FAT-D-SFW Pneumatic Stainless Steel Wafer PTFE Butterfly Valve
FAT-D-SFW Pneumatic Stainless Steel Wafer PTFE Butterfly Valve
The Pneumatic Stainless Steel Wafer PTFE Butterfly Valve features a stainless-steel body and PTFE-lined seat for strong corrosion resistance, providing tight sealing and reliable pneumatic control in chemical and marine systems, proven by ISO 5211 and API 598 test standards.
| Size Range | DN50–DN300 (2″–12″) |
| Working Pressure Range: | PN10 / PN16 (150 PSI) |
| Working Temperature Range: | -20°C to +180°C |
| Body Material: | CF8 / CF8M (Stainless Steel 304 / 316) |
| Connection Type: | Wafer Type |
| Applicable Medium: | Corrosive fluids, acids, alkalis, solvents, seawater |
| Actuator Type: | Pneumatic actuator (Double Acting / Spring Return) |
| Voltage Options | 24V DC, 110V AC, 220V AC |
| Design Standard | ISO 5211, MSS SP-67 |
| Testing Standard | API 598, EN 12266-1 |
| Fire-Safe Design | Optional per API 607 |
| Certification | CE / RoHS / ISO 9001 / IP65 (Actuator) |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
| Series | AT | AW | Linear | Pneumatic Cylinder | Sanitario |
|---|---|---|---|---|---|
| Valve Body | Ball valve, butterfly valve, plug valve | Gate valve, Global valve | Knife gate valve | Sanitary butterfly valve | |
| Function | 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. | ||||
Certified Quality for Industrial Valve Applications
Fleyenda valves and electric actuators are built for stable performance, reliable operation, and long-term industrial use. With certified quality support, they are suitable for water treatment, chemical processing, automation, and industrial process control systems.
FAQs That 80% Users Interest
1. What options are available for controlling a high-performance pneumatic wafer butterfly valve in automated systems?
• Pneumatic stainless steel butterfly valve supports double-acting and spring-return actuators for fast and precise automation.
• Wafer body design fits easily between flanges for quick retrofit in automated pipelines.
• ISO 5211 mounting allows seamless integration with smart control systems.
• Voltage options 24 V DC, 110 V AC, 220 V AC suit diverse automation setups.
2. How does the PTFE-lined wafer design deliver long-term reliability for chemical-processing applications?
• PTFE-lined wafer butterfly valve resists acids, alkalis, and solvents for corrosion-free operation.
• Stainless steel valve body provides strength and durability under harsh conditions.
• Wafer configuration minimizes leakage and ensures stable flow control.
• Low-friction PTFE seat reduces torque demand and extends actuator life.
3. What should be considered when installing a wafer-type butterfly valve in a corrosive environment?
• Verify flange dimensions and bolt patterns for proper alignment and sealing.
• Ensure adequate air pressure and actuator sizing for the industrial wafer butterfly valve.
• Check PTFE seal seating during installation to prevent early leakage.
• Choose modular construction to replace discs and seats without removing the pipeline.
4. Can a PTFE-lined butterfly valve be used in fire-safe or high-temperature applications?
• Standard PTFE-lined butterfly valve handles temperatures up to 180 °C with consistent sealing.
• Fire-safe variants use reinforced seats or metal carriers for thermal protection.
• Actuator and mounting interface must match ambient temperature limits.
• Certified designs meet API 607 and ensure safe performance under heat exposure.