Dear Sir/Madam, Standard or Nonstandard:Standard Structure:Float ball Pressure:Low Pressure Power:Automatic release Material:Casting Temperature of Media:Low Temperature Media:Water Port Size:DN15-DN25 Application:General Product name:Micro air release valve Body material:Cast iron,carbon steel,stainless steel Connection:Female Thread Standard:MFR Medium:Water Size:DN15-DN25 Pressure:1.6Mpa Show More