CI Swing Check Valve Class 125 Features & Benefits Design conforms to MSS SP-71.Face to face dimension conforms to ANSI B16.10.Flanged drilles conforms to ANSI B16.1 MODEL DESCRIPTION PN Trim CONNECTION SIZE (MM) STANDARD FLANGE DRILLED 331501 TYNE CI Swing Check Valve Class 125 CLASS 125 / Flanged 65-600 MSS SP-71 ASME/ANSI Class125/150 331501-TYNE CI SWING CHECK VALVE CLASS 150 1.2M GET A QUOTE CI GATE VALVE CLASS 125 KNIFE GATE VALVE DI GATE VALVE RESILIENT SEATED DI GATE VALVE RESILIENT SEATED DI GATE VALE BRONZE SEATED DI GATE VALVE METAL SEATED