Quality inspection standards for grooved pipe fittings

Grooved pipe fittings are now widely used, and judging from the current project progress in 2017, the property market in various regions has begun to speed up construction, which will undoubtedly increase the market entry rate of inferior products. So what should we do to prevent and prohibit inferior grooved pipe fittings from entering the project?

Clamp fittings are one of the most commonly used grooved pipe fittings. The material acceptance when entering the site is sloppy, resulting in mixed use of low-quality products. Preventive measures: The quality of the clamp fittings directly affects the construction quality of the groove connection.

If the grooved connection is used for fire-fighting piping system, the test pressure P of the system. ≥1. 4MPa, which requires that the grooved pipe clamp itself should have a higher compressive strength. At present, there is no national standard for the production of clamps, and the quality of clamp products in the market varies, so we should first choose those famous and high-quality products with outstanding performance and good feedback from customers.

At the same time, we should strictly control the material acceptance. For the finished products on site, not only should the manufacturers of grooved pipe fittings be required to provide the test report and product qualification certificate before leaving the factory, but also they should go to the construction site to check the appearance and check their geometric dimensions. More importantly, Sampling inspection should also be carried out on the finished products on site, and samples should be sent for strength and chemical analysis tests, and can only be used after all the sampling tests meet the requirements.