SB228: Stolze Mixing Unit Irrigation and Nutrient Dosing Skid – 65 m³/h Capacity, 480V 60Hz, VFD Control, Stainless Frame (Built 2023)

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.