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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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The UPVC Handle Type Butterfly Valve is a lightweight, high-capacity flow control valve engineered for efficient isolation and throttling in large-diameter piping loops. Built around a streamlined aerodynamic disc and an interchangeable elastomeric body liner, this valve provides low pressure drop and full-port flow capacity when fully open. The manual lever-handle mechanism features a multi-position notched locking plate, allowing operators to lock the valve disc at precise partial-open angles for accurate flow regulation. Its non-metallic UPVC body and disc offer complete resistance to aggressive acids, alkalis, and corrosive chemicals, presenting a cost-effective, corrosion-proof alternative to heavy, lined-metal butterfly valves.
Technical & Design Advantages:
Multi-Position Lever Handle: Heavy-duty lever handle with integrated position notch plate enables precise flow throttling and secure disc locking.
Full-Face Elastomeric Body Liner: Resilient rubber liner acts as both the internal disc seat and outer flange gasket, eliminating the need for extra flange gaskets.
Aerodynamic Low-Resistance Disc: Contoured disc profile reduces internal fluid resistance, turbulence, and pumping head loss across high-volume pipelines.
Wafer Body Alignment Holes: Precision bolt holes allow fast centering and mounting between ANSI or DIN standard companion flanges.
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.
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