DIN PN16 Bronze Internal Screw Swing Check valve

Internal screw swing check valves refer to opening and closing parts by the flow of media and force to open or close, in order to prevent the media backflow of the valve.

Check valve: check valve also known as check valve or check valve, its role is to prevent the media in the pipeline backflow.The bottom valve of water pump is also a check valve.

Open and close parts rely on the flow of media and force to open or close, in order to prevent the backflow of media valves called check valves.Check valves belong to automatic valves, mainly used for one-way flow of media on the pipeline, only allow the media to flow in one direction, in order to prevent accidents.

Check valve according to the structure, can be divided into lifting type check valve, swing check valve and butterfly check valve three kinds.Lifting type check valve can be divided into vertical and horizontal two kinds.Swing check valve is divided into single - disc, double - disc and multi - disc type of three.Butterfly check valve for straight through, the above several check valves in the form of connection can be divided into thread connection, flange connection and welding three kinds.

Features:

1. Thread can be produced according to BSPT, BSP, NPT, DIN259/2999

2, silica sol precision casting stainless steel body, bonnet, disc

3, suitable for water, oil, gas and some corrosive fluid medium

4. Rated working pressure at normal temperature: 200PSI (1.4mpa)