Because of its simple structure, easy installation, light weight, and fast opening and closing, butterfly valves are widely used in industrial and civil medium and low pressure pipeline systems. If such a widely used valve can effectively prolong its service life, it will produce a lot of value for butterfly valve users.
The correct selection of the applicable butterfly valve provides a prerequisite for the service life of the butterfly valve when the correct selection is made. Different butterfly valves are used in different occasions, and this is also the reason for the appearance of all kinds of specifications and models of butterfly valves. When selecting the type, you can’t blindly use high-priced butterfly valves. Various butterfly valves of different specifications are necessary, so there is no good or bad between them, only suitable or unsuitable. The working conditions suitable for use are the best.
Reasonable installation: Although the installation of butterfly valve is simple, it still cannot be taken care of. Any damage, bending, or deformation of the parts will affect the effect of use. Correct use is also necessary. For example, you cannot use an afterburner or torque wrench when opening and closing a manual butterfly valve. Generally speaking, the design must be reasonable. When we cannot easily open and close the butterfly valve, how to extend the life of the butterfly valve? The reason should be checked first, forcibly closing will greatly shorten the service life of the valve.
Reasonable design When used in some special operating environments, the user can negotiate a suitable design plan with the manufacturer. If the standard conventional products are still used, it will not be conducive to the use of butterfly valves.
In the pipeline system, if remote control or frequent closing is required, electric butterfly valves and pneumatic butterfly valves are usually selected. Because of frequent opening and closing and special working conditions, special design treatment is usually required. Manual butterfly valves with polished rods cannot be directly installed with valve actuators. Generally, the following treatments should be carried out: the valve stem is thickened to prevent the valve stem from bending and deforming due to vibration during the opening and closing process; the packing system adopts methods such as installing spacer rings, reasoning compensation springs, and installing O-rings to extend the packing system under this working condition Service life
The above is a few experiences accumulated in the process of valve design and use, hoping to provide effective help to valve users in need.