Rc, R and NPT connections are added to series.
For wide variety of applications from semiconductor to general.
Cleaned for O2 service
Compact and lightweight by making the actuator shorter (AK3542/4542)
M5 actuation port (AK3542/4542)
Compact and lightweight by modifying the knob design (AK3652/4652)
The knob is a unique design that combines a scalloped round knob with a raised
rectangular section to provide two choices of gripping.(AK3652/4652).