PTFE Lined Wafer Check Valve Compact Chemical Process Valve

The Fluorine-Lined Plug Valve is a high-performance corrosion-resistant valve designed for reliable shut-off and flow control of highly corrosive fluids. The valve adopts advanced fluoropolymer lining technology, using materials such as FEP, PTFE, or PFA to provide excellent chemical resistance and prevent direct contact between corrosive media and the metal valve body.

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Fluorine lined plug valve Parameter Specifications Industry Applications

Fluorine lined plug valve

With a simple structure, low operating torque, excellent sealing performance, and long service life, the Fluorine-Lined Plug Valve is ideal for handling strong acids, alkalis, solvents, and other aggressive chemical media. It is widely used in chemical processing, petrochemical, pharmaceutical, and other industries requiring reliable corrosion protection.

OEM Capability & Customization

We provide professional OEM manufacturing and customized valve solutions to meet various industrial requirements, including:

Customized valve sizes, pressure ratings, and connection standards.
Customized fluorine lining materials (FEP / PTFE / PFA) according to different chemical media.
Customized valve body materials, including carbon steel, stainless steel, and special alloys.
Customized plug structures and sealing designs for different working conditions.
Customized operation methods, including manual, pneumatic, and electric actuation.
Customized dimensions, surface treatment, logo marking, packaging, and technical documentation.
Customized solutions for high corrosion, high purity, vacuum, and special industrial applications.

Industry Certifications

Our Fluorine-Lined Plug Valves are manufactured under strict quality control systems and comply with international valve industry standards. Available certifications include:

ISO 9001 Quality Management System Certification
CE Certification
API 599 Standards Compliance
API 598 Pressure Testing Standard
EN 12266 Testing Standard
Material Test Certificate (MTC)
Factory Inspection Report
Customized inspection and testing reports available upon request

Parameter Specifications

Parameter	Specification
Product Name	Fluorine-Lined Plug Valve
Valve Type	Lined Plug Valve
Structure Type	Straight Through Plug Valve / Three-Way Plug Valve
Body Material	Carbon Steel / Stainless Steel / Customized Materials
Lining Material	FEP / PTFE / PFA Fluoropolymer
Plug Material	Fluorine-Lined Stainless Steel
Seat Material	PTFE / FEP / PFA
Nominal Size	DN15–DN500 (1/2"–20")
Pressure Rating	PN10–PN16 / Class 150
Connection Type	Flange / Thread / Welded Connection
Flange Standard	ANSI / DIN / JIS / GB Standards
Operation Method	Manual / Pneumatic / Electric
Applicable Temperature	-40°C to +180°C (Depending on Lining Material)
Applicable Medium	Strong Acids, Alkalis, Solvents, Corrosive Liquids
Sealing Performance	Tight Shut-Off, Low Leakage
Flow Characteristic	On-Off Control / Flow Isolation
Design Standard	API 599 / ANSI / DIN Standards
Testing Standard	API 598 / EN 12266
Corrosion Resistance	Excellent Chemical Resistance
Maintenance	Simple Structure, Easy Maintenance
Service Life	Long-Term Reliable Operation

Industry Applications

The Fluorine-Lined Plug Valve is widely used in industries requiring excellent corrosion resistance and reliable fluid isolation.

Chemical Industry

Acid and alkali processing systems
Chemical storage and transportation pipelines
Corrosive fluid control systems

Pharmaceutical Industry

High-purity chemical handling systems
Pharmaceutical production pipelines
Clean process equipment

Petrochemical Industry

Solvent transportation systems
Chemical refining processes
Corrosive medium pipelines

Semiconductor & Electronics Industry

Specialty chemical supply systems
Ultra-pure chemical processing equipment

Water Treatment Industry

Industrial wastewater systems
Chemical dosing pipelines
Corrosive liquid treatment systems

Food & Beverage Industry

Cleaning and sterilization systems
Hygienic fluid control applications

Mining & Metallurgy Industry

Acid leaching systems
Chemical slurry transportation
Corrosive process pipelines

CUSTOMIZED SERVICE Customized Product

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%.