Direct Mount These Series are standard 3-way and 4-way solenoid valves whose NPT pipe connections and mounting configurations have been replaced by NAMUR mounting configuration. This allows each valve to be mounted directly to an actuator without the use of hard piping or tubing. Click on a series to learn more. 3-Way 8320 Series Direct acting normally closed solenoid valve. Available AC or DC operated with brass or stainless steel bodies for the control of quarter turn actuators. 3-Way, High Flow 8327 Series Direct acting balanced poppet valve available in a universal construction. Available AC or DC operated with brass or SS bodies for the control of quarter turn actuators. 3-Way, Sub-Miniature 8380 Series Direct acting valves available in normally closed and universal constructions. Available as a group mounted valve AC or DC operated with aluminum bodies. 4-Way, Direct Mount 8342 Series Direct acting valve with a sliding resilient disc. Available AC operated with single or dual solenoids and either brass or SS bodies for the control of quarter turn actuators. Direct Mount 8401 Series Pilot operated slide valves that can be used either as 3-way normally closed or 4-way 5-ported valves. Available AC or DC operated with thermoplastic bodies for the control of quarter turn actuators. 8551 Series These series are pilot operated high flow valves available in anodized aluminum bodies 1/4" NPT. They are compact spool valves with threaded port connections, with all exhaust ports pipable, providing better protection against harsh environments.