PTFE Lined Gate Valve
PTFE Lined Gate Valve Manufacturer
Mayur (Valves) System Private Limited, an ISO 9001:2015-certified company, has been a trusted PTFE Lined Gate Valve manufacturer and exporter since 1978. With exports to 40+ countries worldwide, we focus on timely delivery, consistent quality, and a smooth customer experience. Our valves serve clients across Europe, North America, the Middle East, Southeast Asia, Russia, and other international markets, supporting diverse industrial applications. The MVS Valves PTFE Lined Gate Valve is specifically engineered to handle highly corrosive, abrasive, and fiber-laden media found in chemical, pharmaceutical, and industrial process systems. Designed to ensure full bore flow and tight shut-off, this valve is available in both rising stem and non-rising stem configurations to suit different installation needs. In the rising stem model, the stem moves vertically along with the disc, allowing clear visual indication of valve position. In contrast, the non-rising stem design operates by rotating the stem without vertical movement, which is ideal for confined spaces.
To ensure unmatched corrosion resistance and reliable sealing, MVS offers PFA lined gate valves, FEP lined gate valves, and PTFE lined gate valves with high-integrity linings that withstand aggressive acids, alkalis, and solvents. These linings are permanently bonded to robust cast iron, carbon steel, or stainless steel bodies, delivering long-lasting protection and mechanical stability. The valve’s design ensures smooth operation and prevents clogging, especially when handling particulate-rich or viscous media, which can often lead to jamming in conventional gate valves.
Built to comply with global quality standards, our fluoropolymer lined gate valve range provides excellent resistance to a wide range of chemicals and temperatures. These valves are ideal for use in demanding environments like fertilizer plants, chlorine processing units, wastewater treatment, and specialty chemical industries. Each fluoroplastic lined gate valve is tested to ensure zero leakage and reliable operation under fluctuating pressure conditions.
As a trusted OS&Y type lined gate valve manufacturer, MVS focuses on providing valves that not only deliver high performance but also offer operational ease and maintenance-free longevity. Our fluorine lined gate valve models are widely preferred for their superior anti-stick surface, which prevents media buildup and ensures consistent flow. For industries requiring the highest standards of chemical resistance, we also offer fluorocarbon resin lined gate valves that provide exceptional thermal and pressure stability.
Specification
| Parameter | Specification |
|---|---|
| Size Range | 25 mm to 150 mm |
| Design Standard | API 600 |
| Testing Standard | API 598 |
| Flange Dimensions | ANSI B16.5 - Class 150# / DIN, BS10, JIS |
| Face to Face | ASME B16.10 |
| Body Lining Options | FEP / PFA |
| Lining Spark Test | 15 KVDC (Body Liners & All Wetted Parts) |
| Hydro Test | Body: 20 Kg/cm², Seat: 10 Kg/cm² |
Material of Construction
| Body | Ductile Iron / Cast Steel (WCB) / Stainless Steel (304 / 304L / 316 / 316L) |
| Wedge / Stem (1 Pc.) | A351 CF8 / CF8M / CF3 / CF3M |
| Lining Material | FEP / PFA |
| Lining Thickness | Min. 3.0 mm / 5.0 mm overall |
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
Related Valves
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PTFE Lined Gate Valve
Frequently Asked Questions
Can’t find your duty condition here? Send us the media, size, pressure and temperature and we will specify the valve. Contact us
What is a PTFE lined gate valve and how does it work?
A gate valve whose body and all wetted parts are lined in FEP or PFA, with a one-piece wedge and stem in stainless. Turning the handwheel raises or lowers the lined wedge across the bore. Fully open it clears the flow path completely, so unlike a lined butterfly valve there is nothing in the stream — which makes it the lined valve of choice where pressure drop must be as close to zero as possible.
Which body and lining materials are available?
Body in Ductile Iron, Cast Steel (WCB) or Stainless Steel (304, 304L, 316, 316L). Wedge and stem in a single piece of A351 CF8, CF8M, CF3 or CF3M. Lining in FEP or PFA at a minimum 3.0 mm, 5.0 mm overall. The one-piece wedge-and-stem construction removes the joint that is the usual failure point on a lined gate valve.
What size, test pressures and standards apply?
25 mm to 150 mm. Designed to API 600 and tested to API 598, with flange dimensions per ANSI B16.5 Class 150# (or DIN, BS 10, JIS) and face-to-face per ASME B16.10. Hydro test body 20 kg/cm², seat 10 kg/cm², plus a 15 KVDC spark test on the body liners and all wetted parts.
When should I choose a lined gate valve over a lined ball or butterfly valve?
When unrestricted full bore matters more than speed of operation — the wedge clears completely, so there is no pressure drop and no obstruction. It is also the natural retrofit where an existing line already uses gate valves and the flange face-to-face must not change. Where you need quarter-turn speed, choose a lined ball valve; for large bores at lower cost, a lined butterfly valve.
Are you a manufacturer, and what are your minimum order quantity and customization options?
MVS is a manufacturer — building valves at its own works since 1978, ISO 9001:2015 certified — and exports across several continents. The minimum order quantity is 20 pieces. Stainless bodies, PFA lining and DIN, BS 10 or JIS flange dimensions are built to order.






