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Direct gas valve actuators

Overview

DG-Series direct gas valve actuators are a simpler and more cost effective solution than gas-over-oil (gas/hydraulic) valve actuators. Rather than use the process gas to pressurise hydraulic fluid to provide the energy to operate the actuator, the process gas acts directly upon the valve actuator’s piston. To ensure long and reliable operation, Paladon Systems ensures that, whatever the quality of the process gas, it is sufficiently filtered and conditioned before entering the control system and valve actuator. Numerous additional control system options are available; including linebreak detection (rate-of-drop and high/low) and remote control.


Applications

Automation of rotary and linear valves in gas transmission lines.


Operating Ranges

  • Supply Pressures

    • 13 to 250 Barg (90 to 3625 psig)

  • Torque & Thrust Outputs

    • DG Series: 200 to 500,000 Nm (1,770 to 4,425,000 lbs.in.)

    • DGL Series: Thrust Output: Up to 222,000N (50,000 lbs)


Key Features & Benefits

  • Third party approved for use in SIL 3 certified systems

  • Scotch-yoke and linear piston actuator configurations

  • Double-acting and spring-return configurations
  • Low or high pressure control system packages available
  • Full enclosed manifold controls with lockable cover
  • Hydraulic manual override standard
  • Local operation using power gas standard
  • Speed control in both directions standard
  • Actuators certified to IP66M
  • Actuators certified in accordance with PED 93/27/EC

  • Additional Resources

 
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Valve Actuators Control Systems Other Solutions
Quarter-Turn - Linear - Gas-Over-Oil - Direct Gas - Subsea - Electric Self-Contained Electric-Hydraulic - Positioning - HPUs - Turbine Bypass - HIPPS - ASV PST Controller - TVC Positioner - Gas Odourisers - Pipeline Strainers

England
Paladon Systems Ltd

England

Tel: +44 (0)1604 880700
Fax: +44 (0)1604 882424
info@paladonsystems.com

Scotland
Paladon Systems Ltd

Scotland

Tel: +44 (0)1224 772442
Fax: +44 (0)604 882424
info.scotland@paladonsystems.com

Italy
Paladon Italia Srl

Italy

Tel: +39 0383 878524
Fax: + 39 0383 878042
info.italia@paladonsystems.com

Malaysia
Paladon Systems Sdn Bhd

Malaysia

Tel: +603 5614 3211
Fax: +603 5614 4511
info.asiapacific@paladonsystems.com

Russian Federation
Paladon SDT

Russian Federation

Tel: +7 495 735 28 07 (08) (09)
Fax: +7 495 735 28 07 (08) (09)
info.russianfederation@paladonsystems.com
United States
Paladon Americas

United States

Tel: +1 855 725 2366
Fax: +1 832 310 2370
info@paladonamericas.com


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