Product category:
Testing, analysing and monitoring equipment
News Release from: Witt Gas Techniques | Subject: BM-2M portable gas mixer
Edited by the Engineeringtalk Editorial
Team on 19 December 2005
Mixer gets the gas blend right
Witt Gas Techniques makes the BM-2M portable gas mixer that can, from two cylinders of single gases, adjust the mixture of argon/CO2 or argon/helium and other gas mixtures for on the spot welding.
Witt Gas Techniques makes the BM-2M portable gas mixer that can, from two cylinders of single gases, adjust the mixture of argon/CO2 or argon/helium as well as other gas mixtures to suit requirements for on the spot welding The use of pre-mixed gas cylinders can be expensive and, depending on welding requirements, there may be a need for various gas mixtures
This article was originally published on Engineeringtalk on 27 Feb 2004 at 8.00am (UK)
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This mixer lets operators mix their own gases with a mixing accuracy of better than +/-1% absolute.
The gas inlet pressures range from 4.5 to 230bar and the gas outlet pressure is 3bar maximum.
The mixer is fitted between two gas cylinders, either CO2 and Argon or other gases.
It is installed using standard cylinder connections for the inlets and G1/4 Din 8542 for the outlet.
No special hoses are required.
Once fitted, the operator sets the required mixture of argon and CO2 in proportions of 0 to 25% CO2 and the balance of argon.
When the gas cylinder valves are opened, the mixer operates automatically, no additional pressure regulators are required as it is fitted with an integrated pressure control mechanism and safety valves.
Flow of the required gas mixture is controlled by a metering valve.
The mixer is operated using two knobs, one adjusts the percentage of CO2 in argon and the other is used to adjust the gas mixture flow between 8 and 25litre/min.
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