Water pipe purchase Ball Valve ,Steel Ball Valve,Stainless Steel Ball Valve,1 Inch Ball Valve Zhejiang Chenxiang import and export trade Co., Ltd , https://www.chenxiang-valve.com
Look at the appearance 
When buying plastic water pipes, first look at whether the color and gloss are even, and whether the outer wall of the pipe is marked with trademarks, specifications, temperature, pressure, production batch number, date of production, and actual origin; second, see if there is a health permit. Water pipes without a hygiene permit cannot be used for drinking water pipes. 
Smell Plastic water pipes are extruded from plastic raw materials through an extruder, and most plastic materials are non-toxic and tasteless. Unscrupulous traders will add regenerative toxic plastics to pipes in order to save costs or if their own technology is not up to standard. When consumers purchase, they can smell their water pipes with irritating odors. The plastic pipes with good quality should be free from any odors. 
Test performance A good quality plastic tube can be easily bent without breaking, PPR tube can even be bent into a circle, and poor quality plastic tube is more brittle and one bend is broken. Consumers can also take a small part of the plastic water pipe and put it in high temperature hot water. The plastic pipe with good quality will still maintain its original hardness, while the inferior water pipe will soften at around 60 degrees. 
Keep an eye out At the time of purchase, it is necessary to take note of the purchase of a regular agent authorized distributor of tube products in order to enjoy better installation services. Secondly, it is necessary to pay attention to whether the pipes and fittings purchased are produced by the same manufacturer. Different products have different expansion coefficients. Long-term use of increased risk of leaking; Third, pay attention to request product service cards, most water pipe manufacturers will have 50 years of warranty time.
Edit Comment: Obviously it is a new building, but the sewer is always blocked; it was obviously renovated, but the ceiling was drenched and moldy; it was possible that your water pipe concealment project was not done! But wherever you can see, you have to take care. Household water pipe concealment projects need to do more.
Rejecting water leakage, choosing water pipes is the key
In the decoration, the purchase of water pipes is very crucial. As the primary material of the hidden works, do you know what to look for when purchasing it? Lets come look.