Pressure Switch Gauges (Ex d)
Combined pressure indication and switching devices offering local visual monitoring and electrical output in a single Ex d certified instrument for hazardous-area installations.
Available Models
Standards & Compliance
Contact our engineering team for detailed technical specifications, installation guidance, and integration support.
Detailed Technical Specifications
| Parameter | Specification | Unit/Notes |
|---|---|---|
| Pressure Range | 0 ... 6,000 | PSI (custom ranges available) |
| Accuracy (Gauge) | Class 1.0 / Class 1.6 | EN 837-1 compliant |
| Switch Type | SPDT (Single Pole Double Throw) | Adjustable set point & deadband |
| Switch Rating | 10A @ 250V AC, 5A @ 24V DC | Resistive load |
| Hazardous Area Certification | ATEX/IECEx: Ex d | -40°C ≤ Ta ≤ +80°C |
| Enclosure Material | 316 Stainless Steel / Aluminum | Corrosion resistant |
| Process Connection | 1/2" NPT, G1/2, 1/4" NPT | Bottom/Top/Back entry options |
| Electrical Connection | M20 x 1.5, 1/2" NPT conduit | Dual cable entries available |
| Dial Size | 100 mm | Standard sizes |
| Media Temperature | -40°C to +100°C | with clear dial |
| IP Rating | IP66/IP67 | Dust & water resistant |
Key Features & Benefits
Space-Efficient Design
Combines pressure indication and switching in one compact unit, reducing panel space and installation complexity.
Robust Safety Construction
Flameproof Ex d enclosure contains any internal explosion and prevents ignition of surrounding atmosphere.
Easy Field Adjustment
External set point adjustment with tamper-proof security options for process optimization.
High Switching Capacity
10A switching capability allows direct control of pumps, valves, alarms, and other equipment.
Flexible Installation
Multiple process connection positions and electrical entries suit various piping configurations.
Industrial Applications
Pressure switch gauges (Ex d) are essential safety and control instruments in hazardous areas across multiple industries.
Oil & Gas Production
Wellhead monitoring, pipeline pressure control, compressor protection in Zone 1/2 hazardous areas.
Chemical Processing
Reactor pressure safety, distillation column control, solvent handling with flammable vapors.
Fuel Storage & Distribution
Fuel depot monitoring, tank farm overpressure protection, loading/unloading safety controls.
Power Generation
Gas turbine fuel supply, boiler feedwater pressure, auxiliary system monitoring.
Water & Wastewater
Pump protection, filter monitoring, chemical dosing control in potentially explosive areas.