Site Information

 Loading... Please wait...
Products Brands

Amtrol: Air and Dirt Separators

Amtrol ASME Air and Dirt Separators are designed to eliminate entrained air and remove dirt particles in closed loop, heating and chilled water systems. A patent-pending filter, consisting of five concentric stainless steel mesh screens, removes particles as small as 5 microns. All models feature a top connection for an air vent and a bottom connection for a blow-down valve.

Amtrol: Air and Dirt Separators Features

  • Patent-Pending Filter Separates Dirt and Debris as Small as 5 Microns to Reduce System Wear.
  • Available in 2" through 12" Sizes.
  • Max. Working Pressures Offered: 125 and 150 PSIG.
  • Max. Operating Temperature: 450° F.
  • 1-Year Limited Warranty.

Amtrol: Air and Dirt Separators Specifications

  • Shell: ASME Approved Steel
  • Flanges: ASME 150 lb.
  • Filter: Patent Pending – Stainless Steel
  • Finish: Red Oxide Primer


  • Max. Operating Temperature: 450º F (232° C)
  • Max. Working Pressure: 125 PSIG (8.6 bar) and 150 PSIG (10.3 bar)
  • Warranty: 1-Year Limited


  • For use in closed heating and chilled water systems.
  • Eliminates entrained air to enhance pump performance.
  • Patent pending filter removes harmful debris from system.
  • Meets all ASME Section VIII, Division 1 code standards.

Amtrol: Air and Dirt Separators Manual and Submittals:

Air & Dirt Separator - 125 PSIG Submittal pdf

Installation & Operation Instructions

Typical Specifications