4” oil filled rewindable submersible motors. Elevated starting torque, Mechanical compactness, reliability, superior perfor-mance together with the most complete range of products are the principal features marking the 4MR motors.
TECHNICAL FEATURES
- Motor casing, shaft in Stainless Steel AISI 304 – Shaft end in AISI 303
- Motor support in cast iron G20 – Cover in AISI 304
- Axial and radial thrust ball bearings
- Mechanical seal
- Stator filled with special epoxy resin and hermetical-ly sealed.
- Oversized compensation diaphragm and sand slin-ger protection
- Insulation class F
- Protection IP 58
- Removable cable connector
- NEMA standard coupling dimensions
OPERATING LIMITS
- Maximum voltage fluctuation admissible : + 6% / -10%
- Maximum water temperature: 35°C with at least 0,08 m/sec of water flow speed
- Maximum motor starting per hour: 30
- Maximum immersion depth: 150 mt
- Horizontal or vertical operation admitted
- Axial thrust: 1500N from 0,37 kW to 0,75 kW / 3000N from 1,1 kW to 2,2 / 6500N from 3,0 kW to 7,5 kW / 4000N optional
