Description
SAU Retrofit Conversion for Gate Systems
The SAU Retrofit Conversion from BarrierStop.com provides a complete solution for upgrading outdated or failed gate systems to a modern electro-mechanical configuration. This retrofit package replaces older hydraulic or legacy mechanical devices with a more efficient, low-maintenance SAU drive system designed for demanding security environments.
By converting aging gate infrastructure rather than replacing the entire system, municipalities, commercial facilities, and government agencies can extend service life while improving performance and reliability.
Why Choose a SAU Retrofit Conversion?
Upgrading to an SAU Retrofit Conversion offers several advantages:
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Reduced mechanical maintenance and fluid leaks
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Improved reliability in harsh weather environments
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Faster actuation speeds and consistent operation
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Lower electrical and service costs over lifespan
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Extends the usable life of existing barriers
This retrofit is ideal for facilities that need enhanced performance but want to avoid the cost and downtime of full system replacement.
System Components & Features
| Component | Description |
|---|---|
| SAU Drive System | Electro-mechanical upgrade replacing hydraulic power units |
| Retrofit Mounting Hardware | Custom-fit brackets and adapters |
| Electrical Integration Kit | Wiring harness, controls, safety integration |
| Weather-Rated Housing | Harsh-environment enclosure options |
All components are built for high duty cycles, heavy-demand applications, and long-term field performance.
Installation Options
We offer retrofit configurations to suit existing infrastructure:
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Direct-replace conversion from failed operators
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Field retrofit with minimal structural modification
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Complete actuator replacement for legacy gate arms
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Custom engineered conversions for unique layouts
Installation support and drawings available upon request.
Common Applications
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Military and defense facilities
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Government access points
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Industrial yards and logistics terminals
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Restricted municipal roadways
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Secure private facilities
This system pairs well with:
🔗 Wedge / Plate Barriers
https://barrierstop.com/product-category/wedge-barriers/
🔗 Drop Arms
https://barrierstop.com/product-category/drop-arms/
Technical Details
| Specification | Details |
|---|---|
| Power Type | Electro-mechanical SAU system |
| Duty Cycle | High-frequency operation |
| Maintenance | Low, no hydraulic servicing |
| Environment | Outdoor weather-sealed |
| Integration | Existing bases & barrier arms |
Compliance & Safety Considerations
While specific regulatory compliance depends on installation conditions, SAU retrofits may support broader safety and security requirements depending on configuration.
Helpful reference standards:
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Federal Highway Safety Standards → https://safety.fhwa.dot.gov
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DHS Protective Design Guidelines → https://www.dhs.gov/science-and-technology
Request Pricing & Technical Specs
Pricing varies based on existing hardware, site conditions, and required components.
📞 Call: 602-489-4392
📩 Request a Quote: https://BarrierStop.com/request-quote
Warranty & Support
Retrofit packages include:
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Warranty coverage (varies by configuration)
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Technical support for installation
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Engineering drawings and documentation
Extended service plans available upon request.
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EMR9000 – Electro Mechanical Retrofit. The Electro-Mechanical (SAU) Retrofit replaces poorly performing electric actuators … and more commonly the hydraulic system (originally used to raise and lower the barrier). The SAU (or Sealed Actuating Unit) replaces the hydraulic cylinders and only minor changes are made to provide clearance. As a result. no major changes are made to the barrier structure that would affect its crash rating. Are you ready to stop using hydraulics and say goodbye to all the headaches resulting from hose leaks, breaks, ruptures and breakdowns.
The original electrical control box, hydraulic pump, pump motor, hydraulic valves, fluid tank, hydraulic accumulators, hoses, and cylinders are completely removed and replaced with the All-Electric SAUs and a new electrical control cabinet. Battery backup (optional) may also be added to the system and provides a smooth barrier operation during a power failure.
TIRED OF BROKEN HYDRAULIC LINES?
GET THE FACTS:
The SAU utilizes an internal ball screw to convert the rotary motion of the internal motor to the linear push and pull motion required by the barrier. This ball screw mechanism is extremely efficient and has a rated life over 300,000 cycles. The springs on each actuator provide some of the lifting force required and therefore reduce the peak electrical demands and overall power consumption of the system.
CONVERT VIRTUALLY ANY BARRIER
- Wedge Barriers
- Bollard Barriers
- Drop Arm Barriers
- Crash Gates
An industrial grade PLC (Programmable Logic Controller) is incorporated into the electrical control cabinet. This helps coordinate all of the functions performed by the system. Any present and incorporated control or auxiliary devices are processed and controlled by the PLC. Examples include vehicle loop detectors, manual push buttons, traffic signal lights, and access control software. The external system all send or receive signals to and from the actuator system. The program in the PLC determines the exact operating functions and features that are performed by each system. The PLC program can easily be modified to change, adjust, or add the features necessary to satisfy the exact operation desired for each barrier system.
REPLACE YOUR HYDRAULICS TODAY
- Ditch the oil.
- No more leaks.
- Avoid the spills.
- Stop the ruptures.
- Say goodbye environmental clean-up.
- Go ALL ELECTRIC.
The battery backup system allows each plate barrier system to be operated while power is off. The battery backup unit not only provides the power for the actuators to lift the barrier, but also provides the DC power. DC power is required for the control system and signal lights to operate normally. The switching over from AC operation to DC is seamless. The only difference that will be noticeable when the system is running on battery backup power is that the move speeds (especially EFO) may be a little slower. The system will automatically switch back to AC power when it is available.
The battery backup system is charged from a dedicated 120 VAC circuit wired into the barrier enclosure. This makes it possible for the power to remain on when primary power is off. In this situation, the battery operation life would extend well beyond the normal time and number of barrier cycles.
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