... seats, which are movable under the pressure of medium. Trunnion mounted ball valve has been designed with two floating seats, which ... :2"~60"(DN50~DN1500)Pressure range: Class150~2500(PN16~PN420)Working temperature:-196°C~+200°COperation:Wrench, worm gear, electric , pneumatic ... , gas over oil actuator and electro-hydraulic actuato Trunnion Mounted Ball Valve