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October 19th, 2014

It was never determined exactly how acid got into the HVAC piping at a Tennessee middle school, but the school had been battling the corrosive effects almost since it opened in the early 2000s. The problems were severe. Steel pipes literally were disintegrating from the inside out, and the decomposed pipe matter was clogging up Read More

August 28th, 2014

The actual code requirements may vary somewhat with jurisdiction, but most codes refer to NFPA 13 – Installation of Fire Sprinkler Systems for requirements on the use of plastic fire sprinkler piping. Within NFPA 13, Table 6.3.1.1 provides a list of materials and standards for steel and copper pipe to be used in aboveground installations. Read More

August 7th, 2014

Static electricity is caused by the contact and separation of two materials, one of which has a high electrical resistance. The difference in resistance causes an imbalance of electrons with one of the materials having a positive charge and the other material having a negative charge. When the two materials come into close proximity you Read More

August 7th, 2014

201408D – AQTTB Date Issued: 7 August 2014 Aquatherm pipe is an excellent option for underground, direct-bury installations. The following are recommendations when using Aquatherm pipe in a direct-bury application. Trenching During trenching excavation ensure that the trench walls are stable under all working conditions. Provide sloped walls where appropriate and trench wall supports whenever Read More

July 19th, 2014

Hotel uses PP-R pipe on separate projects covering six years A large hotel replaces a lot of costly mechanical equipment over the course of its lifetime.  In the last decade alone the Embassy Suites Hotel in Nashville has replaced an aging chiller, five boilers, and a great deal of leaking pipe. Regional Chief Engineer for Read More

July 14th, 2014

Buried piping systems experience static-loading due to the embedment material above them as well as live-loading due to moving or temporary objects, such as semi-trucks and trains, passing above them. For systems buried less than 50 ft underground a conservative method of calculating the static load acting on the system is to multiply the density Read More

July 9th, 2014

201406D – AQTTB Date Issued: 9 July 2014  It has come to our attention that there is an error in the catalog on the bolt sizing for the large diameter Aquatherm ball valves.3  The catalog bolt sizing should read as follows: Part No. Dimension Bolt Sizes 0041602 3” – 90 mm M16 x 2.0 x Read More

June 19th, 2014

Polypropylene-random piping system featured in Phase I of $24 million renovation Damage and destruction, search and rescue, catastrophic disaster: These chilling phrases became integral to the American lexicon following the aftermath of Hurricane Katrina, which devastated the Gulf Coast in August 2005. Labeled the costliest U.S. natural disaster, the deadly storm caused an estimated $81 Read More

June 9th, 2014

In general Aquatherm does not recommend bending Aquatherm pipe as a means of making a change in direction or going around obstacles. However there are instances when the pipe is required to bend. When installing Aquatherm in a directional boring application or when encountering unexpected permanent obstacles in open trench applications, the pipe may need Read More

June 9th, 2014

The brass-bodied valves offered in the Aquatherm 2014 catalog are not intended for use in potable water systems as they do not meet the new zero-lead requirements which went into effect January 1, 2014. These valves include the brass/PP-R ball valve, the screw–down stop globe valves, the draining branch valve, the chrome plated concealed valves, Read More