Building air ducting system operating method uses air feed measuring devices each provided by fixed part of air ducting system leading to flow quantity regulator
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Flow rate regulator
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Flow rate regulator
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Connection of a connecting piece for a pipe with an air duct
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Closure plate for air pipeline e.g. in chemical or pharmaceutical plant, has rubber disc sandwiched between 2 sheet metal discs bonded together via adhesive plugs
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Flange connection of pipes, in particular air line pipes
EP0723120A1
Lamellar shutter
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Spigot and socket connector for pipes
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METHOD AND DEVICE FOR THE CUTTING OF FLAT WORKPIECES, EXAMPLE: SHEETS
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Method and apparatus for fixing to one another pipe pieces having pipe walls at an angle to one another
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Apparatus for extending a corrugated tube compressed for storage and transport
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Device for altering the control parameter of a flow system controller of an air-conditioning
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Device for regulating the flow rate in an air line
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DEVICE FOR CONTROLLING THE CONTROL SIZE OF A FLOW CONTROLLER IN AN AIR CONDITIONING
CA1146097A
Flexible corrugated tube
CA1130773A
Arrangement for regulating the flow of a gaseous medium in a conduit
GB2060865A
Shutter for a ventilation system
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Corrugated ventilation ducting pipe - has smooth internal lining of sheet material glued to prevent axial movement
