To be installed at pipelines that carry nitrogen-hydrogen-ammonia mixtures to prevent backflow of medium.

When fluid flow coincides with the direction of the arrow, it compresses spring and moves disc to allow fluid to pass through. When fluid is supplied no longer, spring locks disc and prevents back-flow of fluid.

Working medium temperature: up to +200^оС

Pressures: up to 320 bar. Size: 32 mm.

Body material - chromium alloyed steel (AISI 5030).

Valve can be employed with other fluids that are neutral to body material.

Flanged joint.

To be employed in regions with temperate and tropical climate in the open air.

Table  1

Charts of variants
Check Valve PN 32

      

Features and advantages:

• The seal of seat with disc (both made of metal) is tapered by grinding.
• Operating position is the vertical one, with inlet flange set downwards. Horizontal position is permitted too.