Wafer and Lug Butterfly Valves Manu.std.:API609 Test and inspection:API598 End connection:Wafer Side flanged Std:ASME B16.1 125/150PSI Structure length:API609 Body:CI,DI,Carbon Steel,Stainless Steel Disc:CI,AI-bronze,Stainless steel,Carbon Steel Seat:EPDM NBR PTFE Control Actuator:Handles,gear,electric and pneumatic Temperature Range:-45-120 degrees.