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HOME --> MELT SHOP EQUIPMENT --> Reduced Pressure Tester

Foundry Products:
Reduced Pressure Tester

Overview

Whenever degassing is a requirement of the melting process, it is desirable to verify the effectiveness of the degassing process. Palmer supplies a simple, easy to use partial pressure test unit for this verification.

To use, the operator warms a sample cup, dips the cup into the furnace for a metal sample, quickly places the sample into the vacuum chamber, and starts the vacuum pump.

The aluminum solidifies under a vacuum causing any entrained hydrogen gas bubbles to expand greatly. Once solid and cooled, the sample is cut in half and compared to the chart below for gas level analysis.

SPACER20

Resource Center

Chart Gas Comparative Analysis.
Catalog Portable Rotary Degasser for Aluminum.

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