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Industrial and commercial scenarios often face three major challenges: continuous operation, complex media and pressure fluctuations. Factory water supply and drainage require fittings with stable pre...
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Our ASTM Standard UPVC Coupling is an essential pipeline connector designed for joining two straight sections of UPVC pipes with maximum joint integrity. Engineered specifically for high-pressure fluid conveyance systems, this coupling creates a permanent, leak-proof bridge using standard solvent welding techniques. It is an indispensable fitting for both civil cold-water supply networks and demanding industrial piping installations.
Technical & Design Advantages:
Precision Interference Fit: Manufactured with strict socket tolerance control, ensuring optimal surface contact area for solvent cement fusion and zero risk of joint slippage.
Hydraulically Smooth Interior: Features a mirror-finished inner wall that significantly reduces fluid friction loss, prevents mineral scaling, and guarantees consistent flow capacity over decades of use.
Superior Corrosion Resistance: Highly inert compound structure that completely resists acid, alkali, salt solutions, and soil chemical corrosion, eliminating the need for cathodic protection or external coatings.
Applications:
Municipal potable water supply and distribution networks.
Residential, commercial, and high-rise plumbing systems.
Agricultural drip and sprinkler irrigation mainlines.
Industrial wastewater and chemical transfer pipelines.
Zhejiang Feiya Plastic Co., Ltd. is located in Zhejiang Province, adjacent to Yiwu — the world‑renowned capital of small commodities. It enjoys convenient transport links to coastal cities including Shanghai, Hangzhou, Ningbo and Taizhou, backed by well‑developed logistics networks.
Our journey started in 1992 as Jiangshan Sanjin Machinery & Hardware Factory. We strategically turned to PVC piping production in 2001 and registered our proprietary FEIYA brand in 2002. With over 30 years of industrial expertise, our 40‑acre factory boasts a building area of 50,000 m². As an original manufacturer for plastic pipes, fittings and valves, we serve domestic markets and export our products to more than 100 countries around the globe.
Industrial and commercial scenarios often face three major challenges: continuous operation, complex media and pressure fluctuations. Factory water supply and drainage require fittings with stable pre...
READ MOREMunicipal projects feature large volumes, deep burial and long service life, demanding fittings with high strength, long durability and settlement resistance. Urban water-supply networks must withstan...
READ MORECivil building piping values hygiene safety and installation convenience above all. Drinking water supply requires PVC fittings that comply with potable water hygiene standards — non-toxic materials w...
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