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Installation instructions of double eccentric butterfly valve

Installation instructions of double eccentric butterfly valve: 1. Before installation, you must carefully check whether the valve’s mark and certificate of conformity meet the requirements for use, and clean it after verification. Uninstalled valves should be stored in a dry room. Valves stored for a long time should be cleaned regularly, dried and coated with […]

Classification and features of Eccentric butterfly valves

Eccentric butterfly valves are divided into single eccentric butterfly valves, double eccentric butterfly valves, triple eccentric butterfly valves, and variable eccentric butterfly valves. Contrast with concentric butterfly valve. A butterfly valve whose stem axis deviates from the center of the disc and the center of the body at the same time, and the sealing pair […]

Features and application area of double eccentric butterfly valve

Double eccentric butterfly valve is also called high-performance butterfly valve. It is mainly used for drainage of water plants, power plants, steel smelting, chemical industry, water source engineering, environmental facility construction, etc. It is especially suitable for water pipelines and used as regulation and interception equipment. Compared with the centerline butterfly valve, the double eccentric […]

Centerline flange butterfly valve

The centerline flange butterfly valve is a high-quality soft-sealed valve. Mainly by the fully lined rubber valve body. The disc plate, valve stem, operating mechanism and other parts have the characteristics of simple structure, good corrosion resistance, light operating torque and high reliability. Overview of Centerline flange butterfly valve: The centerline flange butterfly valve is […]

Related Information of flange butterfly valve

Valves with metal seals generally have a longer life than valves with elastic seals, but it is difficult to achieve a complete seal. Metal seals can adapt to higher operating temperatures, while elastic seals have the defect of being limited by temperature. If the butterfly valve is required to be used as a flow control, […]

Features and structure drawings of flange butterfly valve

The main features of  flange butterfly valve are: Small and light, easy to disassemble and repair, and can be installed in any position. The structure is simple and compact, the operating torque is small, and the 90° turn to open quickly. The flow characteristics tend to be straight, and the regulation performance is good. The […]

Introduction of Flange butterfly valve

The butterfly valve is simple in structure, small in size and light in weight, and consists of only a few parts. Moreover, it can be opened and closed quickly by rotating 90°, and the operation is simple. At the same time, the valve has good fluid control characteristics. The butterfly plate of the butterfly valve […]

Pneumatic U-shaped flange butterfly valve

Introduction of Pneumatic U-shaped flange butterfly valve: The pneumatic U-shaped butterfly valve adopts a top-mounted structure, which reduces the connecting bolts of the valve body under the conditions of high pressure and large diameter, enhances the reliability of the valve and can overcome the influence of the weight of the system on the normal operation […]

structure and characteristics of U type flange butterfly valve

Introduction of U type flange butterfly valve: The face-to-face structure of U type flange butterfly valve is shorter than that of double flanged butterfly valve. U-shaped flange butterfly valve is widely used in petroleum, chemical, electric power, metallurgy, food, medicine, textile, papermaking and other industries. It can be installed at a temperature of ≤425℃, and […]

The structure and application fields of the lug type butterfly valve

Product Introduction of lug type butterfly valve: The driving mode of the lug butterfly valve can be manual, worm gear, pneumatic, electric, hydraulic. The connection method can choose flange and wafer, the structure can choose single eccentric, center line, double eccentric, triple eccentric, and the sealing structure can choose soft seal or hard seal. The […]