6" MP Cast Iron Check Valve Flanged PN16. VS 5106This 6" MP Cast Iron Check Valve Flanged PN16 is designed to ensure reliable and efficient water flow control at high pressures. The flange connection provides a secure seal to withstand a maximum pressure of 16 bar. The valve's superior material and construction ensure a long lasting product. Flanged PN16 EN GJL 250 Body Cast Brass Seat Cast Brass Disc 2" to 4" Cast Iron Disc 5"to 12" EN 558 1 Face to Face. Rated PN16, Temperature 10C to 150C.