Przepustnice typu A są ważnymi jednostkami wykonawczymi w dziedzinie sterowania automatyką przemysłową, i mogą być stosowane jako zawory odcinające, control valves and check valves for piping systems. With manual control device, once the power failure, you can temporarily use manual operation, will not affect the use of. Suitable for situations where flow regulation is required. Because the pressure loss of the a-type butterfly valve in the pipeline is relatively large, about three times that of the gate valve (zasuwa o dużych rozmiarach), when selecting the butterfly valve, the impact of the pipeline system by the pressure loss should be fully considered, and the robustness of the butterfly plate under the pressure of the pipeline medium should also be considered when it is closed.
At this time, TWT,China feel it necessary to mention that in addition to the a-type butterfly valve, there is also a Zawór motylkowy.
The basic composition and use of butterfly valve
The butterfly valve is made of rubber sealing material and carbon steel or stainless steel valve plate and stem.
- Butterfly valves can be used for gas pipelines in sulfuric acid industry: furnace blower inlet and outlet, relay fan inlet and outlet, electric defog series and connection valve, S02 main blower inlet and outlet, converter adjustment, preheater inlet and outlet and cut-off gas use.
- Butterfly valve is used in sulfur acid system burning sulfur, transformation, dry suction section, is the brand of sulfur acid device valve, which is considered by the majority of users as: dobre właściwości uszczelniające, light operation, auxiliary corrosion, high temperature resistance, łatwa operacja, flexible, safe and reliable butterfly valve, has been widely promoted and used.
- Butterfly valves are also widely used in: chemiczny, petrochemiczny, smelting, medycyna, food and other industries in SO2, steam, air, gaz, ammonia, CO2 gas, olej, water, salt water, lye, seawater, nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid and other media of the pipeline as a regulating and intercepting device used.
Difference between a & Zawór motylkowy
The difference between the lt butterfly valve and the a-type butterfly valve is the connection and installation method, the a-type butterfly valve can be installed in the middle of the pipeline, and thelt butterfly valve can be installed in the middle of the pipeline or at the end of the pipeline.
The lt butterfly valve and the a-type butterfly valve are the same in structure, performance and material of the parts, only different from the a-type butterfly valve can be connected between the two pipe flanges through the double-headed bolt (or extended hexagon bolt). In addition to connecting between two pipelines through two sets of ordinary hexagonal bolts, the lt butterfly valve can also be installed at the end of the empty pipe.
A special butterfly valve with large diameter
Chiny zawór motylkowy typu u is a type of butterfly valve that is designed to handle particularly thick or viscous fluids, such as slurries, powders, and granules. It gets its name from the shape of its disc, which is U type and has a larger opening area compared to other types of butterfly valves.
U-type butterfly valve is a kind of regulating valve with special structure, which can be used for switching control of low-pressure pipeline medium. U-type butterfly valve refers to a valve whose closing part (valve disc or butterfly plate) is a disk and rotates around the valve shaft to achieve opening and closing. It can be used to control the flow of various types of fluids.
Characteristics of U type butterfly valve:
1, excellent bidirectional sealing performance, small torque value;
2, U-type butterfly valve flow characteristics tend to be straight, good adjustment performance;
3, lining connection and installation is convenient, vertical, horizontal installation can be;
4, the diversity of sealing materials, available for users to choose;
5, U-type butterfly valve valve can be used for pipe end as a vent valve, reliable performance;
6, the valve seat sealing ring and the valve body are organically integrated into one, so that the valve has a long service life.
As leading manufacturer and supplier in China of steel valves products, TWT provides quality butterfly valves, at the same time, we also supply kinds of gate valves, such as big size gate valve. Please contact us for more informations about gate valves products.