Offered is Lot SB228, a Stolze Mixing Unit irrigation and nutrient dosing control skid, designed for high-accuracy water and nutrient delivery in Controlled Environment Agriculture (CEA) and hydroponic operations.
This skid integrates automated blending, dosing, and irrigation feed control into one PLC-managed system, using Danfoss VFDs, multi-pump assemblies, and real-time pressure and flow regulation.
Constructed in February 2023, this unit was part of Bowery Farming’s advanced fertigation network supplying precise nutrient solutions to multiple grow zones.
Key Technical Details:
Manufacturer: Stolze B.V.
Model Type: Mixing Unit
Production Date: 02/2023
Project Number: 22PAG0020 EP811
Code: OBJJ141-0401
Rated Capacity: 65 m³/h
Working Pressure: 2.0 bar
Filtration: 20 micron
Dosing Capacity:
A/B dosing: Max 1,100 L/hr
pH dosing: Max 370 L/hr
Voltage: 480 V
Frequency: 60 Hz
Total Installed Electrical Load: 15 kW
Construction: Stainless steel frame with PVC manifold and instrumentation
Control Components:
(3) Danfoss VLT Aqua Drive VFDs
Stolze PLC cabinet with touchscreen and manual override switches
Flow and pressure sensors, alarms, and system status indicators
Emergency stop and key-lock disconnect
Condition: Excellent; complete and operational at time of inspection
Applications:
Hydroponic nutrient blending, irrigation control, fertigation, greenhouse automation, or industrial process dosing requiring variable flow and pressure control.
Condition: Installed in place. Buyer responsible for lockout/tagout, electrical disconnection, and rigging/removal per site and EPA standards.
