WoHong Petrochemical International Department

Electrofusion and Bedding Practices for Underground Composite Fuel Pipe Installation

Underground composite fuel pipe installation demands precise fusion control, correct bedding, and careful trench preparation. This guide covers the practical, field-level workflow for laying Ai Yuan dual-layer and single-layer HDPE/EVOH composite pipes at service stations. Understanding the Ai Yuan Composite Pipe Construction The Ai Yuan fuel pipe from Luoyang Wohong Petrochemical is not a single-material […]

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How to Specify Underground Fuel Dispensing Pipes for a Service Station Retrofit

How to Specify Underground Fuel Dispensing Pipes for a Service Station Retrofit Choosing the right underground fuel piping for a service station is a decision that stays buried for decades. A bad choice means excavation, downtime, and cost overruns down the road. This article walks through the practical engineering aspects of selecting, installing, and maintaining

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Underground Composite Vapor Return Line: Design, Jointing and Installation for Stage III Vapor Recovery

Introduction to Stage III Vapor Recovery Underground Piping Stage III vapor recovery systems require a vapor-tight underground piping network between the dispenser and the storage tank that can hold up under continuous sub-atmospheric suction, gasoline permeation, and ground movement. For a gas station operator or contractor, the pipe material and jointing method you choose determines

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Underground Composite Fuel Pipe Selection: Material, Installation, and Maintenance Guide

Why Material Selection Still Drives Every Underground Fuel Pipe Project Every underground fuel-piping project eventually comes down to one decision that affects safety, service life, and long-term cost: the pipe material. After years of field experience with HDPE-EVOH composite double-wall systems and single-wall alternatives, buyers, engineers, and contractors have learned that the spec sheet is

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Coil vs Straight Pipe: How to Choose Underground Composite Fuel Piping for Gas Stations

Choosing between coil (盘管) and straight pipe (直管) for gas station underground composite fuel lines affects joints, layout, excavation, and long-term reliability. Here is a practical engineering guide to deciding which form fits your site. 1. Why Pipe Form Factor Matters in Underground Fuel Systems The choice between coil and straight pipe is not cosmetic.

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