Products > Submersible bore hole pumps & motors > Submersible borehole pumps

STAIRS SP 4"
STAIRS SP 4" pumps are made of corrosion and abrasion resistant stainless steel and have been developed in accordance with state-of-the-art technology. The SP series of pumps are manufactured to the highest standards for energy efficiency, dependable performance, rugged construction and lone service life.

SPECIFICATIONS
• Max flow 18 m3/h, max head 285 m
• For clean, non corrosive and non-abrasive liquids
• Max sand content 50 gr/m3
• Max ambient temperature (liquid) 30°C
MATERIALS
• All metal parts in AISI304, excelpt the shaft, which is mad of AISI431
• Heavy duty discharge head with built-in check valve
• Smooth safety hook
• Mounting specifications are according to NEMA standards
• High quality shaft bearings providing low friction and high wear resistance
• Heavy duty stainless stell impellers and diffusers ensuring optimal performance
• Stainless steel strainer to restrict the entry of sand and other extraneous material

SP 4" pumps are coupled to all 4" bore hole motors.

STAIRS SP 6"
STAIRS SP 6" stainless steel submersible pumps are made of high quality 304 or 316 corrosion resistant stainless steel. Shafts are made o high strength 431 stainless steel. The pumps are designed for efficient and dependable performance and a long and trouble-free life. The pumps are light in weight and ruggedly constructed for heavy duty applications.

SPECIFICATIONS
• Max flow 78 m3/h, max head 433 m
• For clean, non corrosive and non-abrasive liquids
• Max sand content 50 gr/m3
• Max ambient temperature (liquid) 30°C
MATERIALS
• All metal parts in AISI304, excelpt the shaft, which is mad of AISI431
• Heavy duty discharge head with built-in check valve
• Mounting specifications are according to NEMA standards
• High quality shaft bearings providing low friction and high wear resistance
• Heavy duty stainless stell impellers and diffusers ensuring optimal performance
• Stainless steel strainer to restrict the entry of sand and other extraneous material


SP 6" pumps are coupled to all bore hole motors.
For power up to 7,5kw, they are available with flange for either 4" or 6" motors

DAB 3" MICRA
Borehole electric pumps for 3” wells or larger. These units have a very extensive range of applications for lifting and distribution in domestic and industrial water systems, filling of pressure vessels and tanks, pressurisation and irrigation systems.

SPECIFICATIONS
• Max flow 2,7 m3/h, max heas 90 m
• For clean, non corrosive and non-abrasive liquids
• Max sand content 50 gr/m3
• Max ambient temperature (liquid) 35°C
MATERIALS
• Top and bottom body in brass.
• Outer sleeve in AISI304, cable guard in AISI430
• Impellers and diffusers in technopolymer
• Shaft in AISI430
• Build-in check valve
MOTOR DATA
• PSC type motor
• 1~ types require control box with starting capacitor and thermal protection
• Cable MICRA50 1m, cable MICRA75 1,2m, cable MICRA100 2m

DAB 4" CS4
Bore hole pumps for 4” wells or greater capable of developing a wide range of flow rates and heads. These pumps can be used in a wide range of lifting, distributing and pressurising applications in civil and industrial supplies, autoclaves and tanks, fire-fighting and washing installations, irrigation systems.

SPECIFICATIONS
• Max flow 6 m3/h, max head 230 m
• For clean, non corrosive and non-abrasive liquids
• Max sand content 120 gr/m3
• Max ambient temperature (liquid) 40°C
MATERIALS
• Pump liner, shaft with coupling, filter and cable sheath in stainless steel.
• Base (with incorporated filter) in technopolymer.
• Upper head (with incorporated resin check valve) in technopolymer.
• Impellers and diffusers in technopolymer.
• Mounting specifications are according to NEMA standards
• With 15 or 30 meters cable (depends on the model)
MOTOR DATA
• Availble either with DAB 4" motor or with FRANKLIN 4" motor
• Power 0,25 to 1,1kw. Voltage 1~230V/50HZ,  3~380-400/50HZ

DAB 4" S4
Bore hole pumps for 4” wells or greater capable of developing a wide range of flow rates and heads. These pumps can be used in a wide range of lifting, distributing and pressurising applications in civil and industrial supplies, autoclaves and tanks, fire-fighting and washing installations, and irrigation systems.

SPECIFICATIONS
• Max flow 24 m3/h, max head 320 m
• For clean, non corrosive and non-abrasive liquids
• Max sand content 120 gr/m3
• Max ambient temperature (liquid) 40°C
MATERIALS
• Pump liner, shaft with coupling, filter and cable sheath in stainless steel.
• Base in stainless steel
• Upper head in precision-cast AISI 304 steel with steel check valve incorporated
• Impellers and diffusers in technopolymer.
• Mounting specifications are according to NEMA standards

S4 pumps are coupled to all 4" bore hole motors.