... used in various decelerating and holdiing brake occasions releasing when energized braking when ... manner:release handle and head release5.this brake have brake and hold two kind of function6.friction ... and asbestos.7. reaction quickly,high frequently,safe brake.8.low noise,easy installation,proection class could ... IP44,anti-dust,dampproof,long service.9.double brake can used in stage equipment10. We can ...