Chinas natural resources are limited. Therefore, the development of standards for power saving, water saving and material saving is one of the development directions of valve electric devices. It will speed up the elimination of products with low effi…
The electric head generally includes a driver, which receives the driver signal (0-10V or 4-20MA) to control the valve electric device for adjustment, and can also constitute an intelligent network control system according to the control needs, optimi…
Considering the thermal strength, the problem of severe thermal expansion and contraction causes the gap between the guide and the rotating gap of the valve plate to be reduced or even become excessive due to expansion, thereby being stuck. Therefore,…
Since the electric actuator drive unit has more parameterized settings and high integration, in the event of a fault, the entire component must be replaced, and when the driving force required by the system increases, the components must be replaced i…
Compared with pneumatic actuators, electric actuators have three main advantages: (1) no special air source and air purification devices, (2) long-distance transmission of signals, cable laying is much more convenient than air pipe and liquid pipe lay…
There are quite a variety of valves, and the working principle is not the same. Generally, the opening and closing control is realized by rotating the valve plate angle and lifting valve plate. When it is matched with the electric actuator, the electr…
With the advancement of society and the development of science and technology, valves are increasingly used in various fields of industry, agriculture and peoples lives, and they also create more and more value for society. The valve industry encounte…
Because the measurement and control signal is often a weak DC or slow-changing radiation interference from space, the influence of the intelligent electric actuators measurement and control system mainly depends on two paths: one is direct radiation t…
The Technical Supervision Committee of the Ministry of Public Security approved the release of the GA79 "Fire Ball Valve" industry standard, which is a mandatory standard and will be implemented as of the date of approval. GA79-1994 "Fi…
In order to prevent the electric actuator from being in the cold, the temperature difference between day and night is large, and the air humidity is high, the internal cavity of the actuator is used to condense inside the chamber, and the newly instal…
Switching type electric actuators generally control the opening or closing of the valve. The valve is either in the fully open position or in the fully closed position. Such valves do not need to control the medium flow. Especially worth mentioning is…
The valve structure form code should generally indicate the valve type, drive mode, connection form, structural characteristics, nominal pressure, sealing surface material, valve body material and other elements; the standardization of the structural …