PVC (Polyvinyl Chloride) pipes are among the most widely used products in Iran’s water supply, sewage, agriculture, and construction sectors due to their light weight, high chemical resistance, long service life, and cost-effectiveness. However, the quality and safety of PVC pipes strongly depend on compliance with recognized production standards. In this article, we examine the common standard for PVC pipe production in Iran and the role of reputable manufacturers in meeting these requirements.