Twin Piston Pneumatic Actuator Three-Stage Design 4-8 Bar Pressure 18-330 Nm Torque

Price Negotiable
Price: FOB Shanghai
MOQ: 1 Ea
Delivery Time: One week
Brand: Veson/OEM
Product Description
Three-Stage Pneumatic Actuator Overview

This twin piston pneumatic actuator features a unique three-stage design with intermediate positions (0°, 45°, 90° or 0°, 90°, 180°) achieved through mechanical movement of two auxiliary pistons. The middle position is precisely adjustable and reproducible, making it ideal for multiple-way valves and pig valves.

Key Features & Benefits
  • ISO 5211 mounting pattern for universal compatibility
  • Adjustable stops for both open and closed positions
  • Safety-contained springs prevent inadvertent ejection during maintenance
  • High safety performance with low start pressure and stable operation
  • Energy-efficient design with recyclable materials
  • Spring-centered central position for safety functionality
Technical Specifications
Application Ball Valve, Butterfly Valve, Plug Valve, Dampers on-off control, filling systems
Available Sizes VS-052DA-3P, VS-063DA-3P, VS-075DA-3P
Supply Pressure Air 4 - 8 bar
Output Torque Value 18 Nm to 330 Nm
Body Material Extruded Aluminium
Caps and Pistons Die-cast Aluminium
Operating Temperature -20°C to 80°C
Valve Connection ISO 5211 / DIN3337 standard
Limit Switch Connection Namur standard, VDI/VDE3845
Positioner Connection Namur standard, VDI/VDE3845
Solenoid Valve Connection Namur standard, VDI/VDE3845
Applications & Industries

Widely used in automatic devices across multiple industries including light industry, chemical industry, textile, electronics, machinery, and more. Suitable for single-acting and double-acting versions with pivoting angles of 90°+90° (180°) or 120°+120° (240°).

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Veson Valve Ltd.
Contact Person Judy.Zhao

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