Welded steel swing check valves are manufactured with nominal diameter Dn150 – Dn1500 and nominal pressure Pn0,1 – Pn6,3 MPa.

Identification mark according to the pipeline valves manufacturing tables-figures:
19с16нж, 19нж16нж, 19с47нж, 19нж47нж, 19с49нж, 19с70нж, 19с38нж, 19с20р etc.

Swing check valves are intended for use as the devices, which prevent working medium flow in pipelines, which transport liquids, steam, gas.

Swing check valves operate automatically. When the medium is passing in the forward direction, the disc (plug) is turning on the eccentric axis, opening the passage, and is going down during the reverse medium flow by its own weight (of the spring or load) and by reverse medium flow influence.

Swing check valves main parts can be manufactured from different materials (carbon and stainless steel etc) and are to be defined according to the Customer’s technical task.