Fluorine lined vertical check valve
The Fluorine-Lined Vertical Check Valve is a specially designed non-return valve suitable for vertical pipeline installation. It adopts advanced fluoropolymer lining technology, using high-performance materials such as FEP, PTFE, or PFA to provide excellent corrosion resistance and reliable sealing performance.
Fluorine lined vertical check valve
The vertical structure allows efficient installation in space-limited pipeline systems while ensuring stable one-way flow control. The fluorine lining effectively isolates corrosive media from the metal valve body, preventing corrosion damage and extending the service life of the valve. It is widely used for transporting acids, alkalis, solvents, and other aggressive chemical fluids.
We provide professional OEM manufacturing and customized solutions according to customer requirements, including:
Our Fluorine-Lined Vertical Check Valves are manufactured under strict quality control systems and comply with international valve industry standards. Available certifications include:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Fluorine-Lined Vertical Check Valve |
| Valve Type | Vertical Check Valve / Non-Return Valve |
| Structure Type | Vertical Lift Type / Spring Loaded Type |
| Installation Direction | Vertical Pipeline Installation |
| Body Material | Carbon Steel / Stainless Steel / Customized Materials |
| Lining Material | FEP / PTFE / PFA Fluoropolymer |
| Disc Material | Fluorine-Lined Stainless Steel |
| Seat Material | PTFE / FEP / PFA |
| Nominal Size | DN15–DN300 (1/2"–12") |
| Pressure Rating | PN10–PN16 / Class 150 |
| Connection Type | Flange / Thread / Customized Connection |
| Applicable Temperature | -40°C to +180°C (Depending on Lining Material) |
| Applicable Medium | Acids, Alkalis, Solvents, Chemical Liquids, Corrosive Media |
| Flow Direction | Vertical One-Way Flow |
| Sealing Performance | High Tightness, Low Leakage |
| Design Standard | ANSI / DIN / JIS / GB Standards |
| Testing Standard | API 598 / EN 12266 |
| Corrosion Resistance | Excellent Chemical Resistance |
| Installation Advantage | Space Saving Vertical Design |
| Maintenance | Low Maintenance Requirement |
| Service Life | Long-Term Reliable Operation |
Industry Applications
The Fluorine-Lined Vertical Check Valve is widely used in industries requiring corrosion resistance, compact installation, and reliable backflow prevention.
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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