Product Overview QPKY high-speed door hydraulic cylinders are custom engineered for frequent opening and closing cycles of rapid doors and equipped with ceramic piston rods. They stand out with fast response, excellent wear resistance and corrosion resistance. Featuring high surface hardness, the ceramic piston rods resist abrasion and corrosion effectively. They handle repeated friction between rods and seals under continuous high-frequency operation, avoiding scratches and wear over long service time and extending seal life. Combined with optimized oil circuit and sealing design, the cylinders deliver fast and stable movement for smooth door operation. They are core actuators for high-cycle equipment such as industrial rapid doors and lifting doors. We also supply supporting Hydraulic Cylinder Tube, Construction Machinery Cylinders and Custom Hydraulic Cylinders for your various hydraulic sourcing needs. Application Scenarios Built for continuous high-frequency opening and closing t…

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Jiangsu YingNaiSi Machinery Manufacturing Co., Ltd.

Jiangsu YingNaiSi Machinery Manufacturing Co., Ltd. is located in Wujin District, Changzhou City, Ji…

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