Pilot Operated Self Actuated Pressure Regulators

At Flowlink Valves & Controls, our gas pressure regulators are equipped with a double-stage pilot pressure loading system for enhanced performance. The actuator diaphragm provides quick response and fast adjustments to outlet pressure, while the pilot mechanism ensures precise and consistent pressure control. Fully compliant with PED 2014/68/EU and certified under EN 334, these regulators meet stringent European standards for pressure equipment and are CE marked for safety and reliability, making them a trusted solution for critical gas control applications.

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Technical Specifications

  • Body Size & Connections:
    Available in flanged sizes from 1″ to 12″
  • End Connections:
    Flange connections conform to ANSI B16.5 standards, offered in Class 150#, 300#, and 600#. Custom sizes and ratings available on request.
  • Pressure Setting Adjustment:
    Flexibility in adjusting pressure setting throughout the spring range using the pilot’s adjusting screw..
  • Accuracy Class (AC):
    Achieves up to 1.0 accuracy class as per EN-334 standards, ensuring precise pressure control.
  • Lock-up Pressure Zone Class (SZ):
    Up to 2.5 lock-up pressure zone class, allowing a specific range between outlet pressure and spring range without affecting performance.
  • Maximum Inlet Pressure:
    Varies with flange rating. For Flanged ANSI B16.5 Class 150#, max inlet pressure is 20 Barg; for Class 300#, it’s 50 Barg, and for Class 600#, it’s 100 Barg.
  • Temperature Capabilities:
    Operating range from -20°C to 60°C. Extended temperature ranges available upon request.
  • Pressure Registration:
    External pressure registration with a 3/8″ NPTF connection, enabling accurate pressure measurement.

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