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D53 Series

Our Series D53 Gas Pressure Regulator stand out with their double-stage pilot pressure loading system, guaranteeing superior performance. Quick response from the actuator diaphragm ensures fast adjustments to outlet pressure, while the pilot mechanism further enhances precision for maintaining pressure control.

Certifications:
Compliant with PED 2014/68/EU (Pressure Equipment Directive) with CE marking (CE-0062-PED-B3.1-NIC 001-18-IND).
Certified under EN 334, a European standard for pressure regulators (CE-PED-B-NIC 001-09-IND).

  • Tight Shut-Off Capability:
    Our regulators boast a special trim design, ensuring excellent shut-off capability over their long working life. Safety and reliability are enhanced, providing peace of mind.
  • Active Monitor Configuration Suitability:
    Perfect for active-monitor setups, our regulators effectively control and monitor pressure continuously, making them ideal for applications requiring constant adjustment.
  • Double Stage Pilot Control:
    Handle high inlet pressure variations without compromising outlet pressure accuracy. Enjoy consistent and precise pressure control, even in demanding conditions.
  • Easy to Maintain:
    With a sturdy and compact design and few moving parts, maintenance is a breeze. Replace actuator internals, valve disc, and trim parts without removing the regulator from the pipeline, saving time and effort.
  • Local Position Indicator:
    A built-in position indicator offers visual feedback on regulator status and operation. Optionally, mount a position transmitter for remote position feedback.
  • Built-in Slam Shut Off Option:
    >Our Series D53 regulators come with an optional Slam Shut Off (SSV) feature, enhancing safety with automatic flow shutdown during abnormal pressure conditions. Add local position indicators and limit switches for remote feedback and control.
  • 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.
  • Natural Gas Systems: Suitable for natural gas distribution networks, ensuring consistent pressure levels for safe and efficient gas supply.
  • Fuel Gas Supply to Industrial Boilers: Crucial for maintaining proper fuel gas pressure supplied to industrial boilers, ensuring efficient combustion and reliable operation.
  • Furnaces and Mixers: Utilized in furnaces and mixers to regulate fuel gas or other gases, maintaining optimal conditions for heating or mixing processes.
  • Steel Mills: Used to control gas pressure in various processes, including heating furnaces, annealing, and production stages in steel mills.
  • Asphalt Plants: Employed to regulate gas pressure in asphalt plants, ensuring optimal pressure for efficient asphalt production.
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