Series ND direct acting valves come with M22 coils. They are compact and available only in G18 BSP port sizes in 2WAY and 3WAY configurations. Gang manifold assemblies are available.
Air pressure regulators are required to control the air pressure being fed into the system and silencers are used to reduce the noise from the exhaust air form the Pneumatic valves.
The various valves used on Mercury Hydro Pneumatic pumps and Air Boosters are listed below. Their application and working can be found in the Hydro Pneumatic pumps Air Booster section of the website.