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 valves ar

  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 parts of a gate valve are: body, seat, gate, stem, bonnet and act

  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 looseness. 8