Range : 1″ to 30″ Pressure Class : PN-10 PN-16 150# End Connections : Flanged, Wafer, Lugged type Manufacturing Standards : BS – 5155 API – 609 AWWA C – 504 End flanges : As per ANSI BS DIN Testing Standard : API – 598 Disc : Center disc, offset disc Lining : Rubber lined [Neoprin Nitride Ebonite EPDM Natural Vitone Silicon – Teflon lined.]