CMH
Horizontal multistage centrifugal
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MULTISTAGE WATER SYSTEMS
Horizontal Multistage Centrifugal Pumps
Horizontal multistage centrifugal pumps for clean and light process media. The catalog covers stainless-steel and mixed-material variants for water treatment, cooling, industrial cleaning, and pressure systems.
CMHMH-A / MH-B / MH-CCHLCHLF
Catalog reference: pages 16–34SERIES OVERVIEW
Products in this category
MH-A / MH-B / MH-C
Horizontal multistage centrifugal
CHL
Horizontal multistage centrifugal
CHLF
Horizontal multistage centrifugal with aluminum body and stainless impeller
APPLICATIONS
Typical applications
- Water treatment / purification
- Air-conditioning and cooling systems
- Industrial cleaning
- Boiler / condensate support depending on system design
- Aquaculture and fertilization
- Metering and environmental applications
OPERATING CONDITIONS
Catalog conditions
Liquid temperatureNormal: -15°C to +70°C; hot-water type: -15°C to +105°C
Maximum ambient temperature+40°C
Maximum operating pressure10 bar
Motor protectionIP55
InsulationClass F
Typical speed for curves2900 rpm
FEATURES
Key features
- Compact structure with axial inlet and radial outlet
- Fully enclosed air-cooled two-pole motor
- AISI304 stainless-steel parts on CMH / CHLF configurations
- Performance curves stated to ISO 9906:2012 Grade 3B for CMH/MH family
- Suitable for thin, clean, non-flammable media without solid particles or fibers
TECHNICAL DATA
Representative catalog data
Values below are representative examples from the catalog. Always select from the model-specific curve and table for final sizing.
| Example model | Motor (kW) | Catalog family |
|---|---|---|
| CMH2/2-370 | 0.37 | CMH2 |
| CMH2/4-550 | 0.55 | CMH2 |
| CMH2/6-750 | 0.75 | CMH2 |
| CMH4/3-550 | 0.55 | CMH4 |
| CMH4/5-1100 | 1.1 | CMH4 |