Contact Yonglong
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Mobile: 15900658318 -
Fax: 021-57568296 -
Email: 1257073858@qq.com -
Address: Nanting Highway, Fengxian District, Shanghai -
2788
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fifteen 2022-05 Selection method of stop valve under different working conditions The stop valve, also known as throttle valve, adopts the form of low inlet and high outlet. Through the mechanical pressure of the valve stem, the valve disc is pressed against the valve seat, and the angular plane at the bottom of the valve stem is mechanically wedged against the ball to make it tightly pressed against the valve seat, so as to achieve complete sealing -
fourteen 2022-01 Sealing principle of stop valve for ammonia The small editor of Shanghai ammonia valve manufacturer explained the sealing principle of liquid ammonia stop valve, ammonia gas stop valve and ammonia use stop valve. To ensure that the valve can operate reliably without leakage, it is particularly important to maintain the sealing performance of the valve -
thirteen 2021-09 What are the customer's basic requirements for the stop valve for ammonia? Customers interested in ammonia stop valves can clearly express their views on equipment and describe some methods and techniques for distinguishing better valves, which reflects that the sales scope of valves is wider than expected. After that, they are willing to do -
09 2021-09 Reasons for continuous improvement of liquid ammonia stop valve function The powerful liquid ammonia stop valve is used to continuously improve and optimize the market demand, which can solve many problems. Under this premise, to a large extent, it benefits from the continuous improvement of design and production implementation of the technologically advanced liquid ammonia stop valve manufacturer, as well as the specific inspection -
twenty 2021-08 What should be paid attention to when installing the pneumatic emergency shut-off valve? Nowadays, the pneumatic emergency shut-off valve of Shanghai Yonglong Valve Factory is used more and more frequently, and its function and continuous value have been recognized by many consumers. Although the standardized installation process has been clearly described, this is a necessary note. conscientious...... -
twenty 2021-08 What are the application characteristics of ammonia stop valve? Which ammonia stop valve is trustworthy is a common concern of many buyers. As a high-end representative of automatic valves, it certainly has irreplaceable advantages in practical applications. It can not only realize fast switching, but also can continuously adjust the valve -
fourteen 2021-08 What types of liquid ammonia stop valves are distinguished according to their structures? With the development of society, computer control and management system has been widely used. The electrical mode is usually driven by electromagnetism, and electric devices or motors are also involved. The solenoid operated valve is what we usually call the solenoid valve, and the liquid ammonia valve generally refers to -
seventeen 2021-06 Picture of ammonia stop valve Working principle of bellows ammonia stop valve The corrugated pipe stop valve for ammonia is also called the corrugated pipe ammonia stop valve. The valve cover and valve stem adopt the corrugated pipe sealing structure, which can completely eliminate the possibility of process medium leaking out from the valve stem movement clearance. This is one of the characteristics of Shanghai Yonglong ammonia stop valve -
seventeen 2021-06 Ammonia stop valve_working principle of bellows ammonia stop valve The corrugated pipe stop valve for ammonia is also called the corrugated pipe ammonia stop valve. The valve cover and valve stem adopt the corrugated pipe sealing structure, which can completely eliminate the possibility of process medium leaking out from the valve stem movement clearance. This is one of the characteristics of Shanghai Yonglong ammonia stop valve -
eleven 2021-02 Ammonia stop valve | liquid ammonia stop valve series installation mode Installation mode of liquid ammonia stop valve in series: in order to ensure the tightness of the valve during the maintenance cycle, two stop valves in series are required to be installed for valves that are frequently opened and closed. When the ammonia stop valve is closed, the medium pressure acts on the valve disc to increase the sealing of the valve
