PTFE-lined Butterfly Valve

If you care about specific parameters, we won't beat around the bush-let's talk straight: the nominal diameter ranges from DN50 to DN800, which can basically cover both small and large-diameter pipelines; it can withstand pressures from PN1.0 to PN2.5MPa, meeting the pressure requirements of conventional chemical workshops; the temperature range is even more practical-from a low temperature of -20℃ to a high temperature of 180℃, the fluorine-lined layer will not deform or fail. The connection method is flange, which fully complies with the national standard GB/T 12238. It can be directly connected and installed on-site without additional size modifications, saving a lot of construction time. The sealing surface is not only fluorine-lined but also coated with a wear-resistant layer, which can be opened and closed tens of thousands of times without easy leakage, and its service life is more than 50% longer than that of ordinary fluorine-lined valves.

Friends who have used fluorine-lined valves know that some valves are either difficult to open and close or have easily peeling lining layers. We have specially optimized this model: the butterfly plate adopts an eccentric design, which reduces friction during opening and closing, making it easy to twist manually. If you choose the electric or pneumatic version, it can respond in 0.3 seconds, making it very flexible for flow adjustment; the fluorine-lined layer is integrally molded, fitting tightly with the valve body. Even when used in vibrating working conditions for a long time, there will be no bulging or peeling. In addition, the valve body is made of cast steel or stainless steel, with an additional anti-corrosion coating on the outside, providing double protection inside and out. Even if installed outdoors, it is not afraid of rusting due to wind and rain.

As for application scenarios, they are extremely wide-ranging. It can be used in chemical plants for the transportation of acid-base solutions, in electroplating workshops for the circulation of electroplating solutions, in pharmaceutical factories for the control of corrosive solvents, and in wastewater treatment plants for acid-base neutralization tanks. Especially when used with floating ball valves-for example, in pesticide production lines, the fluorine-lined butterfly valve adjusts the raw material flow, while the floating ball valve shuts off the pipeline in emergency situations, providing double protection to prevent safety accidents; in the etching solution system of electronics factories, their cooperation can accurately control the medium concentration and reduce waste generation.

When we do the valve business, we don't just sell products-we sell peace of mind. This fluorine-lined butterfly valve comes with a one-year warranty directly from us. As long as it is not damaged manually, whether it is a problem with the lining layer or a sealing failure within the warranty period, maintenance and replacement of parts are completely free, and you don't have to spend an extra penny. Moreover, whether it is day or night, if you encounter problems during installation or commissioning, you can contact our technical team at any time-someone is available 24 hours a day to provide video guidance or phone answers. You don't have to figure it out by yourself.

If you want to know more details about this fluorine-lined butterfly valve, or want to learn about the company's latest corrosion-resistant solutions and customer cases, just follow Zhengmao Valves' official accounts. The latest updates will be posted in a timely manner. You can also talk to us directly about your needs for special working conditions, and we will definitely customize a suitable solution for you to ensure you use it with peace of mind.