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S U D E

Pneumatic Cylinder Operated Sluice / Gate Valve

Pneumatic Cylinder Operated Sluice / Gate Valve – 9660 Series

Pneumatic Cylinder Operated Sluice / Gate Valves are designed for reliable isolation and automated flow control in water, steam, and utility pipelines where fast response and dependable shut-off are required. Operating on the proven wedge gate principle, these valves provide full-bore flow with minimal pressure loss and excellent sealing performance.
The valve is actuated by a double-acting pneumatic cylinder, delivering smooth and controlled linear motion to open or close the gate. Pneumatic operation makes the valve ideal for industrial, municipal, and utility applications, especially where compressed air is readily available and electric actuation is not preferred.
With robust construction, precision-machined internal components, and corrosion-resistant coatings, pneumatic cylinder operated sluice valves offer long service life, safe operation, and easy integration with automation systems.


Technical Specifications

Parameter
Specification
Series
9660 Series
Valve Type
Pneumatic Cylinder Operated Sluice / Gate Valve
Size Range
DN 50 to DN 450
Pressure Rating for DN 350 to DN 450
PN 0.6
Pressure Rating for DN 50 to DN 300
PN 1.0
Pressure Rating for DN 50 to DN 250
PN 1.6
Operating Temperature
Up to 80°C (higher on request)
Actuator Type
Double / Single Acting Pneumatic Cylinder
Cylinder Size Range
65 mm to 350 mm
Air Supply Pressure
Up to 8 bar
Control Signal Pressure
3–15 psig (0.2–1.0 kg/cm²)
Air Consumption
Approx. 1 SCFM (1.76 Nm³/hr) at 80 psig
End Connections
Flanged
Manual Override
Available

Design & Construction:

Precision-machined wedge gate with pneumatic cylinder actuation ensures smooth linear motion, durable sealing, and automation-ready performance.

Working Principle:

Working Principle
Compressed air moves piston linearly
Gate lifts or lowers via spindle
Open Position
Unobstructed full-bore flow
Closed Position
Tight sealing against body seats
Directional valves regulate smooth motion.

Automation & Control Options:

  • Double-acting pneumatic cylinder
  • Solenoid valve operated control
  • Manual hand operation (override)
  • Compatible with electro-pneumatic automation system

Key Features & Advantages

  • Full bore design with minimal head loss
  • Leak-tight shut-off performance
  • Fast and smooth pneumatic actuation
  • Double-acting cylinder for controlled operation
  • Manual override for emergency use
  • Durable construction for continuous service

Optional Accessories:

  • Solenoid valves (5/2 way)
  • Air Filter Regulator (AFR)
  • Limit switches
  • Electro-pneumatic positioner
  • Position indicator
  • Bypass arrangement
  • Locking arrangement
  • Extension shafting & headstock
  • Spur / bevel / worm gear
  • Drain plug, chain & chain wheel arrangement

Typical Applications:

Municipal pipelines, utility isolation systems, compressed air-controlled infrastructure valves, and automated water handling networks.

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