Product category:
Testing, analysing and monitoring equipment
News Release from: Witt Gas Techniques | Subject: Gas filter, non-return valve, flashback arrestor
Edited by the Engineeringtalk Editorial
Team on 23 March 2007
Gas safety equipment protects steelworks
A combination of a gas filter, non-return valve and flashback arrestor from Witt Gas Techniques can help protect steelworks from production failures during the refining process.
A combination of a gas filter, non-return valve and flashback arrestor from Witt Gas Techniques, the Warrington based gas safety, control, mixing and analysis equipment supplier can help protect steelworks from production failures during the refining process Oxygen and natural gas are mixed to supply a highly flammable mixture to the burner during refining
This article was originally published on Engineeringtalk on 27 Feb 2004 at 8.00am (UK)
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Reverse gas flows and flashbacks could occur leading to the shutdown of production.
Until now the only safety devices available were non-return valves.
The Witt Gas Techniques solution for the protection of the natural gas pipeline comprises a 625 gas filter, to reduce contamination using nickel chromium steel filter inserts, a 339 gas non-return valve with test ports to prevent the formation of explosive mixtures in the pipeline and a parallel connection of five 623 flashback arrestors to guarantee the required high gas flow and stop flashbacks in the pipeline.
A feature of this solution is that because of the test ports on the 339 non-return valves, they do not need dismantling during annual inspections.
A steelworks which recently had Witt Gas equipment installed has a natural gas flow of 350m/h and a low gas pressure of 3 bar and requires a minimum pressure loss for all devices installed.
A high-capacity gas filter, a non-return valve and a parallel connection of five flashback arrestors were used.
The total pressure loss was around 500 mbar.
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