TPi November 2015

products & developments Installing chilled water systems with mineral fibre pipe insulation

flanges, couplings, tees and valves; and on 45° and 90° elbows.

The North American Insulation Manufacturers Association (NAIMA) has issued a new publication entitled Guide to Insulating Chilled Water Piping Systems With Mineral Fiber Pipe Insulation . Developed for professional insulation contractors, the 36-page guide recommends methods for insulating chilled water piping systems using a vapour sealed mineral fibre pipe insulation. “Insulation systems are critical to limiting heat losses and preventing condensation on pipe surfaces operating from 0.5°C to 15.6°C (33°F to 60°F) within conditioned spaces in commercial and institutional buildings,” explained Charles Cottrell, vice president technical services for NAIMA. “When poorly applied, however, an insulation system can compromise insulation effectiveness. NAIMA developed this step-by-step guide for applying vapour sealed mineral An independent testing and certification body recently confirmed that the RFID pressure transmitters of the PT-RF series from Stauff comply with protection rating IP69 in line with EN 60529 (VDE 0470). The classification confirms that the pressure transmitters are dust-proof (index number 6) and that no water can enter into the housing (index number 9). Testing equipment, particularly in mobile hydraulics, is regularly subjected to high pressure and steam jet cleaning. The IP69 properties allow the transmitters to resist these processes without negative effects on the function or even damage. Pressure transmitters from the PT-RF series were developed to be integrated into fluid technology plants and systems permanently or temporarily using the appropriate process connection adapters. When a pressure

Also included are details on vapour dams, pipe supports and field-applied jackets. Accompanying each application description is a full-colour illustration demonstrating the installation method discussed. Other sections in the guide include performance criteria, a guide specification, installation checklist and an extensive appendix outlining a wide range of information resources and references. NAIMA’s role is to promote energy efficiency and environmental preservation through the use of fibre glass, rock wool and slagwool insulation, and to encourage the safe production and use of these materials. A free copy of the guide can be downloaded from the NAIMA website.

The guide includes illustrations and tips for straight sections, valves and more

fibre pipe insulation which, when installed according to the guide’s recommendations, can effectively control condensation, help extend the life of the insulation system, and save energy.” The guide addresses the installation of standard ASJ jacketed pipe insulation used in the field, and presents recommendations based on reliable engineering principles and research, as well as consultation with manufacturers, contractors and industry experts. It details insulation application on straight pipe; on pipe system fittings including

NAIMA – USA www.naima.org

Dust- and water-tight RFID pressure transmitters for fluid engineering

transmitter is activated by pressing a button on the associated reading and display device, the energy required for the measurement is transferred via contactless RFID technology. This means the actual pressure transmitter requires no internal or external power supply or complicated wiring, and it is completely maintenance-free. A current measured value is determined within only 0.5 seconds and immediately transmitted back to the reading device together with other relevant information, and then output on the backlit display and stored. This facilitates and speeds up the process of determining pressure values, without risk of introducing contamination into the hydraulic system. Walter Stauffenberg GmbH & Co KG – Germany www.stauff.com

Pressure transmitter with protection rating IP69 Photo credit: Walter Stauffenberg GmbH & Co KG

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Tube Products International November 2015

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