Hi-Lo Pilot Valves
Hi-Lo pilot valves ensure precise pressure control in hydraulic safety circuits
Dual Pressure Sensing Function
Simultaneously monitors both high and low pressure limits, providing reliable switching signals for safety system activation and deactivation.
High-Precision Sensing
Up ±3% accuracy ensures reliable switching at exact pressure thresholds for safety-critical applications.
Available Configurations
Standards & Compliance
Contact our hydraulic safety team for set point calibration data, switching performance reports, and system integration support.
Detailed Technical Specifications
| Parameter | Specification | Unit/Notes |
|---|---|---|
| Pressure Range | 5 - 10,000 | PSI (adjustable set points) |
| Switching Accuracy | ±3% of set point | Repeatable switching point |
| Set Point Adjustability | Field adjustable | With calibration lock |
| Connection Sizes | 1/4", 1/2" NPT | NPT thread available |
| Body Materials | 316, 316L SS | Corrosion resistant options |
| Seal Materials | Viton, Buna-N, PTFE | Compatible with various media |
| Operating Temperature | -40°C to +120°C | Extended ranges available |
| Mounting Options | Individual & manifold | Flexible installation |
Key Features & Benefits
Individual & Manifold Mounting
Flexible installation options for stand-alone or integrated multi-valve systems to suit various space and layout requirements.
Stable Switching Performance
Consistent, repeatable switching without chatter or false signals, ensuring reliable safety system operation.
Designed for High-Pressure Service
Engineered for reliable operation in hydraulic systems up to 10,000 PSI with robust construction and premium materials.
Accurate Pressure Sensing
±3% set point accuracy ensures precise switching at exact pressure thresholds for safety-critical applications.
Dual Pressure Function
Hi-Lo configuration monitors both high and low pressure limits for comprehensive safety system protection.
Long Cycle Life
Designed for > 1 million switching cycles with minimal maintenance, ensuring long-term reliability.
Industrial Applications
Hi-Lo pilot valves provide critical pressure sensing and control in safety-critical hydraulic systems across various industries.
Wellhead Safety Logic
Pressure monitoring and safety system activation in oil & gas wellhead control systems and blowout preventer control.
Hydraulic Control Panels
Pressure sensing and safety functions in hydraulic power units, machinery controls, and mobile equipment.
Process Safety Systems
Safety instrumented systems (SIS) for pressure protection in chemical, petrochemical, and refining applications.
Compressor Protection
High and low pressure monitoring for compressor protection and safety shutdown systems.
Water Hydraulic Systems
Pressure control in high-pressure water hydraulic systems for mining, steel production, and water jet cutting.