Nocchi Drenox

Summary

Product identification

• Series: DRENOX
• Type: Electric submersible pump for fresh water drainage
• Construction: 100% stainless steel AISI 304
• Features:
  • Motor cooled via a heat exchange chamber, enabling long periods of operation without being completely immersed.
  • Hose bend connector Ø 32 mm supplied.
  • Automatic versions (AUT) are equipped with a float switch.

Applications

• Drainage of infiltration water
• Lifting of rainwater from grilles or drains
• Lifting of domestic waste water
• Emptying of areas, tanks, and swimming pools
• Industrial applications
• Fountains and water features
• Gravity irrigation systems

Operating limits

• Type of liquid: Clear partially loaded or contaminated water, non-aggressive liquids
• Maximum liquid temperature: 40°C
• Maximum immersion below water level: 7 m
• Minimum drainage level (manual version):
  • 3 mm for model 80/7
  • 35 mm for remaining models
• Free transit of solid bodies:
  • 3 mm for model 80/7
  • 6 mm for remaining models
• Rotation speed: 2850 rpm

Electrical

• Protection rating: IP 68
• Insulation class: F
• Single phase power supply: Permanently activated capacitor and thermal cutout protection incorporated in the motor winding.
• Three phase power supply: External protection to be fitted by the user.
• Cable connection: Fully insulated chamber.
• Power cable: 10 m H07 RN-F with plug (for single phase models).
• Voltage:
  • 1 ~ 220 - 240 V (single phase)
  • 3 ~ 400 V (three phase)
• Electrical parameters by model: See the official PDF for exact tabulated values of Motor output (P2), Power Motor (P1), Current (In), and Capacitor (μF).

Mechanical / hydraulic

• Motor: Dry motor with stainless steel body.
• Bearings: Self-lubricating ball bearings.
• Materials of construction:
  • Pump body: Stainless steel X5 CrNi 1810 (AISI 304)
  • Suction grille: Stainless steel X5 CrNi 1810 (AISI 304)
  • Impeller: Cast stainless steel X5 CrNi 1810 (AISI 304)
  • Motor body: Stainless steel X 8 CrNi 18-10 (AISI 304)
  • Motor shaft: Stainless steel with ceramic coating at points of wear on seal
  • Mechanical gasket: Double fixed seal in rubber NBR70 with special sand-proof V-ring, lubricated in oil chamber
• Hose connection: 1" 1/4
• Overall dimensions and weights: See the official PDF for exact tabulated values for dimensions (A, B, C, D), weight, minimum drain level (E*), connection level (F), disconnection level (G), and free clearance (DNM) for each model.
  • Note: Connection/disconnection levels refer to versions with float switch. Minimum drainage level refers to manual operating mode.

Hydraulic performance

• Performance curves are provided in the official PDF, showing Head (H) in meters versus Flow (Q) in m³/h and l/min for models DRENOX 80/7, 160/8, 250/10, and 350/12.
• Tabulated hydraulic performance data (m.c.a. / m.w.c. at various flow rates) is available in the official PDF for each model.

Disclaimer This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror