Sms Tork RA40 DA Double Acting Pneumatic Actuator – 9 mm – ISO 5211 | RA040 DA 9 mm

The Sms Tork RA40 DA Series Double-Acting Pneumatic Actuator is a compact, high-performance pneumatic actuator designed for on-off or proportional control of ball valves, butterfly valves, and dampers. Its 9 mm size provides a reliable and stable solution for small and medium-sized valve automation applications.

The anodized aluminum extrusion body provides high resistance to corrosion, while the aluminum injection cover and piston structure offer both lightness and mechanical strength. Valve connections conforming to ISO 5211 standards and accessory mounting surfaces compliant with NAMUR standards ensure quick and seamless integration.

Key Features

• Stock Code: RA040 DA 9 mm
• Series: RA40 DA
• Type: Double-acting pneumatic actuator
• Size: 9 mm
• Supply Pressure: 4 – 8 bar
• Output Torque: 9 Nm – 5162 Nm (6 bar)
• Body: Aluminum extrusion, anodized coating.
• Head & Pistons: Aluminum injection
• Operating Temperature: -10 °C ~ +80 °C

Connectivity and Standards

• Valve Connection: ISO 5211 – F03 / F04 / F05
• Limit Switch Connection: NAMUR – VDI/VDE 3845
• Positioner Connection: NAMUR – VDI/VDE 3846
• Directional Valve Connection: NAMUR – VDI/VDE 3847
• Stroke Adjustment: Bi-directional adjustable via actuator (+/- 5)

Accessory Options

• Switch box (limit switch box)
• Positioner
• Manual override

Areas of Application

• Global valve automation
• Butterfly valve automation
• Damper control systems
• Industrial automation lines
• Process and fluid control systems
• Medical applications (mask production, ventilators, etc.)

Why choose the SMS Torque RA40 DA Pneumatic Actuator?

• Compact design and high mechanical strength.
• Easy assembly according to ISO 5211 and NAMUR standards.
• Fast and controlled movement thanks to its double-acting structure.
• Wide accessory compatibility.
• Durable structure suitable for industrial conditions.