Pneumatic PTFE-lined butterfly valve, DN40-600 (1½”-24″). Full chemical isolation for strong acids and corrosives. On/off or modulating control. Zero corrosion, anti-stick surface. Ideal for chemical and pharmaceutical industries. Customizable.
| Attribute | Details |
|---|---|
| Nominal Diameter (Size) | DN40 – DN600 (1½” – 24″) (Custom sizes available upon request) |
| Nominal Pressure (PN) | PN6 / PN10 / PN16 (or ANSI Class 150LB) |
| Standard Body Materials | Cast Iron / Ductile Iron / Cast Steel (WCB) / Stainless Steel (with internal lining) |
| Lining Material | PTFE (Polytetrafluoroethylene) / FEP (Fluorinated Ethylene Propylene) / PFA (Perfluoroalkoxy) (Excellent chemical resistance) |
| Disc Materials | PTFE/FEP Lined Ductile Iron / Stainless Steel with PTFE Coating |
| Stem Materials | Stainless Steel 416 / Stainless Steel 17-4PH / Stainless Steel with Anti-corrosion treatment |
| Seat Materials (Sealing) | PTFE / FEP (Molded lining extends to flange face for full chemical isolation) |
| Actuator Type | Double Acting (Air to open, Air to close) Single Acting (Spring Return) —— Normally Closed (Air to open, Spring to close) —— Normally Open (Air to close, Spring to open) |
| Connection Type | Wafer Type / Lug Type / Flange Type (Complies with DIN, ANSI, GB/T 9119 standards) |
| Control Method | Pneumatic Control (Operated by compressed air for on/off or modulating service) |
| Available Accessories | Solenoid Valve / Limit Switch Box / Air Filter Regulator / Smart Valve Positioner / Manual Handwheel Override |
| Applicable Media | Strong Acids (H₂SO₄, HCl), Alkalis, Corrosive chemicals, High-purity fluids, Pharmaceuticals, Food processing |
| Working Temperature | PTFE/FEP Lined: -20°C to 150°C (-4°F to 302°F) (Higher temperature options available with PFA lining) |
