Offered is Lot SB219, a Stolze Pump Unit irrigation control skid serving Nutrient Zones 1 through 3 at Bowery Farming’s hydroponic facility in Locust Grove, GA.
This stainless steel, PLC-controlled system delivers precise nutrient and irrigation water distribution, featuring independent dual-pump circuits per zone for redundancy and pressure control.
The skid integrates multiple Danfoss VFD drives, Lowara pump assemblies, and manual/auto selector switches for zoned operation.
Built in February 2023, this equipment was part of a fully automated irrigation network designed to serve large-scale vertical and greenhouse crop systems.
Key Technical Details:
Manufacturer: Stolze B.V.
Model Type: Pump Unit – Nutrient Zones 1, 2, and 3
Production Date: 02/2023
Project Number: 22PAG0020 EP813
Voltage: 480 V
Frequency: 60 Hz
Total Installed Load: 89 kW
Capacity: 2 × 130 m³/h per nutrient zone (total six pumps)
Working Pressure: 2.5 bar
Frame: Stainless steel structural skid with modular support and access
Piping: Schedule 80 PVC manifold with full-port valves and pressure gauges
Control Cabinet:
PLC control with labeled manual/auto selector switches per pump
Zone status and alarm indicators
Key-lock main disconnect and safety interlocks
UL-rated enclosure (E475122)
Drives: Multiple Danfoss VLT Aqua Drive VFDs
Pumps: Lowara motor-driven centrifugal units, 3-phase
Applications: Multi-zone irrigation, fertigation, or process recirculation in hydroponic or greenhouse facilities
Condition: In-place installation; complete and operational at time of decommissioning. Buyer responsible for lockout/tagout, plumbing disconnection, and rigging/removal per facility and EPA standards.
