Wilo Pumps - MultiPress HMP

Design

 

Non-self-priming water – supply unit

 

Application

 

  • Water supply
  • Sprinkling
  • water Irrigation and water spraying

 

Type key

 

Example: HMP-305-EM
H System consisting of a pump with diaphragm pressure vessel
MP MultiPress (multistage, non-self-priming, horizontal centrifugal pump)
3 Nominal flow rate Q in m³/h
05 Number of impellers
EM Single-phase current, 1~230 V, 50 Hz
DM Three-phase current, 3~230/400 V, 50 Hz

 

Special features/product advantages

 

  • Ideal system for supplying water throughout the building
  • Low-noise due to multistage design
  • All parts in contact with the fluid are corrosion-free
  • Reduction of switch-on frequency and avoidance of pressure surges due to large-sized 50 l diaphragm pressure vessel

 

Technical data

 

  • Mains connection 1~230 V, 50 Hz / 3~400 V, 50 Hz
  • Max. inlet pressure 6 bar
  • Fluid temperature +5 °C to +35 °C
  • Max. operating water pressure 10 bar
  • Pressure switch setting range 1-5 bar
  • Protection class IP 54
  • Suction- and pressure-side connection Rp 1

 

Equipment/function

 

  • Directly flanged motor
  • Pressure switch
  • Diaphragm pressure vessel
  • for use with single-phase motor
    • Connection cable with plug
    • Thermal motor protection switch

 

Materials

 

  • water Pump housing made of 1.4301 stainless steel
  • Impeller made of Noryl
  • Shaft made of 1.4057 / 1.4404 stainless steel (1.1 kW)
  • Mechanical seal made of carbon/ceramic
  • Stage chambers made of Noryl
  • Seal made of NBR

 

Scope of delivery

 

  • Pump for water
  • Pressure switch
  • Pressure gauge
  • Diaphragm pressure vessel (50 l)
  • Pressure hose with steel casing and screwed connection
  • Installation and operating instructions

 

Accessories

 

  • Protection against low water level:
    • Float switch WAEK 65 with small switchgear (only for EM version),
    • Float switch WA 65,
    • SK 277 with three submersible electrodes,
  • Pressure switch WVA,
  • WILO Fluidcontrol (EK),
  • System switching:
    • Float switch WAO 65,
    • Float switch WAO EK 65 with small switchgear (only for EM version).
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