Nr.3 液压制动器 HPS7-270kNDirect-acting negative hydraulic brakes for dynamic emergency braking with final parking from the load.直动式负液压制动器，用于动态紧急制动，最终从负载处停车。KEST&＃39;s direct-drive hydraulic brakes offer high efficiency and safety for Drawworks installed in drilling rigs. Each direct-drive brake con
