Why Regular Inspection of Underground Composite Piping Matters Underground composite piping systems at fuel stations operate under constant stress—soil pressure, fuel chemical exposure, temperature fluctuations, and ground movement. For operators using Ai Yuan HDPE + EVOH composite pipes from Luoyang WoHong Petrochemical, a structured inspection and maintenance schedule is essential to prevent leaks, avoid costly […]

Electrofusion Fitting Installation Guide for Ai Yuan HDPE Composite Underground Piping Systems Proper installation of electrofusion fittings is one of the most critical factors in ensuring leak-free, long-lasting underground composite piping systems at fuel stations. Ai Yuan HDPE composite pipes rely on high-quality electrofusion fittings made from imported PE raw materials, and the jointing process

Why Pipe Integrity Matters in Stage III Vapor Recovery Systems Stage III vapor recovery systems are now standard at modern fueling stations across many regions. These systems capture fuel vapors displaced during vehicle refueling and return them to the underground storage tank, preventing volatile organic compounds from escaping into the atmosphere. While much attention goes