Propylene Glycol Hydro TestingPosted by novamen on October 4th, 2017 Hydro testing is conducted to determine the integrity of pipelines, gas cylinders, plumbing, fuel tanks, boilers, and other pressure vessels, to discover leaks and verify the strength. It is required before a new installation is put into service and after repairs and shutdowns are completed, to make sure the equipment can operate properly and safely according to the required specifications before they are returned to service. Propylene glycol is used in hydro testing where environmental sensitivity is required or where ethylene glycol may not be recommended. Adding propylene glycol is essential when testing during winter, as water will freeze and pipes and equipment may burst during freezing temperatures without it. Here are some test procedures for propylene glycol hydro testing:
In some cases, the vessel may not return to its original size, resulting in a phenomenon known as ‘permanent expansion’. A vessel may be decommissioned when its percentage of expansion is too high.
Renting hydro testing fluid, rather than purchasing, is a common practice. It eliminates the need to buy, store and dispose of propylene glycol after use. Reputable providers carry different volumes for short, long-term, and medium-term rentals, and the service covers transportation to and from your test site. Tank rentals can be included upon request, and several kinds of hydro testing fluids, including propylene glycol, are available. About the Author: Novamen Inc. is a privately held company and was started in 2010. With over 30 years of combined knowledge and experience in these markets, the founders are building the company with the intention of offering products and services to industrial clients that go beyond those of traditional chemical companies. Operating in Alberta, Novamen’s focus is primarily to the industrial, oil, natural gas and mining industries throughout Canada. Visit Novamen Inc. to learn more about the chemical solutions you need that are more accessible, efficient, and cost effective than ever. Like it? Share it!More by this author |