Regulators – Pilot Operated Pressure Regulator – E Main Series


The E-Main Regulator is the standard for district heating applications throughout the United States. It is a simple, efficient, and reliable solution for all of your HVAC steam, water and air pressure needs, capable of providing ANSI Class IV shutoff. It can accommodate many flow requirements with its varying disc/plug types as well as provide a solution for not only pressure reduction, but backpressure, differential pressure, temperature regulation, as well as many other HVAC needs.


  • Linear and Parabolic disc design
  • Both composition and metal disc types for better shutoff conditions
  • Steam regulation outside of steam path for increased reliability and safety
  • Adaptable design to accommodate all steam, water, and air regulation needs.

If you would like additional information, please click on any literature link below or Contact Us directly so that we may provide you with detailed specifications.




Iron Horse ED Series Pressure Regulator
PDF Size: 1.2MB
Type E Main Valve
PDF Size: 168KB