ZBW250G / ZBW-250 Oil-Free Dry Vacuum Pump
Provide gas composition, vapour and particle load, inlet temperature, target pressure, vessel volume and duty cycle. Confirm the pressure reference and test conditions, gas compatibility, cooling, inlet protection, exhaust treatment and maintenance requirements for the proposed installation. Review connection dimensions and electrical requirements against the configuration documents. Dry operation alone does not establish contamination-free performance or suitability for food, pharmaceutical, cleanroom or laboratory processes; define the application acceptance requirements before selection.


ZBW Series Single-Suction Oil-Free Dry Vacuum Pump Technical Specifications
Listed catalogue values require confirmation for the quoted model, motor and frequency configuration. Nominal displacement is not the flow available at every operating pressure. Confirm the pressure reference, measurement location, gas load and test conditions for the listed pressure figure. Request frequency-specific performance and motor data rather than treating a power range as one configuration. G connection designations are nominal thread sizes; verify the thread standard and dimensions against the drawing. Confirm noise measurement conditions and obtain the packing list for final shipping weights.
| Model | Nominal Displacement (m³/h) | Catalogue Pressure (kPa; Verify Basis) | Motor Power (kW) | Speed (r/min) | Noise dB(A) | Connection Thread (Verify Standard) | Net / Gross Wt. (kg) | Machine Size (L × W × H mm) |
|---|---|---|---|---|---|---|---|---|
| ZBW40E | 40 m³/h | -80 kPa | 1.5 kW | 1420 r/min | 72 | G 3/4" | 60 kg | 650 × 353 × 328 |
| ZBW60E | 60 m³/h | 3 kW | 72 | G 1" | 86 kg | 730 × 360 × 310 | ||
| ZBW80E | 80 m³/h | 3 kW | 72 | G 1" | 86 kg | 730 × 360 × 310 | ||
| ZBW160E | 160 m³/h | 5.5 kW | 77 | G 1 1/2" | 150 kg | 884 × 460 × 336 | ||
| ZBW250G | 250 m³/h (300 m³/h @60Hz) | 5.5 kW – 6.6 kW | 960 r/min | 81 dB | G 2 1/2" | 260 kg (380 kg Gross) | 1256 × 680 × 545 | |
| ZBW320E | 320 m³/h | 11 kW | 1420 r/min | 77 | G 1 1/2" | 400 kg | 1100 × 720 × 1400 | |
| ZBW500G | 500 m³/h | 15 kW | 960 r/min | 82 | G 2 1/2" | 640 kg | 1340 × 1030 × 1600 |
ZBW250G Configuration Review
Process Cleanliness Review
Define acceptable contamination and identify gases, vapours and particles. Confirm the complete gas path, seals, inlet separation and exhaust treatment. Dry compression alone does not establish hydrocarbon-free performance or suitability for hygienic processes.
Frequency and Performance Curves
The ZBW250G catalogue lists 250 m³/h nominal displacement at 50 Hz and 300 m³/h at 60 Hz. Confirm the quoted motor, voltage, phase and frequency. Request pumping-speed and power curves at the required pressure before comparing capacity or energy use.
Installation and Connections
Verify connection size, thread standard, mounting dimensions and permitted orientation against the installation drawing. Review pipework losses, cooling and ventilation, vibration isolation and service access before planning an OEM or replacement installation.
Noise and Maintenance Conditions
Request noise data with its measurement method, operating point and installation conditions. Confirm permitted duty, temperature limits, startup and shutdown sequence and protective controls. Obtain maintenance intervals and instructions for the complete assembly.
Application Requirements to Review
Packaging Process Requirements
Provide chamber volume, target pressure, cycle rate, gas load and acceptable contamination. Review the complete vacuum arrangement and hygiene requirements before selecting a pump for packaging equipment.
Pharmaceutical and Cleanroom Requirements
Define the process, cleanliness criteria, gases, vapours and particles. Request application-specific documentation and review inlet protection, exhaust treatment, materials and cleaning requirements for the complete installation.
Electronics and Vacuum Handling
Specify the suction demand, leakage, number of simultaneous users, pressure stability and duty cycle. Review filtration, pipework and controls against the handling or degassing process.
Drying, Filtration and Distillation
List gas and vapour composition, concentrations, inlet temperatures, condensate load and required operating pressure. Confirm compatibility, separation, cooling and protective controls; request performance curves for the proposed configuration.
Frequently Asked Questions
How should the ZBW250G catalogue ratings be used?
Use the listed displacement as a starting point and request the pumping-speed curve at your required pressure. Confirm the quoted frequency, motor configuration, pressure reference, measurement location and test conditions. Catalogue displacement and a pressure limit do not establish the flow available at that pressure.
What should be checked before connecting the pump?
Verify the connection size and thread standard against the installation drawing and mating fittings. Review pipe diameter, length, valves and filtration for pressure losses. Confirm electrical supply, cooling, orientation and service access for the proposed configuration.
Does dry operation guarantee a contamination-free process?
No. Assess the complete gas path, seals, inlet protection, exhaust treatment and maintenance against the acceptable contamination level. Dry operation alone does not establish compliance with food, pharmaceutical, sterile or cleanroom requirements. Request documentation relevant to the exact application.
What information is needed for installation and shipping?
Request the approved installation drawing and packing list for the quoted configuration. Confirm machine dimensions, service clearances, net and packed weight, package dimensions and lifting instructions. Provide quantity, destination and any packing or handling requirements before shipment arrangements are confirmed.
Ready to Upgrade Your Industrial Vacuum System?
Use the vacuum pump inquiry checklist to provide process conditions, electrical requirements, quantity and destination. Request a proposed configuration, supporting drawings and a project-specific quotation.
