€498.30 (incl VAT@23%)
The Stairs 4″ ST and Franklin Motor are a very successful pump and motor combination. The Stairs 4″ ST series of pumps are manufactured using high quality materials and are designed to deliver years of dependable service. Pumps are on the floating impeller design which reduces starting torque requirements and reduces the effects of sand in the water. This combined with the Franklin Electric 4-inch Submersible Encapsulated Motors, manufactured in ISO 9001 certified facilities. Theses motors are built for operation in 4-inch diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance-free operation. The motor is filled with a special FES93 fluid, providing frost protection down to -15 ºC storage temperature. A special diaphragm ensures pressure compensation inside the motor. The PSC motor is a single phase motor for operation with run capacitor. The motor is connected to only one capacitor which works permanently as start and run capacitor which comes as standard with these sets.
Applications
Residential potable water supply from deep wells
Municipal and industrial waters supply
Irrigation and other agricultural applications
Fire fighting systems
Pressure boosting in high-rise buildings and other applications
Description
The Stairs 4″ ST and Franklin Motor are a very successful pump and motor combination. The Stairs 4″ ST series of pumps are manufactured using high quality materials and are designed to deliver years of dependable service. Pumps are on the floating impeller design which reduces starting torque requirements and reduces the effects of sand in the water. This combined with the Franklin Electric 4-inch Submersible Encapsulated Motors, manufactured in ISO 9001 certified facilities. Theses motors are built for operation in 4-inch diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance-free operation. The motor is filled with a special FES93 fluid, providing frost protection down to -15 ºC storage temperature. A special diaphragm ensures pressure compensation inside the motor. The PSC motor is a single phase motor for operation with run capacitor. The motor is connected to only one capacitor which works permanently as start and run capacitor which comes as standard with these sets.
Applications
Residential potable water supply from deep wells
Municipal and industrial waters supply
Irrigation and other agricultural applications
Fire fighting systems
Pressure boosting in high-rise buildings and other applications.
Operating Limits
50Hz
Capacity : max. 24 m3/h
Head : max. 289 m
60Hz
Capacity max. 27.6 m3/h
Head : max. 389 m
Liquid temperature : 0゚C to+60゚
Sand content : Max. 50g/ m3
Higher hydraulic efficiency Borehole pumps for 4” wells that set the basis for lower operational costs.
Premium efficiency submersible pumps compliant with the ErP directive. Abrasion resistant construction combined with floating impellers ensure optimum resistance to wear (maximum permissible quantity of sand 50g/m3) making this one of the best pumps on the market for sand handling capabilities.
This submersible borehole pump set is capable of extracting up to 15,000 litres of water per day. On top of that, it’s cost effective and environmentally friendly.
Additional information
Weight | 12 kg |
---|---|
Capacity Ltr | N/A |
Inlet | 230V 1PH |
Max Operating Temperature | 11/4" |
Max Pumping Height | 25 |