Torlócsappantyús visszacsapó szelepek
Swing Check Valve, PN20, 6 Inch, API 598
CF8M Check Valve, API 6D, 1500LB, 16 Inch
BS 1868 WCB Check Valve, RF, DN350, PN50
API 602 Check Valve, Flanged RF, 1 Inch, 150#
Socket Welded Check Valve, A105N, 800#, 1-1/2 Inch
