900 Series
The MAC 900 Series is a versatile 4-way solenoid piloted spool valve. This series features our balanced poppet in the pilot and an air/spring return for consistent shifting regardless of inlet pressure fluctuations. Versatility in piping means the valve can be piped as a 4-way, 3-way, 2-way, normally closed or normally open or can be used for vacuum, diverter or selector applications. Our one piece bonded seal spool means longer life and easy maintenance. For information certifications (such as UL, CSA, RoHS and CE) please visit the Get Support pages on our website.
Cv (Max): 1.2
Port Sizes: 1/8″-1/4″
Configurations: Inline – Stacking
900 Series Catalog Pages
900 Series Remote Air
900 Series Intrinsically Safe Pages
Category: Small 4-Way Valves


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24 Series
Small 4-Way Valves
The MAC 24 Series is a compact - high flow - 10mm - solenoid pilot operated 4-way spool valve. The valve offers high flow not common for a valve of its size. The valve utilizes our new 8mm E-pilot with oval armature for maximized shifting forces in a small package size. The balanced design in the pilot means shifting forces are consistently high and response times are repeatable regardless of inlet pressure fluctuations. For information regarding certifications (such as UL, CSA, RoHS and CE) please visit the Get Support pages of our website.
Application, Installation and Service Precautions
Cv (Max): 0.4
Port Sizes: #10-32-M5-M7
Configurations: Inline - Manifold: Plug-in/Non Plug-in
24 Series Catalog Pages


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400 Series
Small 4-Way Valves
The MAC 400 Series is a 4-way spool valve pilot operated by a small direct operated 4-way solenoid valve - a one-off in air valve manufacturing. The 4-way pilot means a low minimum operating pressure - no pistons - and minimal resistance to shifting. The balanced design in the pilot means shifting forces are consistently high and response times are repeatable regardless of inlet pressure fluctuations. For information regarding certifications (such as UL, CSA, RoHS and CE) please visit the Get Support pages on our website.
Application, Installation and Service Precautions
Cv (Max): 1.1
Port Sizes: 1/8"-1/4"
Configurations: Inline - Manifold: Plug-in/Non Plug-in
400 Series Catalog Pages
400 Series Circuit Bar Pages
400 Series Remote Air Pages
400 Series Intrinsically Safe Page


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42 Series
Small 4-Way Valves
The MAC 42 Series is a high flow 10mm solenoid pilot operated spool valve with a unique integral four way pilot. The short stroke solenoid utilizes an oval armature for maximized shifting forces in a small area. The 4-way pilot means a low minimum operating pressure - no pistons - and minimal resistance to shifting. The balaced design in the pilot means shifting forces are consistently high and response times are repeatable regardless of inlet pressure fluctuations. For information regarding certifications (such as UL, CSA, RoHS and CE) please visit the Get Support pages of our website.
Application, Installation and Service Precautions
Cv (Max): 0.40
Port Sizes: #10-32-1/4"
Configurations: Inline - Manifold: Plug-in/Non Plug-in
42 Series Catalog Pages
42 Series Circuit Bar Pages
42 Series MAConnect Pages
42 Series Regulator Pages


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48 Series
Small 4-Way Valves
The MAC 48 Series is a high flow 16mm 4-way spool valve with a unique integral four way pilot. The short stroke solenoid utilizes an oval armature for maximized shifting forces in a small area. The 4-way pilot means a low minimum operating pressure - no pistons - and minimal resistance to shifting. The balaced design in the pilot means shifting forces are consistently high and response times are repeatable regardless of inlet pressure fluctuations. For information regarding certifications (such as UL, CSA, RoHS and CE) please visit the Get Support pages of our website.
Application, Installation and Service Precautions
