Quality Control-Volm Pump | Centrifugal Pump | Vacuum Pump | Multistage Centrifugal Pump | High Pressure Centrifugal Pump | Liquid Ring Vacuum Pump | Screw Vacuum Pump | Roots Vacuum Pump

Key Quality Control Points

Guided by international and industry management systems such as ISO 9001/14001/45001, HSE in the oil and gas industry, and EU CE,
Volm has established a complete quality management system that runs through the entire production process.

Mold Inspection

·Key dimensions

·Surface quality

·Structural integrity

Casting/Forging Finished Product Control

·Appearance quality

·Internal quality

·Dimensions

·Material properties

Machining Process Control

·Key dimensions

·Geometric tolerance

·Surface roughness

·Dynamic balancing

·Hydrostatic test

Assembly Process Control

·Component surface cleanliness

·Component assembly precision

·Assembly clearance

·Assembly reliability

Performance Testing

·Operational parameters: pressure/flow/temperature/RPM/power

·NPSH cavitation test

·Noise level test

·Vibration test

·Continuous operation stability test

Pre-Shipment Inspection

·Appearance and dimensions

·Product integrity

·Packaging quality

·Labels and tags

·Delivery information

ISO 9906 Class-1 Testing Center
100% Testing for All Pumps/Compressors

Testing Center for Centrifugal Pumps, Liquid Ring Pumps and Compressors

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This 5,000 m² testing center houses a 5,000 m³ reservoir ( 12m depth) and 12 open/closed test stations. Equipped with self-developed, industry-leading Computer-Aided Test System and comprehensive high-precision instrumentation, it also allows for real-time monitoring in the central control room and via on-site display screen. It can satisfy ISO 9906 Class-1 Accuracy.

ISO 9906 Class-1 Accuracy Certificate for Centrifugal Pumps

ISO 9906 Class-1 Accuracy Certificate for Liquid Ring Pumps and Compressors

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Voltage

380 V-10,000 V

Max. Flow Rate (Centrifugal Pumps)

18,000 m³/h

Max. Capacity (Vacuum Pumps and Compressors)

40,000 m³/h

Max. Pressure (Compressors)

1.6 MPa

Max. Power

3,500 kW

Max. Head (Centrifugal Pumps)

4,000 m

Ultimate Vacuum (Vacuum Pumps)

1 Pa

Max. Pipe Pressure

45 MPa

1000 m² Dry Vacuum Pump Testing Center
Compliant with National Standards, Strictly Controlling Product Quality

Testing Center for Dry Vacuum Pumps

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This 1,000 m² testing center executes comprehensive testing on dry vacuum pumps, including: pumping speed, ultimate pressure, leak rate, and lubricant temperature rise, etc. Fully compliant with GB/T25753.1-2010, GB/T25753.2-2010, GB/T25753.3-2011, GB/T25753.4-2015, GB/T19956.1-2005, and GB/T19956.2-2005 standards.

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