They are true multi-purpose valves and employ the patented Numatics spool and sleeve assembly.
他们是真正的多用途阀采用专利的纽曼帝克阀芯和套筒组装。
2
Threaded-in bonnet is common in lighter-duty services and smaller sizes of bronze multi-turn valves.
螺纹旋进式阀盖：通常用于轻型管道系统和小尺寸青铜多回转阀门中。
3
The RM Rotary Actuator is designed to automate the operation of valves, gates, dampers, louvers and other positioning applications, requiring partial or multi-turn rotational movement.