Nozzle check valve
Nozzle check valve is mainly composed of valve body, valve seat, valve disc, guide body (diffuser), spring and other main parts. The valve is mainly suitable for water supply and drainage, fire protection, heating and ventilation, metallurgy, petrochemical and other systems. It is installed at the outlet of water pump or in other pipelines with check requirements, so as to prevent damage to pump and pipeline system caused by backflow of medium.
Axial flow structure;
Light weight disc, spring assisted closure;
The flow resistance coefficient is small due to the streamline flow channel design;
Fast opening and closing, good mute effect;
Short body structure, small installation space.
Manufacturing standard: GB / Tt21387
Connection flange standard: GB / T17241.6
Performance standard: GB /T21387
Nominal diameter: DN50 ~ DN 1000 (2 "~ 40")
Nominal pressure: PN10 / 16 / 25
Working temperature: 0 ° C ~ 85 ° C
Applicable medium: water