
Progressing Cavity Pumps
NETZSCH Barrel Emptying System with NEMO® BH Pump
NETZSCH hygienic barrel/container emptying system with NEMO® BH progressing-cavity pump (not diaphragm metering). Follower-plate vacuum pre-pressure; residual <1%. Official table: 24 bar max; NM003–NM018 capacity column up to 30 m³/h (~900 rpm), NM021–NM063 up to 45 m³/h (~450 rpm).
Max flow
NM003–NM018: up to 30 m³/h; NM021–NM063: up to 45 m³/h
Max pressure
24 bar
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
—
Features
- NEMO® BH progressing-cavity core for continuous low-pulsation flow
- Vacuum under follower plate pre-pressurises product for steady suction
- Residual quantity less than 1%
- Optional heating/cooling jacket for temperature-sensitive media
- Container change without stopping the system
Specifications
| Max pressure | 24 bar |
| Capacity (table) | NM003–NM018: up to 30 m³/h; NM021–NM063: up to 45 m³/h |
| Speed | small type up to approx. 900 rpm; large type up to approx. 450 rpm |
| Residual | < 1% |
| Pump type | system + NEMO BH progressive cavity — non-diaphragm |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Notes | |
| NM003 BH | 24 bar / up to 30 m³/h / up to 900 rpm | |
| NM005 BH | 24 bar / up to 30 m³/h / up to 900 rpm | |
| NM011 BH | 24 bar / up to 30 m³/h / up to 900 rpm | |
| NM015 BH | 24 bar / up to 30 m³/h / up to 900 rpm | |
| NM018 BH | 24 bar / up to 30 m³/h / up to 900 rpm | |
| NM021 BH | 24 bar / up to 45 m³/h / up to 450 rpm | |
| NM031 BH | 24 bar / up to 45 m³/h / up to 450 rpm | |
| NM038 BH | 24 bar / up to 45 m³/h / up to 450 rpm | |
| NM045 BH | 24 bar / up to 45 m³/h / up to 450 rpm | |
| NM053 BH | 24 bar / up to 45 m³/h / up to 450 rpm | |
| NM063 BH | 24 bar / up to 45 m³/h / up to 450 rpm |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Related / accessories

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