DAB DP Series Self Priming Centrifugal Cast Iron Deep Well Pumps with Pressure Switch

The DAB DP Series with Pressure Switch is a heavy-duty, self-priming deep well pump designed to deliver consistent water pressure from extreme suction depths of up to 27 metres. Engineered for use with DAB deep well injector kits (E20, E25, E30 – sold separately), this system is ideal for boreholes, offset wells, and river or dam water extraction where high head performance is essential.

Constructed from corrosion-resistant cast iron and fitted with an adjustable pressure switch, the pump automatically controls start/stop functions and maintains stable system pressure for rural households, irrigation systems, and agricultural operations.

Internally, the DP Series features a technopolymer impeller and diffuser, stainless steel wear rings, and a carbon/ceramic mechanical seal for durability and efficiency. The asynchronous TEFC motor is cooled by external ventilation and includes built-in thermal and current overload protection in single-phase versions.

This pump is supplied with a pressure switch for automatic operation. A pressure tank and deep well injector kit (E20, E25, or E30) are required for full installation and must be purchased separately.

FEATURES

• High-head deep well pump with suction capability up to 27m (with injector kit)
• Cast iron pump body and motor support for long-term durability
• Includes adjustable pressure switch for automated pressure control
• Compatible with DAB injector kits (E20, E25, E30 – sold separately)
• Ideal for offset bores, river suction, and rural deep well supply
• Quiet, asynchronous TEFC motor with thermal overload protection
• Technopolymer internals and brass venturi nozzle for corrosion resistance
• Suitable for use in water systems requiring high pressure and long suction lines

APPLICATIONS

• Supplying water from deep bores or offset wells to homes and farmhouses
• Agricultural irrigation and pressure boosting
• Pumping from rivers, dams, or deep tanks
• Livestock watering systems or rural water supply infrastructure
• Boreholes 100mm diameter or larger

PERFORMANCE OVERVIEW

• Max Suction Depth: 27 metres (with appropriate injector kit)
• Operation: Automatic start/stop via pressure switch
• Pump Type: Twin-stage deep well jet pump
• Bore Size Requirement: Minimum 100mm
• Recommended Accessories: Pressure tank and DAB injector kit (sold separately)

MATERIALS

• Pump Body & Motor Support: Cast Iron
• Impellers & Diffusers: Technopolymer
• Wear Rings: Stainless Steel
• Mechanical Seal: Carbon/Ceramic
• Ejector Body: Cast Iron
• Venturi Tube: Technopolymer
• Nozzle: Brass
• Motor Type: Asynchronous, TEFC, air-cooled
• Voltage: 220–240V Single Phase / 230–400V Three Phase
• Thermal Protection: Built-in (single-phase)
• Three-Phase Protection: External overload protection required
• Insulation Class: F
• Motor Protection: IP44 (motor), IP55 (terminal block)