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How to judge which Roots vacuum pump brand is best for your application, and how to reach a supplier for technical advice and pricing.

How a loss of vacuum system tightness raises the condenser terminal temperature difference, why air in-leakage matters and how to detect it.

The correct way to add oil to a rotary vane vacuum pump, and the key differences between water ring and rotary vane vacuum pumps.

Whether the vacuum pump on a vacuum oven should run continuously, what continuous pumping does to the pump and how to operate it correctly.

The common causes of vacuum pump air leakage and the method for locating and fixing leaks in the pump, fittings, hoses and system.

The problems most often encountered in vacuum pump repair and the solutions and application schemes that resolve them efficiently.

An overview of the vacuum pump types available and a practical method for choosing the one that suits your vacuum level, gas load and process.

Why compressors trip on high pressure, what the alarm indicates and the solutions for causes such as blocked condensers, overcharge and poor airflow.

What ultimate pressure means, whether a larger or smaller figure is better, and the ultimate vacuum a Roots vacuum pump can achieve.

How to judge which imported vacuum pump brand suits your needs, comparing technical support, spare parts availability and cost of ownership.