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FAT-Q-3PS Pneumatic 3-Piece Ball Valve

FAT-Q-3PS Pneumatic 3-Piece Ball Valve

The Pneumatic 3-Piece Ball Valve uses a stainless-steel three-body design for zero leakage and easy in-line maintenance, ensuring reliable flow control, reduced downtime, and lower costs, proven by ISO 5211 mounting, API 598 pressure tests, and API 607 fire-safe certification under 6.4 MPa and 250 °C conditions.

Size Range 1/2” – 4” (DN15 – DN100)
Working Pressure Range: 1.6 MPa – 6.4 MPa (PN16 – PN64) / Class 150–300
Working Temperature Range: −20°C to +180°C (PTFE Seat), up to +250°C (RPTFE/PPL Seat)
Body Material: Stainless Steel CF8 / CF8M (AISI 304 / 316)
Connection Type: Threaded (BSP/NPT), Socket Weld, Butt Weld, Flanged (ANSI/DIN)
Applicable Medium: Air, Water, Steam, Oil, Gas, Weak Acid & Alkali
Actuator Type: Double Acting or Spring Return Pneumatic Actuator
Voltage Options 24V DC, 110V AC, 220V AC (via Solenoid Control)
Design Standard ASME B16.34 / ISO 5211 / DIN 3357
Testing Standard API 598 / EN 12266-1
Fire-Safe Design API 607 / ISO 10497 (Optional)
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.
Actuator Model Standard Time/Torque Optional Time/Torque Rotation Angle Range Actuator Weight Power Supply Optional Control Circuit
FLE-105 25S/50Nm 4S/20Nm
10S/30Nm
0-90° Adjustable 2.2kg DC24V
AC24V
AC110V
AC220V
AC380V
A type
B type
C type
D type
E type
F type
FLE-110 25S/100Nm 15S/50Nm 5.1kg
FLE-116 25S/160Nm 15S/80Nm 5.1kg
FLE-120 25S/200Nm 15S/100Nm 7.5kg
FLE-140 25S/400Nm 15S/200Nm 7.5kg
FLE-160 25S/600Nm 15S/300Nm 8.1kg
FLE-1100 50S/1000Nm 25S/500Nm 12.7kg
FLE-1200 50S/2000Nm 25S/1000Nm 12.7kg
Type ON/OFF, Regulating, Intelligent
Insulation Resistance 100MΩ/500VDC
Dielectric Strength 1500V AC 1min.
Level of Protection IP67 (IP68 optional)
Installed Location 360° Installation at any Angle
Electrical Interface 2-G1/2 Metal Fitting, the corresponding metal cable joints should be installed according to the selected cables
Ambient temperature -20°C to +60°C
Optional Explosion Proof Ex d II BT4 / CT4 / CT6 Gb
Power-loss reset (fail-safe) function Fail-open, Fail-closed or No-reset (factory-selectable)
Optional functions Overtorque protection, dehumidification heater, passive contact switch, operating handwheel
Quality Assurance

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

• Standard air supply ranges from 5.5–8.3 bar to ensure full actuation.
• Lower pressure causes slow response or incomplete closure.
• Check actuator torque curve when sizing for high-cycle operation.
• Use clean, regulated air with moisture and oil filters to extend service life.

• The three-body design allows in-line service without removing end-caps.
• Align ISO 5211 mounting pad for accurate actuator installation.
• Keep valve cavity clean of weld slag and debris before startup.
• Cycle the actuator after installation to confirm smooth operation.

• Handles water, oil, gas, steam, and mild chemicals.
• For corrosive or high-temperature fluids, use upgraded seats and trims.
• Sanitary and vacuum versions are available for food or biotech systems.
• Rated up to 1000 psi and −20 °C to +200 °C depending on configuration.

• Enables remote, fast, and repeatable operation with minimal labor.
• In-line maintenance reduces downtime and replacement costs.
• Full-bore design minimizes pressure loss and saves energy.
• High-cycle durability lowers total cost of ownership.

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