The main valve is of the spool type that requires no oil lubrication.
A combination of a specially configured packing and a spool enables oilless operation.
Manual button provided as standard. All types are provided with a manual button.
Easy maintenance. Long-life products. Engineered with prime importance on ease of maintenance, they are very simple in construction with smaller number of component parts.
Also available as three-way valves. Four-way valves as standard. They can also be used as three-way valves by plugging one of the two outlets.
Easy to install. Troublesome piping work is unnecessary because the valve can be directly installed to a cylinder by the Namur mount method. Moreover, the standardized connection configuration enables installation to every cylinder having a Namur mount.
Also connectable to piping. Connectable to piping as Rc1/4 threads are cut on the inner surface of the O-ring at the outlet side.