DAB JET DP 251MP Cast Iron Jet Pump Deep Well With Pressure Switch

• Pressure switch with adjustable differential
• Pressure gauge
• 240V single phase TEFC motor with in-built auto reset thermal overload to prevent pump from damage
  
• A pressure tank is required

Constructional features of the pump

• Pump: Cast iron pump body and motor support. Technopolymer impeller and diffuser.
• Stainless steel adjustment ring. Carbon/ceramic mechanical seal.
• Ejector: Cast iron body. Technopolymer A Venturi tube and brass nozzle.
• The ejector is available in three models (E20 – E25 – E30) to be chosen according to performance requirements.

Constructional features of the motor

• Asynchronous motor, closed and cooled with external ventilation.
• Rotor mounted on oversized greased sealed-for-life ball bearings.
• Built-in thermal and current overload protection and a capacitor permanently in circuit in the single-phase version.
• For the protection of the three-phase motor, it is advisable to use a suitable overload protection complying with the regulations in force.
• Manufactured according to CEI 61-69 standards (EN 60335-2-41).
• Motor protection: IP 44
• Terminal box protection: IP 55
• Insulation class: F

Operating range: up to 4.3 m3/h.

• Liquid quality requirements: clean, free from solids or abrasive substances, not viscous, not aggressive, not crystallized, chemically neutral, close to the characteristics of water.
• Liquid temperature range: from 0°C to +35°C for domestic use (EN 60335-2-41) from 0°C to +40°C for other uses
• Maximum ambient temperature: +40°C
• Maximum operating pressure: DP 82 – DP 102 6 bar (600 kPa), DP 151 – DP 251 8 bar (800 kPa)
• Installation: fixed in a horizontal position
• Special executions on request: other voltages and/or frequencies