Anhui Showy Agricultural Irrigation Technology Co., Ltd. delivers the center pivot corner arm as a strategic field optimization tool designed for commercial agriculture. Our system extends standard circular pivot coverage into previously unreachable corners and irregular boundaries, reclaiming up to 20% additional acreage per field. Backed by a 60,000 m² manufacturing facility producing 1,800 pivot systems annually, our corner arm integrates SAIT variable rate irrigation technology with GPS/BDS positioning accuracy, ensuring uniformly distributed water application even at maximum extension. The hot-dip galvanized structure meets a minimum zinc coating thickness of 80μm for 20+ year operational durability.

The center pivot corner arm operates as an automated extension mechanism attached to your pivot's end tower. When the main pivot approaches field corners, GPS/BDS positioning triggers the swing arm to unfold automatically.
Precision steering algorithms calculate optimal extension angles to match field boundaries. Individual solenoid valves control each nozzle along the arm span, pulsing water flow based on real-time positioning data.
This intelligent control maintains uniform application rates whether the arm is fully extended or partially retracted. The system prevents boundary encroachment through programmable no-spray zones stored in the controller memory.

| Parameter | Options |
|---|---|
| Main Pipeline | 5" (127mm), 6-5/8" (168mm), 8-5/8" (219mm) |
| Span Length | 37.5m / 43.3m / 49.1m / 54.9m / 60.7m / 66.5m |
| Overhang Length | 2.7m / 5.5m / 8.2m / 11m / 16.5m / 19.5m / 25m |
| Span Height | 2.1m / 2.9m / 3.8m / 4.5m |
| Outlet Spacing | 1.9m / 2.9m (Customizable) |
| Wheel Size | 11.2-24 / 14.8-24 / 16.9-24 (Tube/Tubeless) |
| Cable Type | Armored Cable (UL Listed) |
| Gearmotor | 25.5:1 (1.5hp) / 40:1 (0.75hp) |
| Wheel Gearbox | 50:1 / 52:1 |
| Truss Rod | 20mm / 22mm |
Water Efficiency Beyond Standard Pivots
Your corner arm system saves over 70% water compared to flood methods while covering those unproductive corner acres. A single unit handles 4 to 200 hectares per cycle with integrated fertigation capabilities.
Built for Decades of Operation
Hot-dip galvanization protects every structural component from chemigation corrosion. Our proven track roller connections use oversized rollers and reinforced wear plates to handle the additional steering stress.
Intelligent Automation Control
The SAIT smart system enables remote scheduling and zone-based irrigation through cloud connectivity. Variable rate irrigation algorithms adjust flow rates automatically based on soil moisture data and crop requirements.
Wide-profile T-bar mounting ensures structural stability during high-wind operation. The dual-tower bracket design distributes load efficiently across drive units, reducing mechanical stress during frequent direction changes.

Our technical team provides on-site installation support for seamless integration with your existing pivot infrastructure. Most systems retrofit to compatible center pivots with span-end reinforcement and control panel upgrades.
The installation process includes GPS base station calibration for sub-meter positioning accuracy. We configure boundary maps and no-spray zones according to your field's legal property lines and environmental restrictions.
Hydraulic or pneumatic swing joints connect the corner arm pipeline to your main span. These components require annual inspection and lubrication every 500-1000 operating hours to maintain smooth articulation.

Large-Scale Commodity Production
On rectangular 160-acre quarter sections, your center pivot corner arm reclaims 7-8 acres per corner for corn and soybean rotations. This additional acreage directly impacts your per-acre revenue calculations.
High-Value Specialty Crops
Potato and onion growers benefit from uniform moisture control that the corner system provides around pump houses and tree lines. Consistent pressure maintenance ensures grade quality across the entire harvested area.
Water-Limited Regions
In areas with strict allocation limits, GPS-defined spray zones prevent legal boundary violations while maximizing your permitted water use efficiency. Precision application reduces waste on irregular topography.
We ensure reliability through comprehensive testing protocols before shipment. Ultrasonic weld inspection confirms structural integrity at critical stress points where swing towers connect to main spans.
Galvanization thickness verification guarantees corrosion protection meets your long-term investment requirements. Guidance system calibration testing validates steering response accuracy under varying field conditions.
Pressure loss analysis confirms booster pump performance maintains required PSI when the arm reaches full extension. Factory alignment testing prevents structural stress during high-speed pivot travel cycles.
Q: How does the system maintain pressure at full extension?
A: Integrated centrifugal booster pumps activate automatically as the arm unfolds. These pumps compensate for friction loss and ensure end-gun performance meets design specifications.
Q: Can I add this to my current pivot?
A: Yes, if your base structure and control panel support modern telemetry. Retrofitting typically requires span-end tower reinforcement and controller upgrades for GPS integration.
Q: What happens if GPS signal is lost?
A: Failsafe protocols engage immediately. Secondary sensors switch to dead-reckoning mode, safely retracting the arm and stopping travel to prevent boundary encroachment.
Q: Does the extra weight cause tracking problems?
A: High-flotation tires and independent steerable drive motors distribute the load effectively. These components provide necessary torque for operation in heavy soil conditions without compromising mobility.
Q: How is irrigation uniformity achieved?
A: The SAIT variable rate system uses solenoid valves to control each nozzle individually. GPS/BDS positioning data triggers corner arm nozzles to pulse on and off, delivering precise flow rates for optimal uniformity in edge plots.
Ready to maximize your field's productive acreage? Contact our team at kevin@showyirrigation.com for customized center pivot corner arm solutions tailored to your specific field geometry and crop requirements.
Get a tailored irrigation solution for your project — our engineering team is ready to support you from design to installation.