快速泄放阀 meaning in Chinese

qrv quick release valve
quick release valve

Qrv quick release valve
快速泄放阀
So the pressure signal of control air holds the single - acting cylinder at the stop position through the pipe named “ supply ” , the 3 - way valve ( pos . no . 22 , upper frame ) , the double check valve ( pos . no . 72 - 1 ) and the quick release valve ( pos . no . 41 , right frame )
因此控制空气的压力信号保持单作用气缸在停止位置通过管路supply ，三通阀22 ，上位，双向止回阀72 - 1和快速泄放阀41 ，右位。
The 3 - way magnet valve ( pos . no . 77 ) is never energized again ( upper frame ) , but if the cause of deenergizing is eliminated and the electric circuits of the engine protecting system are reset , the 3 - way magnet valve ( pos . no . 77 ) is energized ( upper frame ) , then the control air which has actuated the single - acting cylinder ( pos . no . 21 ) being rapidly blown off through the quick release valve ( pos . no . 41 )
三通电磁阀77决不会再次通电上位，但如果断电的原因被消除而且主机安保系统电气回路被复位，三通电磁阀77被通电上位，作用在单作用汽缸21的控制空气已被迅速放出通过快速泄放阀41 。