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Pipe Fittings are fundamental connectors that construct the physical pathway of a piping system. They directly handle changes in flow direction (e.g., elbows), pipe diameter adjustments (e.g., reducers), flow splitting/merging (e.g., tees), or flow termination (e.g., caps). Their core role is to define and connect the routing and structure of the pipeline network. Pipe Accessories are components that extend functionality, enable control, and provide protection for the system. They regulate flow (valves), bear weight (supports/hangers), ensure sealing (flanges), purify fluids (strainers), monitor parameters (instruments), etc., with the core purpose of enhancing the system's safety, controllability, and operational efficiency.

The core function of a control valve is to precisely regulate process parameters such as fluid flow rate, pressure, level, or temperature within a pipeline. It achieves this by altering the size of the internal flow passage cross-sectional area. Imagine a water faucet on a pipe: opening it wider increases the water flow, while closing it reduces the flow. A control valve operates similarly, but its control is far more precise and is typically operated remotely by an automated system.

​Every time you turn on the faucet, have you ever wondered how the tap water travels through the entire city to your home? This is inseparable from a key material - ductile iron pipe. This pipe, which is widely used in municipal engineering, protects the "lifeline" of urban water supply with its excellent performance.

When considering durable piping solutions for residential, commercial, and industrial projects, UPVC (Unplasticized Polyvinyl Chloride) pipes and HDPE (High-Density Polyethylene) pipes have become the preferred choices worldwide.

In an era where municipalities and engineering firms face immense pressure to balance cost, durability, and environmental impact, the selection of piping material is a critical long-term decision. For decades, one material has consistently demonstrated unparalleled performance in demanding applications: Ductile Iron Pipe (DIP).