... Certification: ISO, CE Butterfly Valves Wafer Type Two Shaft, Disc Without Pin ISO9001 certifiedCE approvalAWWA C504 passedFeature: 1. Design Complies with MSS SP-67 ... and API 6092. Size: 1.5" to 48", available with handles 1.5" to 12", manual gear operators 1.5 ... A351 CF8, CF8M, CF3, CF3M, Carbon Steel ASTM A216 WCB4. Disc: NBR ( Buan-N), EPDM, VITON, PTFE5. Shaft & Pin: SS410, SS416 ...