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).