Tech Bulletins Library

Found 76 Tech Bulletins

FREEZE PROTECTION OF AQUATHERM PIPING

June 23rd, 2016

TECHNICAL BULLETIN: 201606B – AQTTB Date issued: 23 June 2016 Aquatherm piping is considered to be freeze‐tolerant, meaning that it should not rupture if accidentally allowed to freeze. The pipe will rupture and break if exposed to repeated freeze/thaw cycles. However, it is also not intended that Aquatherm pipes will be installed in a location Read More

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LARGE BALL VALVES WITH BOLT KITS

June 14th, 2016

Date Issued: 13 June 2016: Aquatherm NA previously introduced bolt/gasket kits for the large ball valves (3”, 4”, and 6”) in an announcement issued on 14 May 2015. As noted in the announcement, the gaskets are EPDM, full-faced gasket to fit the valve as required. The bolts are zinc-plated steel with washers to fit each Read More

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AQUATHERM RED PIPE AND NFPA 24-2013

June 13th, 2016

TECHNICAL BULLETIN: 201606A-AQTTB Date issued: 9 June 2016 With regard to the use of Aquatherm red pipe at a location within the scope of NFPA 24, “Installation of Private Fire Service Mains and Their Appurtenances”, the standard allows for equivalency when a product is not explicitly noted in the table of piping materials (Sec. 1.4). Read More

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ELECTROFUSION COUPLINGS

March 30th, 2016

TECHNICAL BULLETIN: 201603A-AQTTB Date Issued: 29 March 2016 Electrofusion is another technique for joining Aquatherm pipe. It entails using a coupling that is wound with heating element wires embedded in PP-R, which can be slipped over two ends of pipes to be joined. An electrical current is applied to the coupling causing heat to be Read More

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COLD RING SOCKET FUSION

March 30th, 2016

TECHNICAL BULLETIN: 201603B-AQTTB Date Issued: 29 March 2016 Aquatherm does not endorse the use of the cold ring and chamfer tools, but if their use is desired, Aquatherm does not object. The following are proper procedures for using the chamfer and cold ring tools for socket fusion. The chamfer tool is put on the end Read More

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FUSING AQUATHERM UV PIPING

March 30th, 2016

TECHNICAL BULLETIN: 201603C-AQTTB Date Issued: 29 March 2016 Aquatherm offers Ultraviolate (UV) resistant piping in SDR 7.4 MF Faser Green Pipe, SDR 7.4/SDR 11 MF Faser Blue Pipe, and SDR 17.6 MF Faser Blue Pipe. Each of these pipes have a black HDPE outer layer (approximately 1 mm thick) that covers the pipe offering protection Read More

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COMPARING AQUATHERM PIPING WEIGHT TO METAL PIPING

November 13th, 2015

Green Pipe SDR 7.4/11 S Pipe Size Weight per lin. Ft. Aquatherm Weight per lin. Ft. Sch 40 Steel Weight per lin. Ft. Copper 1/2″ 0.1 0.85 0.204 3/4″ 0.16 1.13 0.328 1″ 0.18 1.68 0.465 1 1/4″ 0.28 2.27 0.682 1 1/2″ 0.43 2.72 0.94 2″ 0.68 3.66 1.46 2 1/2″ 0.95 5.8 2.03 Read More

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AQUATHERM TECHINCAL BULLETIN: CLEANING AND FLUSHING OF COMPRESSED AIR LINES

September 2nd, 2015

After the compressed air system is completely installed and has successfully completed the Aquatherm pressure testing requirements, and before it is put into service, the piping system must be flushed to remove all loose debris, dirt, moisture and oil that may have accumulated during the installation process. The following are suggested step to take to Read More

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AQUATHERM TECHINCAL ANNOUNCEMENT: RED-WHITE VALVES AND AQUATHERM

June 18th, 2015

Polypropylene ball valve with brass internal components, PP body and sockets Model 500AB, ½-2 inch This valve line has been introduced in North America recently, raising numerous questions regarding the use of these valves with Aquatherm piping. The following should be considered when discussing these valves: According to the manufacturer’s website, the valves are listed Read More

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ALLOWABLE GAP IN SOCKET FUSION

April 15th, 2015

In some cases a small gap may occur between the end of the pipe and the vertical pipe stop at the bottom of the socket when socket fusing Aquatherm pipe. This gap will not normally be present if the Aquatherm fusion procedures are followed.  However, there may be times when the pipe is not be Read More

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