A2047 Series, High Flow Bypass Regulator

High Flow Bypass Regulator

Size of Return Orifice in Inches:


  • Fastest response rate
  • Provides stable fuel delivery for the most demanding requirements
  • All Weldon Regulators maintain steady fuel delivery during dramatic changes in fuel demand, such as WOT conditions, boost application and gear changes
  • Fully adjustable pressure settings
  • Teflon diaphragm with o-ring seal ensures leak free operation
  • -12 pressure and return ports
  • Capable of flowing well over 10 gpm
  • .438" bypass orifice
  • Same mounting pattern as our popular A2040 series regulator
  • Designed to work with electric and engine driven pumps
  • Compatible with all known racing fuels including nitromethane, ethanol, and methanol.
  • 1/8" NPT Gauge Port
  • 1/8" NPT manifold pressure reference port
  • Replaceable / interchangable internal components
  • User serviceable
  • For use with all Weldon Pumps as well as pumps from other manufacturers
  • Mil-Spec clear anodized cover

    Compatible Weldon Pump Components

  • 34712 12+ GPM Mechanical Fuel Pump
  • 34704 4+ GPM Mechanical Fuel Pump
  • 34706 6+ GPM Mechanical Fuel Pump
  • Fitting, -10ANM to -12 STM

    Performance Product Charts
    Dimensional Drawings
    A2047 at $318 USD

    (Prices subject to change without notice)