Efficient system integration.
The self-priming multistage Wilo-Medana CH1-L is capable of reaching the highest hydraulic powers. Its compact and robust design with corrosion-resistant components allows use in drinking water applications and at ambient temperatures of up to 50° C. The UL-certified pump offers a wide range of applications for integration into larger systems.
Features/Product benefits
- High efficiency thanks to high hydraulic power
- Easy and quick commissioning and maintenance thanks to large openings for filling and emptying the pumps
- Low noise generation, high durability and high reliability thanks to the neck ring and corrosion-resistant bracket with cataphoretic coating
- Wider application area for system integration with the possibility of use at ambient temperatures up to 50 °C
- Suitable for drinking water applications
- Meets UL certification requirements

Product features
- Compact structure
- Materials in contact with the fluid are made of stainless steel.
- Cataphoresis coated bracket
- Large diameter for filling and emptying
- Rugged pump foot for direct entry into the ground screw connection
- Op: hydraulic quick coupler
Construction
Self-priming, horizontal, multistage pump
APPLICATION
- Water supply and pressurization
- Irrigation
- Industrial processes
Hardware / function
- Block type stainless steel pump
- Union connection
- Single-phase or three-phase alternating current motor
- Single-phase alternating current motor with integrated thermal motor protection (with automatic restart)
Type coding
Example: | Wilo-MEDANA CH1-L.202-1/E/A/10T |
MEDANA | Surface pump product description |
CH | Commercial horizontal |
1 | Product line class (1 = starter, 3 = standard, 5 = premium) |
L | Long Mile |
2 | Single pump nominal flow rate [m³/h] |
02 | Number of single pump stages |
1 | 1 = AISI 304 |
2 = AISI 316L | |
TO | E = EPDM seal |
A | A = Frequency 50 Hz / single phase / 230 V |
B = Frequency 60 Hz / single phase / 220 V | |
C = Frequency 60 Hz / single phase / 230 V | |
D = Frequency 50 Hz / three phase / 400 V | |
E = Frequency 50 Hz / three phase / 230 – 400 V | |
F = Frequency 60 Hz / three phase / 220 – 380 V | |
G = Frequency 60 Hz / three phase / 265 – 460 V | |
I = Frequency 60 Hz / three phase / 460 V | |
10 | Nominal pressure (bar) |
T | T = Threaded connections |
P = Victaulic connections |
Technical data
- Mains connection: 1~230 V (±10%), 50 Hz
- Mains connection: 3~230V-400V (±10%), 50Hz; 265-460V (±10%), 60Hz
- Fluid temperature -20 to +120 °C (EPDM), -20 to +90 °C (FKM)
- Maximum operating pressure: 10 bar
- Max. supply pressure: 6 bar
- Protection class: IPX5
- Nominal diameter of pipe connections: G1” to G2”, depending on model
Materials
- Impellers, stage chambers and pump housing in stainless steel 1.4301/1.4404
- Stainless steel 1.4301 or 1.4404 mil
- EPDM/FKM (Viton) seal
- Mechanical seal: EPDM model: B carbon/silicon carbide; FKM model: B carbon/silicon carbide
- Tungsten carbide/aluminum oxide bearing
- Aluminum pump feet
Scope of delivery
- Pump
- Installation and user manual
Select Model | : | Medana CH1-L |