Combustion 911 Header Background
  SubTotal:      View Cart View Combustion 911 Shopping Cart
Combustion 911 Header Background

Gas/Air Ratio Regulator RAG

  • Currently available in ¾",1”, ", and 2" NPT
  • Equipped with an adjustable bypass
  • 7.25 PSI max. inlet pressure (500 mbar)
  • 48” w.c. max. air control pressure (120 mbar)
  • A metallic mesh filter protects the regulator seat from dirt and debris (filtration grade <1mm)
  • Impulse line integrated inside regulator
  • Designed to generate low pressure drop and high flow
  • Suitable for use with non-aggressive gases. Special versions for aggressive gases (Biogas).
  • Features pressure test points in the gas inlet, gas outlet, and air control chamber for connecting manometers, pressure switches, etc.
  • Regulators are 100% tested and fully warranted
Gas/Air Ratio Regulator RAG

Learn More:
Description   Documentation   Ordering Information   Accessories

Ordering Information

Model and Description Model Connection Pe Max Stock Price Cart
Size 2N; ¾" NPT connections; 7.25 PSI max.
RAG2N ¾″ NPT 7.25 PSI
Size 3N; 1" NPT connections; 7.25 PSI max.
RAG3N 1″ NPT 7.25 PSI
Size 4N; 1½" NPT connections; 7.25 PSI max.
RAG4N 1½″ NPT 7.25 PSI
Size 6N; 2" NPT connections; 7.25 PSI max.
RAG6N 2″ NPT 7.25 PSI


The Elektrogas ratio regulator RAG is used to maintain a constant air-gas ratio upstream of gas burners. It is equipped with an adjustable bypass and when used with accessory VZ acts as a zero governor.


Model and Description Stock Price Cart
Rebuild kit for RAG sizes ¾" and 1"
Rebuild kit for RAG sizes 1½" and 2"
Zero governer kit for RAG

Combustion 911

600 Mogadore Rd. Kent, OH 44240

Phone 330-678-3683


View Terms and Conditions

Privacy Policy

©2024 Olstrad Engineering All Rights Reserved

Visit Combustion 911 on LinkedInVisit Combustion 911 on FacebookVisit Combustion 911 on TwitterWatch Combustion 911 videos on YouTubeEmail Combustion 911Read Articles on the Combustion 911 Blog
Olstrad Engineering ESA Industrial Burners IHEA Member
Elektrogas Valves and Regulators

Need a quote? Have a Question?