LIQUID RING SELF-PRIMING ELECTRIC PUMPS

This series STAL of motor-driven pumps consists of self priming pumps with side liquid rings and stellar impeller, have been designed to pump clean liquids, without abrasives and suspended solids, non-explosive or aggressive for the pump’s materials.

• Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 90 °C for other use, while the ambient temperature must not be higher than 40 °C
• Flow rate up to ~ 2.5 m3/h
• Heads up to ~ 45 m

TECHNICAL FEATURES

• Pump body: cast iron G20 with anti-corrosive coating
• Motor bracket: cast iron G20 with anti-corrosive coating
• Casing cover: stamped brass UNI- EN 12165
• Impeller: stamped brass UNI- EN 12165
• Pump shaft: stainless steel Aisi 420F
• 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