Media Hub

This article provides a systematic overview of top entry ball valves, focusing on their design principles, structural features, working mechanism, and sealing technologies. It explains the advantages of the double-inclined sealing structure, spring preload compensation, and different sealing material...

This article provides a comprehensive overview of DBB and DIB ball valves, two critical isolation technologies widely used in pipeline safety systems. It explains their structural design, sealing mechanisms, pressure management methods, and key differences in operational performance. Standards from...

Low-temperature valve installation requires strict control of structure selection, material matching, orientation, support design, drying treatment, and commissioning procedures. Due to extreme temperature differences in cryogenic systems such as LNG and liquid gas transportation, improper installation...

Back pressure is a key operating parameter in steam trap systems, directly influencing discharge capacity, valve performance, and service life. This article explains the sources of steam trap back pressure, its effects on system operation, allowable back pressure ranges for different trap types, and...

Globe valves and ball valves are two widely used industrial flow control devices, each offering distinct advantages in operation, structure and performance. Globe valves are designed primarily for precise flow regulation through linear motion of the disc, making them suitable for throttling and process...

Metal seated ball valves are essential for reliable operation under severe industrial conditions involving high temperature, corrosion, and particle-laden media. This guide explains key selection principles, including hard alloy coating choices, temperature-based internal component configuration, actuator...

The inverted pressure-balanced lubricated plug valve is a high-performance industrial valve designed for high-pressure and high-temperature service conditions. Featuring a unique inverted structural configuration, pressure-balancing mechanism, and efficient lubrication system, it significantly reduces...

Double eccentric and triple eccentric butterfly valves are widely used in industrial fluid control systems, offering different performance advantages for various operating conditions. This article introduces their structural principles, sealing mechanisms, material selection, and operational characteristics...

This article provides a systematic comparison of SBB and DBB ball valves, focusing on their structural principles, sealing performance, safety levels, and maintenance characteristics. By analyzing isolation capability, operational requirements, and typical industrial applications, it explains how SBB...

This article provides a comprehensive analysis of butterfly valve installation direction, focusing on the correct methods for vertical and horizontal mounting. It explains the core considerations of stem orientation and medium flow direction, outlines pre-installation preparation requirements, and details...

This guide provides a comprehensive overview of common faults in pneumatic control valves and their corresponding troubleshooting methods. It explains how to systematically diagnose issues such as valve inaction, unstable operation, oscillation, sluggish response, and abnormal process parameters by...

This article provides a comprehensive overview of ball valve leakage, examining its primary causes across internal components, valve bodies, packing, sealing surfaces, and seal ring connections. It outlines practical prevention strategies spanning design, procurement, installation, operation, and maintenance,...