MK4 Regulator | 6.5bar PRV & 100psi Gauge | Type 30

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The MK4 Dual Gauge gas regulator (Type 30 for CO2 / Post Mix Gas) has a large body and precision diaphragm.  The MK4 regulator provides high flow rates and highly accurate adjustments in both psi and kpa.  Note the regulator is sold with the Green 65PSI(4.5BAR) pressure relief valve. 

This Regulator is Type 30 suitable for Carbon Dioxide and also Carbon Dioxide+Nitrogen mixed gasses. But can be used for a wide range of gasses, however, for other gas types a different Nut and Stem Is required.  


  • Duotight 8mm x FFL included as standard - Duotight KL06880
  • Strong Steel Gauges made from thick steel
  • Triple scale gauges in kPa, Bar and PSI
  • 65psi Green PRV
  • M6 Mounting Holes for easy Mounting