This swing-type flange check valve features premium PTFE lining, offering excellent resistance to acids, alkalis and salts. Compliant with ANSI standards, it has a working temperature of -20~160℃, available in 3/4"-12" sizes, with reliable zero-leakage sealing. Made of WCB/SS304/SS316 etc., it's ideal for chemical, metallurgy, pharmaceutical and environmental protection industries.
| Applicable Medium | Water |
| Working Temp | Ordinary Temperature |
| Material | Brass / Ductile Iron |
| Connection | Flange |
| Structure | Butterfly / Swing |
| Pressure | Ordinary Environment |
Our facility integrates research and development, design, manufacturing, and sales of various fluorine lined valves. The products are widely used in anti-corrosion engineering fields such as pharmaceuticals, new energy, chemical industry, power, petroleum, metallurgy, and steel.
Equipped with multiple machining centers, CNC machine tools, precision vertical lathes, automated coating assembly lines, and various valve pressure testing equipment. We utilize ERP systems to ensure production progress is traceable and controllable, providing high-quality fluid control solutions.






Our leading products include: Fluorine lined regulating valves, control valves, three-way ball valves, butterfly valves, gate valves, globe valves, check valves, diaphragm valves, discharge valves, Y-shaped filters, and pipeline accessories.