Válvula de mariposa neumática FAT-D-CEF de acero inoxidable con bridas de PTFE
Válvula de mariposa neumática FAT-D-CEF de acero inoxidable con bridas de PTFE
The Pneumatic Stainless Steel Flanged PTFE Butterfly Valve has a Teflon-lined stainless body for corrosion resistance, ensuring tight sealing and long service life, helping users reduce maintenance and downtime, proven by API 609 / EN 12266-1 tests and CE, ISO 9001 certifications.
| Gama de tallas | DN50–DN600 (2″–24″) |
| Rango de presión de trabajo: | PN10 / PN16 (150 PSI) |
| Rango de temperatura de funcionamiento: | -20°C to +180°C |
| Material del cuerpo: | Stainless Steel (CF8 / CF8M) |
| Tipo de conexión: | Flanged (ANSI 150 / DIN PN16 / JIS 10K) |
| Medio aplicable: | Corrosive liquids, acids, alkalis, solvents, deionized water |
| Tipo de actuador: | Pneumatic Double-Acting or Spring-Return |
| Opciones de voltaje | 24V DC / 110V AC / 220V AC |
| Norma de diseño | API 609 / ISO 5211 / MSS SP-67 |
| Norma de ensayo | API 598 / EN 12266-1 |
| Diseño a prueba de incendios | Optional per API 607 |
| Certificación | CE / RoHS / ISO 9001 / IP65 (Actuator) |
| Personalización | Las siguientes son muestras de parámetros estándar. Si tienes parámetros y materiales específicos, podemos personalizarlos todos. |
| Series | AT | AW | Linear | Pneumatic Cylinder | Sanitario |
|---|---|---|---|---|---|
| Cuerpo de válvulas | Ball valve, butterfly valve, plug valve | Gate valve, Global valve | Knife gate valve | Sanitary butterfly valve | |
| Función | Double Acting, Single Acting (Failure Resetting FO or FC) | ||||
| Accesorios de control |
• Solenoid Valve, Filter Regulator Lubricator (F.R.L.), Positioner, Limit Switch, Handwheel • Solenoid Valve & Positioner are with Explosion-proof grade and Signal Feedback type for choice | ||||
| Operating Medium |
Clean and dry or lubricated air or inert gas. Any non-corrosive gas that is compatible with the internal parts of the actuator and the lubricant. The dew point temperature of the operating medium is -20°C, and the size of impurity particles is no more than 30u. When selecting a positioner, the impurity particle size should be no more than 5u. | ||||
| Air Source Pressure | 3bar to 8bar | ||||
| Operating Environment Temperature |
• Standard type: -20°C to +80°C • Low-temperature type: -40°C to +80°C • High-temperature type: -20°C to +160°C | ||||
| Lubrication |
Under normal operating conditions, the standard type does not require additional lubricant. For low-temperature or high-temperature environments, special lubricants are required. | ||||
Calidad certificada para aplicaciones de válvulas industriales
Las válvulas y los actuadores eléctricos de Fleyenda están diseñados para ofrecer un rendimiento estable, un funcionamiento confiable y un uso industrial a largo plazo. Con un respaldo de calidad certificada, son adecuados para el tratamiento de agua, el procesamiento químico, la automatización y los sistemas de control de procesos industriales.
Preguntas frecuentes que interesan a los usuarios del 80%
1. What makes a Pneumatic Stainless Steel Flanged PTFE Butterfly Valve ideal for corrosive chemical applications?
• The PTFE-lined pneumatic valve provides a strong barrier against acids and alkalis, preventing corrosion.
• The stainless-steel air-operated butterfly valve maintains strength under pressure and temperature changes.
• Its Teflon-coated disc ensures tight shutoff with minimal wear.
• The automated PTFE control valve delivers reliability in chemical, solvent, and water systems.
2. How should I install a PTFE-lined stainless pneumatic butterfly valve to ensure smooth operation?
• Align flanged connections precisely to prevent sealing distortion.
• Keep the valve disc and PTFE liner clean to avoid damage.
• Match pneumatic actuator torque with valve requirements for stable control.
• Use stainless bolts and compatible gaskets for long-term sealing.
3. How can I extend the service life of a pneumatic Teflon-lined butterfly valve in industrial systems?
• Supply clean, dry compressed air to the actuator.
• Inspect the PTFE seat regularly and replace when worn.
• Keep operation within rated pressure and temperature limits.
• Use expansion joints to protect the PTFE-lined structure from stress.
4. In which industries is a pneumatic flanged PTFE butterfly valve most commonly used?
• The Teflon-lined actuator valve suits chemical and pharmaceutical plants.
• Ideal for water treatment and acid neutralization systems.
• The air-operated stainless valve fits food and biotech applications.
• Effective for solvent handling and gas scrubbing processes.







