forged or casted check- valve

* ND 8 (1/4") to ND 25 (1").
* ISO NP 20 to 420 (Class 150 # to 2500 #).
* Carbon steel, stainless steel, duplex, super-duplex.
* Closing by gravity, horizontal installation.
* Screwed bonnet.
* Industry.
* Cool-hammered stainless steel guided ball.
* Options :
o spring closing.