ERA NSF SCH40 PVC Fittings Female Elbow for Water Supplyn(1) High pressure resistance and corrosion resistance. Due to its material characteristics, PVC pipes have strong pressure resistance, can prevent corrosion by acidic and alkaline substances, and have good waterproof properties.n(2) Excellent physical properties. PVC pipes use high-quality PVC modified materials, which have important physical properties such as good flexibility, good flame retardant properties, good insulation properties, smooth inner walls, and low friction coefficients. Not only that, the service life of PVC pipes can reach 50 years. Years or more, long service life, economical and durable.n(3) Complete specifications for easy engineering operation. PVC pipe products have various combinations, beautiful appearance, and complete specifications. They can be matched with optical cables or cables of different diameters, can be freely connected and combined with pipes of different materials, and can be combined with corresponding interfaces, special glue, etc. The accessories are matched to facilitate the construction operations of the project.n(4) Save laying costs. PVC pipes can save laying costs, and because they are not easily lost during transportation and installation, there is no need to use special curing auxiliary materials. The laying costs are low and the economy is high.