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Welcome to Special Valve Group! As a leading manufacturer of high-performance valves, we specialize in custom solutions for industrial, oil & gas, and petrochemical applications. Whether you need technical consultation, product quotes, or after-sales support, our team is ready to assist. Feel free to email us at teji@teji-valve.com or fill out the form below. We’ll respond to your inquiry within 24 hours.

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December 23, 2025

What should I do if my resilient sealing concentric butterfly valve stops working?

The resilient-seal concentric butterfly valve is a common type of valve where the valve stem axis, the center of the butterfly plate, and the center of the valve body are located on the same axis. It uses elastic materials such as rubber for sealing, and the sealing pressure is generated by the elastic force formed by […]

December 18, 2025

Introduction to Cryogenic Side Entry Triple Offset Butterfly Valve

Cryogenic Side Entry Triple Offset Butterfly Valve are high-performance valves adapted to low-temperature environments. Their core design utilizes a triple offset structure: the valve stem axis is offset from both the valve body centerline and the butterfly plate center, and the valve seat sealing surface is inclined to the valve body channel axis, achieving torque sealing. […]

December 13, 2025

Metal-Seated Triple Offset Butterfly Valve Installation Tutorial

Metal-seated triple offset butterfly valves are valve components used for on/off control and flow control in pipeline systems. They are mainly used in petroleum, chemical, metallurgical, hydropower, and urban heating industries. They can be used in industrial pipelines with a medium temperature ≤425℃ for regulating flow and cutting off fluid. Structural Features The metal-sealed triple-eccentric butterfly […]

December 8, 2025

What are the types of fully welded ball valves from TEJI?

Fully welded ball valves are high-performance valves where all components are welded together, eliminating threaded or flanged connections. This results in a robust valve body, reliable sealing, and effective prevention of media leakage, making them particularly suitable for high-temperature, high-pressure, highly corrosive, and highly abrasive applications. The ball and seat utilize precision machining and a metal […]

December 3, 2025

Comprehensive Explanation of the Valve Manufacturing Process

Valve manufacturing is a complex process involving multiple stages and technologies, requiring strict adherence to design specifications and quality standards to ensure reliable, safe, and durable products. Valve manufacturing typically comprises six major stages: design and development, material preparation, processing and manufacturing, assembly and commissioning, inspection and testing, and packaging and transportation. These stages are […]

November 29, 2025

How to Calculate Valve Production Costs?

As valve consumers, our primary concern is how to buy the highest quality products at the lowest price. Faced with countless valve products, good quality at a low price is every consumer’s wish. Of course, we cannot blindly pursue low prices, as this will compromise quality. How do we balance price and quality to find […]

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