Description
PTFE Seat Butterfly Valve - Corrosive & Hygienic Flow Control
FlowBiz Exports is a trusted manufacturer and global exporter of high-performance PTFE Seat Butterfly Valves. Engineered with premium virgin or carbon-filled PTFE (Teflon) liners, these valves provide ultimate chemical resistance, zero-leakage sealing, and exceptionally low friction torque in highly corrosive, acidic, and sanitary piping applications.
Key Features & Operational Superiority
- Chemical Immunity: Pure PTFE lining provides complete immunity to aggressive acids, solvents,alkalis, and reactive process fluids.
- Bi-Directional Bubble-Tight Shut-Off: Precision-molded PTFE seat coupled with an elastomeric backing pad guarantees 100% leak-proof isolation in both flow directions.
- Contamination-Free Media Flow: Inert PTFE material prevents fluid contamination, making it ideal for high-purity pharma and food-grade applications.
- Low Operating Friction: High lubricity of PTFE reduces stem operating torque, extending actuator and seat service life.
Technical Specifications & Material Grades
Parameter | Specification Details |
Size Range | DN40 to DN600 (1.5” to 24”) |
Pressure Rating | PN10, PN16, Class 150 / ASME B16.5 |
Temperature Range | -20°C to +180°C (Depending on media concentration) |
Body Materials | Ductile Iron, Cast Steel (WCB), Stainless Steel (CF8 / CF8M / CF3M) |
Disc Materials | SS316, SS304, PFA / PTFE Lined Stainless Steel, Hastelloy |
Seat / Liner Material | Virgin PTFE, Glass-Filled PTFE, Carbon-Filled PTFE with EPDM / Silicone Backing |
Body Style | Wafer, Lug, and Flanged Types |
International Standards & Quality Inspection
All FlowBiz PTFE seated butterfly valves are designed and manufactured according to API 609, ISO 5752, and BS EN 593 standards. Every valve undergoes hydrostatic body testing, high-pressure pneumatic seat testing, and spark testing for PTFE liners as per API 598 guidelines prior to packaging and export.
Industrial Applications
Our PTFE seat butterfly valves are extensively utilized across harsh chemical and sanitary process industries, including:
- Chemical & Petrochemical Processing
- Pharmaceutical & Biotechnology Plants
- Acid Handling & Fertilizer Manufacturing
- Food, Beverage & Dairy Processing
- Water Treatment & Desalination Facilities
Why Choose FlowBiz Exports?
At FlowBiz Exports, over three decades of manufacturing mastery back every industrial valve we produce. We combine state-of-the-art infrastructure, certified testing procedures (Hydrostatic, Radiography, PMI), and rigorous quality control to deliver long-lasting performance. With global export compliance, custom engineering solutions, direct factory pricing, and committed technical support, FlowBiz is the trusted partner of choice for leading engineering contractors and industrial buyers worldwide.