Heavy hammer type hydraulic check butterfly valve supplier

ZZJG VALVE - 2025-04-02

The heavy hammer type hydraulically controlled check butterfly valve is the most advanced pipeline control equipment at home and abroad. It is mainly installed at the turbine inlet of hydro power station, the outlet of thermal power generation circulating cooling water, and the pump for water supply and drainage, to replace the check valve and gate valve. When working, the valve cooperates with the pipeline host, according to the principle of hydraulic transition process, through the effective setting of electro-hydraulic control program, to achieve reliable pipeline cut-off, effectively eliminate pipeline water hammer, and realize automatic valve closing without electricity, which plays a role in protecting the safety of the pipeline system.

ZZJG heavy hammer type hydraulic check butterfly valve

The intelligent heavy hammer type hydraulic controlled slow closing check butterfly valve produced by ZZJG Valve uses the heavy hammer potential energy as the power source for automatic valve closing, adopts PLC intelligent control system, and can be equipped with manual and automatic locking devices according to user requirements. It has a small flow resistance coefficient, a high degree of automation, complete functions, and stable and reliable performance. It is a new generation of intelligent, efficient and energy-saving products developed by our company on the basis of extensive collection, research and summary of the performance of similar products at home and abroad, and the introduction of multiple research results in the valve, hydraulic, electrical and other industries.

The heavy hammer type hydraulic controlled slow closing butterfly valve has the characteristics of compact structure, light weight, convenient operation, reliable performance, complete functions, beautiful appearance and easy maintenance.

The heavy hammer type hydraulic control slow closing butterfly valve has the dual functions of control and check, one valve for two purposes. When used for control and check at the outlet of the pump, it has unparalleled advantages over other valves. The valve can be closed in two stages: fast closing and slow closing according to a pre-adjusted program. The angle and closing time can be selected according to user needs. It has the best elimination or suppression effect on water hammer hazards and water pump reversal caused by pressure increase during sudden power outages or accidents. It can easily realize pump valve interlock control and microcomputer control, and can be operated locally or remotely. Under special circumstances, the valve can be opened and closed manually: It can be installed as a whole or in a separate vertical installation according to user needs. Compared with the heavy hammer type hydraulic control valve, it has taken a step forward, with both obvious energy-saving effects and reliable safety; it has a large opening force, and the butterfly plate has no fluctuation after opening, which can maintain the minimum flow resistance coefficient, the hydraulic system has good pressure maintaining performance, high hydraulic efficiency, and a long oil start interval.

The valve body and valve plate have good supporting structure and axial positioning structure, and the bearing is lubricated with hydrolysis-resistant grease. The valve shaft bearing has a reliable anti-sediment combined sealing structure, with the seal on the inside and the bearing on the outside. There is a leaking hole in between to prevent the water containing sediment from entering the bearing chamber, accelerating wear and causing the shaft to get stuck. The valve has full-open and full-close mechanical limits, and has an intuitive opening indicator disk. The valve rubber seal ring has anti-fatigue, anti-aging and wear-resistant properties. The valve will not be damaged after opening and closing more than 4,000 times, and has a long service life.