PTFE Lined Ball Check Valve
PTFE Lined Ball Check Valve Manufacturer
MVS Valves PTFE Lined Ball Check Valve is designed to deliver long-lasting, corrosion-resistant performance in critical non-return applications. This straight-type, full-port, unidirectional valve features a robust two-piece bolted body construction, fabricated from high-quality cast ductile iron and fully lined with advanced fluoropolymers such as PTFE, PFA, FEP, PVDF, and PP. Built as per ANSI Class 150 and PN 10–16 pressure standards, these valves are available in sizes ranging from DN 15 to DN 150 (½″ to 6″), offering highly reliable service in aggressive fluid systems.
The core of this fully lined ball check valve is its encapsulated ball, which ensures tight shut-off and zero backflow. As an industrial lined ball check valve, it is specially developed for chemical, pharmaceutical, ultrapure water, and wastewater applications where leakage, contamination, and corrosion are major concerns. The lined check valve ball type configuration offers a self-cleaning and low-maintenance sealing mechanism, operating silently and efficiently even under fluctuating pressures and fluid compositions.
Our ball check valve with PTFE lining is engineered to withstand highly corrosive environments, offering exceptional resistance to acids, alkalis, solvents, and reactive media. Clients can also opt for enhanced durability with ball check valve with PFA lining, ball check valve with FEP lining, PVDF lining, or PP lining, depending on specific fluid compatibility requirements. These linings ensure that every component exposed to the medium is shielded, making the valve ideal for corrosion-resistant applications.
MVS offers multiple variants such as FEP lined ball type check valve, PFA lined ball check valve, PVDF lined ball check valve, and polypropylene PP lined ball check valve, each complying with stringent API 598, ASME, and BS EN testing standards. With smooth internal surfaces, minimal pressure drop, and cavity-free construction, these valves guarantee low torque operation and long service life.
Whether it’s a lined ball type non-return valve for corrosive chemicals or an industrial PTFE lined ball check valve for ultra-clean processes, MVS provides reliable solutions tailored to your needs. These valves are trusted in processing plants, chemical handling systems, and utilities that demand fully lined ball check valves with consistent performance and unmatched safety.
By choosing MVS Valves, you invest in precision-engineered, corrosion-resistant lined ball check valves backed by decades of expertise and manufacturing excellence. Our commitment to quality and innovation ensures that every valve performs with maximum reliability, regardless of the application.
Specification
| Specification | Details |
|---|---|
| Valve Type | Lined Check Valve (Ball Type NRV) |
| Valve Size | DN15 – DN150 (½″ - 6″) |
| Design | Single moving part, full bore |
| Installation Orientation | Vertical or up to 60° inclined / Horizontal (90° to 60°) |
| Flow Direction | Unidirectional |
| Face-to-Face Standard | ANSI B16.10 / BS EN 558 - 1&2 |
| Flange Drilling | ASA #150 / DIN 2632/33 / BS 10 TABLE D, E, F |
| Flange Standard | As per ANSI B16.5 / B16.42 |
| Lining Thickness | 3.0 to 5.0 mm |
| Hydraulic Test Pressure | Body – 15 Kg/cm² Back Seat – 2 Kg/cm² (Leakage Rate D) |
| Spark Test | 15 KVDC |
| Features | Prevents backflow or back pressure during vertical installation Automatic closing with center-guided ball Full-size port for maximum capacity Low-pressure drop in open condition Maintenance-free due to single moving part Fully lined design prevents contamination and corrosion |
Material of Construction
| Body with Lining | Ductile Iron GGG40.3 / ASTM A216 Gr. WCB (FEP Lined) |
| Solid Ball | PTFE |
| Bolts | Mild Steel |
| Nuts | Mild Steel |
| Lining Material Options | PFA – ASTM D 3307 FEP – ASTM D 2116 PVDF – ASTM D 3222 Polypropylene PP |
| Body/Disc Material Options | Ductile Iron GGG40.3 / ASTM A395 Cast Steel ASTM A216 Gr. WCB Stainless Steel ASTM A351 Gr. CF8 / SS304 Stainless Steel ASTM A351 Gr. CF8M / SS316 |
Application Industries

Crude Oil & Natural Gas Industry

Chemical & Petrochemical Industry

Water & Wastewater Treatment

Nuclear & Thermal Power Generation

Food & Beverage Industry

Pharmaceutical & Biotechnology

Pulp & Paper Industry

Mining & Mineral Processing

Marine & Shipbuilding

HVAC & Building Services

Automotive & Paint Chemical Manufacturing

Environmental & Bio Gas Renewable Energy

Steel & Metal Processing

Fertilizer Plants, Polymer Production

Cosmetics & Personal Care

Cement & Construction

Chlor-Alkali Industry

Mineral Acids Industry
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