ESPA Pumps UK

ES4 02

£167.00£315.00 £133.60 - £252.00

Integral, multi-stage, submersible, centrifugal electric pumps with floating impellers for wells from 4″

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SKU: ES4-02 Categories: ,

Specially designed for supplying homes, farms, irrigation sprinklers and pressure equipment from wells.

Manufactured with floating impellers made from high-quality thermoplastic material providing excellent resistance to the effects of abrasion and blocking of the hydraulic system by sand in the wells.

They are provided with a NEMA coupling for connection to 4″ motors.

Outstanding features include the sturdiness of the head and coupling foot, made of a micro-fusion of stainless steel, and an adaptor for holding cables of up to 7 mm. They include a suction grille with 4.5 mm pitch to prevent the entry of solids into the hydraulic part.

The head always includes a check valve to protect the pump in the case of water hammer.

SERIES FEATURES ES4 02

Equipment

  • Check valve: Yes
  • Draining plug: No
  • Fittings: Screw
  • Support base: Included

Manufacturing characteristics

  • Discharge connection type: Nut
  • Discharge diameter: Rp 1/4″
  • Impeller type: Closed
  • Minimum well diameter: 4″
  • Solid passage (mm): 4.5
  • Stages: Multi stage centrifugal pump

Usage limits

  • Liquid temperature (ºC): Min: 4 – Max: 35
  • Maximum no. of motor start-ups (start-ups/minute): 0.5
  • Maximum sand concentration (g/m3): 150
  • Maximum submersion (m): 150 m with motors O4I. 70m with motors A4I

Materials

  • Diffuser: Technopolymer
  • Discharge body: Stainless steel AISI 304
  • Filter materials: Stainless steel AISI 304
  • Gaskets: NBR
  • Impeller/s: PPO + 30% GF
  • Nuts and bolts: Stainless steel AISI 304
  • Outer pump body: Stainless steel AISI 304
  • Pump shaft: AISI 304
  • Suction body: Stainless steel AISI 304
  • Suction base material: Stainless steel AISI 304

OPERATING CURVES

HYDRAULIC SPECIFICATIONS

DIMENSIONS

ES4 Instruction Manual

PDF · 122.81 KB

ES4 02 Data Sheet

PDF · 481.74 KB

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