... , 25Mpa Class 150, 300, 600, 900,1500LB Body Type: Direct casting ball-type valve Bonnet Type: Stdanrd type, lengthened (heat dissipation, low temperature, bellows sealing ... ). Valve Disc Type: Multistage Cage Sleeve Type Sealing Gasket: Metal with graphite gaskets Actuator: Pneumatic, Multi ...