Non-Self-Priming Multistage Pump

Wilo Non-Self-Priming Multistage Pump

Multistage Pump is Bangladesh wilo is number 1 brand. Wilo Multistage, non-self-priming, horizontal high-pressure centrifugal pump in block design with horizontal suction- and vertical pressure port. The pump has a compact design with a continuous motor pump shaft and a bidirectional mechanical seal. The pump is suitable for water supply and pressure boosting, industrial recirculation systems, process water and cooling water circuits. It can also be used in washing systems as well as for irrigation.

Equipment/Function

• Stainless steel in monobloc design
• Threaded connection
• Single-phase or three-phase AC motor
• Single-phase AC motor equipped with built-in thermal motor protection (with automatic restart)

Materials

• Impellers, stage chambers and pump housing made of 1.4301/1.4404 stainless steel
• Shaft 1.43.01 or 1.4404 stainless steel
• Seal EPDM (EP 851) / FKM (Viton)
• Mechanical seal
• EPDM version: B-carbon/silicon carbide
• FKM version: Silicon carbide/B-carbon
• Bearing tungsten carbide/aluminium oxide
• Pump base aluminium

Application

• Water supply and pressure boosting
• Commerce and industry
• Cooling water circulation systems
• Washing and sprinkling systems
• As Feed Pump of Water Treatment Plant
• CIP System of Water Treatment Plant

Special Features / Product Advantages

• IE2-IEC three-phase AC motor (≥ 0.75 kW)
• All parts that come in contact with the fluid are made of stainless steel 1.4301 (AISI 304) or 1.4404 (AISI 316L)
• Space-saving, compact design
• Drinking water approval for all components that come in contact with the fluid (EPDM version)

Motor

• Insulation class: F
• Protection class: IP X4
• Mains connection: 1~230 V, 50 Hz
• Rated power: 0.55 kW
• Power consumption: 0.84 kW
• Nominal current 1~230 V, 50 Hz: 4.0 A
• Motor efficiency: 59.2 %
• Motor efficiency: 64.4 %
• Motor efficiency: 63.9 %

Technical Data

• Mains connection 1~230 V (±10 %), 50 Hz or optionally 220 V (±10 %), 60 Hz
• Mains connection: 3~230 V (±10 %), 50 Hz (Δ) or optionally 265 V (±10 %), 60 Hz (Δ), 400 V (±10 %), 50 Hz (Y) or optionally 460 V (±10 %), 60 Hz (Y); efficiency class: IE2 same motor also: 3~220 V (±10 %), 60 Hz (Δ), 380 V (±10 %), 60 Hz (Y); efficiency class: IE1
• Fluid temperature of -15 to +110 °C
• Max. operating pressure 10 bar
• Max. inlet pressure of 6 bar
• Protection class 1~: IP X4; 3~: IP 54
• Nominal diameters of pipe connections: Rp 1, Rp 1 ¼ or Rp 1 ½, depending on type

Note on inlet pressure

The maximum inlet pressure is calculated by subtracting the maximum delivery head of the pump at Q= 0 from the maximum operating pressure of the system.

Technical support and Quote

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