Hebei Huahui Valve Co., Ltd

As a   Butterfly Valve Supplier ,share it with everyone. The butterfly valve is a valve that uses a disc-type opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. The butterfly valve is not only simple in structure, small in size, light in weight, low in material consumption, small in installation size, small in driving torque, easy to operate, fast, and high in chemical corrosion resistance, but also has good flow regulation and closing and sealing characteristics at the same time , The use of butterfly valves is very extensive. , The variety and quantity of its use continue to expand, and it is developing towards high temperature, high pressure, large diameter, high sealing performance, long life, excellent adjustment characteristics, and one valve with multiple functions. Its reliability and other performance indicators have reached a high level. Disadvantages, there is a certain resistance to the medium. Butterfly Valve Gate valve...

  What is Gate valves Gate valves  are widely used for all types of applications and are suitable for both above-ground and underground installation. Not least for underground installations it is paramount to choose the right type of valve to avoid high replacement costs. Gate valves are used to shut off the flow of liquids rather than for flow regulation. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low flow resistance. The size of the open flow path generally varies in a nonlinear manner as the gate is moved. This means that the flow rate does not change evenly with stem travel. Depending on the construction, a partially open gate can vibrate from the fluid flow Gate valves are mostly used with larger pipe diameters (from 2" to the largest pipelines) since they are less complex to construct than other types of valves in large sizes. Gate Valve Parts Main gate valve p...

  Multi-function Check Valve 1. Pay attention to the storage environment of check valves. They should be stored in a dry and ventilated room, and both ends of the passage should be blocked. 2. The check valve should be checked regularly, the dirt on it should be removed, and the anti-rust oil should be smeared on its surface. 3. The check valve after installation and application should be checked and repaired regularly to ensure its normal operation. 4. Check whether the sealing surface of the check valve is worn or not, and repair or replace it according to the situation. 5. Check the wear of the trapezoidal thread of the valve stem and the valve stem nut, whether the packing is out of date and invalid, etc., and replace it if necessary. 6. The sealing performance of the check valve should be tested to ensure its performance. 7. The check valve in operation should be intact, the bolts on the flange and the bracket are complete, the threads are not damaged, and there is no loosenes...

The check valve is a control component in the pipeline fluid conveying system. It is used to change the section of the passage and the direction of the medium flow. It has the functions of diversion, cutoff, throttling, check, diversion or overflow pressure relief. The check valve is unavoidable under long-term work, but if we maintain it, it can be used for a longer time. Share 13 small details with everyone to pay attention to, so that your check valve will last longer. As a   Ball Check Valve Leading Supplier , share with you. Multi-function Check Valve 1. Pay attention to the storage environment of check valves. They should be stored in a dry and ventilated room, and both ends of the passage should be blocked. 2. The check valve should be checked regularly, the dirt on it should be removed, and the anti-rust oil should be smeared on its surface. 3. The check valve after installation and application should be checked and repaired regularly to ensure its normal operation. 4. Chec...

  DIN F4 Gate Valve 1. Electrochemical corrosion If the surface of the stainless steel gate valve has some other metal element powders or other attachments of foreign metal particles, these powders and attachments in the humid air will interact with the condensed water in the stainless steel to produce a micro battery. In turn, an electrochemical reaction is initiated, which causes rust on the surface. 2. Organic liquid adheres to the surface Sometimes if there is some organic liquid on the surface of the stainless steel gate valve, it will form an organic acid in the presence of water and oxygen, and this organic acid will have a corrosive effect on the surface of the metal, so rust will appear on the surface. Or the surface of the stainless steel gate valve has some acid, or alkaline substances and salt substances, which can also cause rust on the surface. 3. Polluted air If the air is polluted, the air contains a lot of sulfide or carbon oxide, nitrogen oxide and other gases. Th...

For stainless steel gate valves, I believe many people are familiar with them. They often see them in life. They feel that they will not rust, but some have rust. For this reason, many people do not understand. Think it is a quality problem, so what is going on? Is it a quality problem? As a   Gate Valve Supplier , share with you. In fact, the reasons for the rust on the surface of the stainless steel gate valve are as follows. DIN F4 Gate Valve 1. Electrochemical corrosion If the surface of the stainless steel gate valve has some other metal element powders or other attachments of foreign metal particles, these powders and attachments in the humid air will interact with the condensed water in the stainless steel to produce a micro battery. In turn, an electrochemical reaction is initiated, which causes rust on the surface. 2. Organic liquid adheres to the surface Sometimes if there is some organic liquid on the surface of the stainless steel gate valve, it will form an organic aci...

Gate valve refers to a valve whose closing member (gate) moves along the vertical direction of the channel axis. It is mainly used as a shut-off medium in the pipeline, that is, fully open or fully closed. Generally, gate valves cannot be used for throttling. It can be used in high temperature and high pressure, and can be used in a variety of different media. Gate valves are generally not used in pipelines that transport mud and viscous fluids. Today, the   Gate Valve Leading Manufacturer  is here. What are the advantages of the popular science gate valve? DIN F5 Gate Valve The advantages of gate valves are as follows: ①　The fluid resistance is small; ②　The torque required for opening and closing is small; ③　 can be used in the ring network pipeline where the medium flows in two directions, that is to say, the flow direction of the medium is not restricted; ④　When fully open, the erosion of the sealing surface by the working medium is smaller than that of the stop valve; ⑤　T...