Retractor

The quick opening is called bandlock,including direct compression components(cylinder and blind sheeting) and the rapid belt tightening lock device and the pressure relief safety devices,the special form of ring and the transfer arm connecting cylinder with blind sheeting.

该快开门机构称为锁带嵌入式快开盲板,由直接承压部件(法兰型筒体及盲板盖)及其上的快速锁带收紧装置、安全卸压装置、特殊形式的密封圈及连接盲板盖与筒体的可微调转臂构成。