
| Maintenance | Virtually Maintenance-Free |
| Installation | Flexible Orientation (Any Position) |
| Testing | 100% Function & Opening Pressure Tested |
| Temperature Range | Suitable for Wide Temperature Variations |
| Protection Scope | Engines, Piping Systems, Crankcase Protection |
Features
- Flameless explosion relief technology
- Protects engines, piping, and personnel from explosion hazards
- ATEX and IACS certified safety design
- Automatic re-closing after pressure release (no shutdown required)
- Virtually maintenance-free operation
- Flexible installation in any orientation
- Each unit tested for function and opening pressure
- Reliable performance across wide temperature ranges
- Designed for continuous industrial and marine operation
Valve Types
| Model | Application Area | Opening Pressure |
|---|---|---|
| EVT Series | High-pressure intake & exhaust manifolds | Above 2.0 bar |
| EVM Series | Low-pressure exhaust & downstream piping | From 0.2 bar |
| EVO Series | Crankcase oil-mist protection (ambient/low pressure) | From 0.05 bar |
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