DIN Non-Return Valve

DIN Check valve are used in various industries such aspetroleum, water, steam industry etc under nominal pressure ofPN1.6~PN4.0Mpa and working temperature of -20~450 degrees.

Check valve can stop fluid from backflow. The disc opens by thepressure of the fluid and the fluid flows from access to exit. Whenthe accessis lower than the exit, by pressure differential andgravit, disc will shut automatically to stop the backflow.

Vertical check valve and globe valve has similar structures. Thedisc does vertical movements around the certerline. Its movement isreliable. Check valve usually applys to horizontal piplineonly.

Features:
1. This product has logical structure, reliable seal, excellentperformance and nice design.
2. The stem srface is build-upwelding with Co hard alloy, which isattrition-resistant, corrosion resistant has god friction resistantand long life.
3. The part material, flange and butt weld and dimension may beselected accordng to current operating condition and users'requirement, so that meeting the requrements of variousengineering.