PTFE Lined Bottom Discharge Ball Valve Corrosion Resistant Chemical Process Valve

The Lined FEP V Shape Ball Valve is a high-performance control valve designed with a V-shaped ball structure and FEP (Fluorinated Ethylene Propylene) lining technology. It combines excellent corrosion resistance, precise flow regulation, and reliable sealing performance, making it ideal for handling aggressive chemicals, corrosive media, and high-purity applications.

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Lined FEP V shape ball valve Parameter Specifications Industry Applications

Lined FEP V shape ball valve

The V-port ball design provides accurate throttling control and stable flow characteristics, while the FEP lining offers outstanding resistance against acids, alkalis, solvents, and other highly corrosive fluids. The valve is widely used in chemical processing, pharmaceutical, petrochemical, and industrial automation systems.

OEM Capability & Customization

We provide comprehensive OEM manufacturing and customization services, including:

Customized valve dimensions, pressure ratings, and connection standards according to customer requirements.
Customized FEP lining thickness and material selection for different corrosive media.
Customized V-port ball angles and flow control characteristics.
Customized actuator configurations, including pneumatic, electric, and manual operation.
Customized surface treatment, logo marking, packaging, and product labeling.
Support for special working conditions such as high corrosion, high purity, and harsh chemical environments.

Industry Certifications

Our valves are manufactured under strict quality control systems and comply with international valve industry standards. Available certifications include:

ISO 9001 Quality Management System
CE Certification
API Standards Compliance (where applicable)
EN Standards Compliance
Pressure Testing According to API 598 / EN 12266
Material Certificates (MTC)
Customized inspection and testing reports available upon request

Parameter Specifications

Parameter	Specification
Product Name	Lined FEP V Shape Ball Valve
Valve Type	V-Port Ball Control Valve
Body Material	Carbon Steel / Stainless Steel / Customized Materials
Lining Material	FEP (Fluorinated Ethylene Propylene)
Ball Material	Stainless Steel with FEP Lining
Seat Material	FEP / PTFE / Customized
Nominal Size	DN15–DN300 (1/2"–12")
Pressure Rating	PN10–PN16 / Class 150 (Customized Available)
Connection Type	Flange / Wafer / Customized Connection
Operation Method	Manual / Pneumatic / Electric Actuated
Flow Characteristic	Equal Percentage / Linear Control
V-Port Angle	30° / 60° / 90° (Customized)
Temperature Range	-29°C to +180°C (Depending on Lining Material)
Applicable Medium	Acids, Alkalis, Solvents, Chemical Liquids, Corrosive Media
Leakage Standard	Zero Leakage (Bubble Tight Shut-off)
Test Standard	API 598 / EN 12266
Sealing Performance	High Performance Soft Seal
Control Accuracy	Precise Flow Regulation
Installation Position	Horizontal / Vertical Pipeline Installation
Service Life	Long Cycle Operation with Corrosion Resistance

Industry Applications

The Lined FEP V Shape Ball Valve is widely applied in industries requiring corrosion resistance and accurate flow control:

Chemical Industry

Acid and alkali transportation systems
Chemical reactors and process pipelines
Corrosive liquid control systems

Pharmaceutical Industry

High-purity chemical handling
Pharmaceutical production pipelines
Sterile process systems

Petrochemical Industry

Solvent handling systems
Chemical refining processes
Corrosive media pipelines

Semiconductor & Electronics Industry

Ultra-pure chemical supply systems
Specialty chemical processing equipment

Water Treatment Industry

Wastewater treatment systems
Chemical dosing equipment
Corrosive wastewater pipelines

Food & Beverage Industry

Hygienic processing systems
Chemical cleaning (CIP) systems

Mining & Metallurgy Industry

Acid leaching systems
Slurry and corrosive fluid control applications

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%.