Standard: Q/TF-B27P.01

Nominal pressure: PN1.0-1.6Mpa

Nominal diameter: DN50 -300mm

Suitable temperature: ≤ 80 ℃

Materials: cast iron 、 ductile iron

Leakage rate: GB/T13927 Class A

Equipped with one big orifice and one small orifice. The big one can release and/or suction air in large amount, small one can release air during water supplying. Matching pipe size is DN400 -1600mm .