TPi November 2013

products & developments Pipe installation from house service connection to point of use

PPSU, the high-performance plastic used in space applications and medical technology, gives excellent results in terms of its tensile strength, elongation, rigidity, notched bar impact strength and heat deformation resistance. It can be used long-term in applications involving hot water, and it exhibits excellent chemical resistance in heating installations where inhibitors and anti- freeze are found, and when used with chlorinated drinking water. The Roth plastic fitting is hygienically safe and corrosion- and incrustation- free, since no mineral deposits from water impurities can form on the smooth surface of the PPSU. It has a high level of pressure and temperature resistance, and ensures a lasting tight seal with the Roth Alu-Laserplus system pipes. The Roth range includes metal fittings for use at threaded connection and junction points. They comply with stringent international standards and are suited to meeting specific application requirements for drinking water and radiator systems.

and makes installation easier, especially in tight spaces and when pipes are installed at an angle. The familiar press pattern on Roth fittings can easily be seen and felt, giving the installer the opportunity to perform a quick visual and tactile check of the press fitting with Roth PressCheck. In compliance with DVGW Worksheet W534, the fittings with Roth PressCheck are designed to leak if they have not been pressed on: water will escape from an unpressed connection at a defined place during testing, so an unpressed fitting in the complete system can be detected immediately. The laser-welded aluminium pipe jacket of the five-layer Roth Alu-Laserplus multi-layer composite pipe is made up of an alloy with significantly increased strength, which offers added safety and increased ease of installation. It forms a homogeneous aluminium layer. A thick- walled polyethylene core pipe lies at the heart of the Alu-Laserplus system pipe, which increases the stability of the overall pipe construction. The two adhesive polymer layers ensure a secure bond between the thick-walled core pipe, the homogeneous aluminium layer and the outside polyethylene protective layer.

RothWerkeGmbHoffers pipe installation systems for radiator connection and drinking water installation, with system solutions of up to 63mm. The delivery programme includes Alu-Laserplus multi-layer composite pipe, and plastic fittings made of high-performance PPSU (polyphenylsulphone), supplemented by metal fittings. All fittings have the integral Roth PressCheck for secure installation. The Roth drinking water installation system can be used for all grades of drinking water. Everything needed for installation projects is available, starting from the house service connection and continuing to the ascending pipes to the point of use. The fittings are attached to the pipe using Roth radial press fitting technology. The matched components can be combined quickly in a variety of ways to create connections above the floor, out of the wall or out of the skirting boards using one- or two-pipe systems. Roth offers a wide range of fitting variants. T-connectors in various graded sizes are available for fast installation without having to resort to additional reducing elements. The slimline, compact design of the fittings gives them maximum mechanical stability

Roth Werke GmbH – Germany service@roth-werke.de www.roth-werke.de

Seamless steel tubes Jiangsu Huacheng Industry Group specialises in manufacturing industrial cold drawn and cold rolled seamless steel tubes. The company is a source for a wide variety of tubular products used in many applications, serving industries such as hydraulic cylinders, agriculture, heavy trucking and equipment, automotive, appliance, recreational vehicles, mining, nuclear, marine, petrochemical, pumps/ valves, sporting goods and aerospace. Seamless tube products include cold drawn (honed tube available); tubes for heat exchangers and boilers; and tubes for bearing applications (SAE52100, SUJ2, SKF and GCr15).

welded, 30,000 tonnes of cold drawn welded (DOM), and 30,000 tonnes of cold drawn special shape/large diameter.

The first phase (10,000 tonnes) of a 30,000-tonne high alloy project has already been completed.

Huacheng owns five subsidiaries: Zhangjiagang Salem Fine Tubing Co, Ltd; Zhangjiagang Huacheng Special Shape Tube Co, Ltd; Zhangjiagang Huacheng Suns Speciality Pipe- Making Co, Ltd; Zhangjiagang Huacheng Import & Export Co, Ltd; and Yangzhong Haina Tube-Making Co, Ltd.

Jiangsu Huacheng Industry Group – China hcpipe@hc-pipe.com www.hc-pipe.com

Huacheng has a total capacity of 60,000 tonnes of cold drawn/rolled seamless, 50,000 tonnes of electrical resistance

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Tube Products International November 2013

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