The features of forged steel check valve

The features offorged steel check valve
Check valve is a mechanical device, a valve, that normally only allows fluid to flow through it in one direction. Check valves use a variety of technologies to allow and stem the flow of liquids and gases.
The features can be summarized as
(1)Full Port or Conventional Port;
(2)Outside Screw and Yoke (OS & Y);
(3)Two piece self-aligning packing gland;
(4)Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet;
(5) Integral backseat;
(6)Loose solid disc