BUTTERFLY VALVE 6INCHES, 150, HIGH PERFORMANCE, WAFER, BI-DIRECTIONAL, ZERO LEAKAGE, OF THE FOLLOWING TYPES, (ZERO LEAKAGE), WITH THE FOLLOWING FEATURES: BODY: CARBON STEEL ASTM A216, FEATURES: BODY: CARBON STEEL ASTM A216 WCB DISC: STAINLESS STEEL, 316 SHAFT: 316 STAINLESS STEEL SEAT RETAINING RING: CARBON STEEL ASTM A216 WCB, SEAT RETAINING RING: CARBON STEEL ASTM A216 WCB SEAT: EPDM STEM PACKING :, PURE TFE STEM BUSHINGS : TFE BACKED WITH V, EXTRUSIONS: WAFER TO MOUNT BETWEEN FLANGES ACTUATION: MANUAL LEVER OPERATED, BRAND: CENTERLINE, FIG. 0623544352, USA.