Fluorine lined diaphragm valve
The Fluorine Lined Diaphragm Valve is a corrosion-resistant valve specially designed for handling highly corrosive, toxic, and aggressive media. The valve body and internal flow passage are lined with high-performance fluorine materials such as PTFE (F4), PFA, or FEP, providing excellent chemical resistance, low friction, and reliable sealing performance.
Fluorine lined diaphragm valve
With a diaphragm isolation structure, the valve effectively separates the operating mechanism from the medium, preventing contamination and leakage while extending service life. It is widely used in chemical processing, pharmaceutical, semiconductor, environmental protection, and other industries requiring strict corrosion resistance.
We provide comprehensive OEM manufacturing and customization services, including customized valve dimensions, connection standards, lining materials, pressure ratings, actuator configurations, diaphragm materials, and surface treatments according to customer requirements. Our valves are manufactured under strict quality control systems and comply with international valve industry standards. Complete industry certifications and inspection documents are available, ensuring reliable performance and global application compatibility.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Fluorine Lined Diaphragm Valve |
| Valve Type | Diaphragm Valve |
| Body Material | Cast Iron, Carbon Steel, Stainless Steel, Alloy Steel |
| Lining Material | PTFE (F4), PFA, FEP, ETFE |
| Diaphragm Material | PTFE, EPDM, FKM, Rubber Composite |
| Nominal Diameter | DN15–DN300 (Customized Available) |
| Pressure Rating | PN6–PN16 / Class 150 (Customized Available) |
| Temperature Range | -40°C to +180°C (Depending on Lining Material) |
| Connection Type | Flange, Threaded, Welded, Clamp |
| Operation Method | Manual Handwheel, Pneumatic, Electric |
| Sealing Performance | Bubble-tight Shut-off |
| Flow Medium | Corrosive Liquids, Acids, Alkalis, Chemicals |
| Applicable Standards | DIN, ANSI, JIS, GB, API Standards |
| Leakage Standard | Zero Leakage / Industrial Sealing Standard |
| Inspection Standard | Pressure Test According to Industry Standards |
| Customization | OEM, ODM, Special Design Available |
Industry Applications
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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