DEEP SUCTION ELECTRIC PUMPS

The self-priming centrifugal deep suction electric pumps series STA have been designed to pump clean water from wells of at least 4” when the water level is more than 8 m deep

• Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 60 °C for other use, while the ambient temperature must not be higher than 40 °C
• Flow rate up to ~ 3,6 m3/h
• Heads up to ~ 50 m

TECHNICAL FEATURES

• Pump body: cast iron G20 with anti-corrosive coating
• Motor bracket: in die casting aluminium UNI 5076 (cast iron for STA 150-200)
• Ejector: cast iron G20 with anti-corrosive coating
• Diffuser, Nozzle & Venturi tube: Techno-polymer
• Impellers: polymer (stamped brass UNI-EN 12165 on demand)
• Pump shaft: stainless steel Aisi 304 (Aisi 420 F for STA 80-100)
• Mechanical seal: carbon-ceramics

MOTOR

The control motors are asynchronous, squirrel cage-type, closed, with external ventilation

• Incorporated motor protection and capacitor always on, for single-phase models
• The motor protection for three-phase models must be installed by the customer. Equipment compliant with current standards should be used
• Class of insulation:F-service:S1-Degree of protection: IP 44
• Terminal board protection: IP 54