Air Vent Valve.

1) Nominal Diameter: DN15-DN50(1/2"-2")
2) Rated Working Pressure: 1.6MPa / 16bar / 235psi
3) Testing Pressure: 2.4Mpa
4) Floating Ball Pressure: 2.4Mpa
5) Fluid Medium: Water
6) Applicable Temperature: 0~80℃
7) Material: Ductile Cast Iron Body and Bonnet, SUS304 Floating Ball and  Lever and Hanger, Brass Vent Hole Plug.
8) Thread: BSP