四分之一转 meaning in English

quarter turn

. pn16 quarter turn connections guillemin system . nominal pressure pn 16
四分之一转的连接件
Quarter turn , double acting and spring return type with a totally enclosed design and no external moving linkages
四分之一转，双动和弹簧回位类型，具有全封闭结构，没有外部活动连接。
The quarter turn graduations on the sleeve , with the scribed line on the stem , provide for approximate flow measurement
在套筒上四分之一转的刻度，以及阀杆上的刻痕，显示大约的流量测量。
The relief valve cover shall be secured with stainless steel bolts and shall utilize a quarter - turn locking joint to capture the spring load of the relief valve
安全阀阀盖应该采用不锈钢螺栓紧固，应该采用四分之一转锁定连接来所定安全阀的弹簧负载。
Holding the check valve module in both hands , rotate the assembly quarter turn . this will disengage the disc assembly , spring and seat cover into individual components
双手握住止回阀模块，将总成旋转四分之一转。这将把阀瓣总成、弹簧和阀座盖分解成独立的部件。