Stainless Steel PTFE Lined Butterfly Valve with Lever

This premium stainless steel fully PTFE-lined flanged butterfly valve is engineered for bidirectional zero-leakage shutoff in highly corrosive and aggressive fluid applications. Featuring a robust stainless steel body and a complete Teflon (PTFE) lining, it provides ultimate chemical isolation. The ergonomic manual lever handle ensures smooth, precise operation and reliable flow control for chemical processing, water treatment, and industrial piping systems.

Technical Specifications

• Valve Type: Fully PTFE Lined Flanged Butterfly Valve

• Actuation Type: Manual Lever Handle with Positioning Plate

• Body Material: Stainless Steel 304 / 316 / 316L

• Disc Material: Stainless Steel fully encapsulated with PTFE

• Seat/Lining Material: Pure PTFE (Teflon) for maximum corrosion resistance

• Connection Standard: Flanged (Compatible with ASME B16.5, EN1092, JIS B2220)

• Pressure Rating: Class 150 / PN10 / PN16

• Size Range: Available from DN40 to DN300 (1.5 inch to 12 inch)

• Applicable Media: Strong acids, alkalis, corrosive chemicals, and high-purity water

• Temperature Range: Standard working temperature up to 180 degrees Celsius

• Tightness Class: Zero leakage, bubble-tight shutoff

• Face-to-Face Standard: API 609 / ISO 5752 / EN 558

• Top Flange Drilling: ISO 5211 standard for easy automation upgrade

• Stem Design: Anti-blowout stem design for operational safety

• Shaft Sealing: Multi-layer V-ring PTFE packing system

• Flow Characteristic: Equal percentage / Linear

• Body Design: Split-body design for convenient maintenance and lining replacement

• Testing and Inspection: Factory hydrostatically and pneumatically tested per API 598

• Coating/Finish: Polished natural stainless steel finish for excellent external corrosion resistance

• Operation Range: 0 to 90-degree rotation for full open/close positioning