●Description: it is widely applied in pipeline system of discharge
and reservoir pipes, fireproof air conditioner, civicism, which can prevent
medium from flowing backward and water hammer damaging pump and other
equipments.
●Standards:
Design: GB.
Face to Face: GB12221.
Flange: GB/T 17241.6-1998.
●Materials: Ductile iron, cast iron
●Nominal sizes: DN80—600mm
●Pressure: PN10/16/25
●Corrosion protection: Inside and outside FBE.
●Suitable medium: Water, oil, steam.
●Package: wooden case with plastic layer, wooden pallets with
plastic layer, steel crates.
●Features:rational open degree and empty space of valve
can guarantee maximal circulation areas; the open/close stroke of disc is
shorter when medium flows backward which
can quickly automatically close to reach the effect of saving energy and eradicating
noisy; the inside and outside surface of valve body coats nontoxic epoxy resin,
anti-corrosive, safe and health.