Air Preparation Solutions from Donald Engineering
Air preparation is crucial for protecting pneumatic systems and lowering total cost of ownership. Plant or shop air must be filtered of particulates, oil, and moisture; properly regulated and distributed; safely controlled; and in some cases, lubricated before moving into pneumatic devices. Donald Engineering proudly offers a wide range of air preparation components from ROSS Controls and Clippard to protect your investments and ensure that systems maintain maximum efficiency and effectiveness.
Air Entry Systems are often the foundation toward reaching total machine safety. With properly sized components implemented in the correct order, energy can be isolated or shut off for routine maintenance or troubleshooting. We'll work with you to select the right parts for your unique needs and requirements.
Ross Controls Air Entry Safety Solutions

Now Available! The M35 Air Entry Safety Solution offers a pre-engineered, panel-mounted design for pneumatic control and air dump/release applications. Proper safety requires correct planning, executing, validating, and verifying of an energy isolation system. Donald Engineering and Ross Controls can offer a system done right with a PLe safety rating!
Let Donald Engineering configure the best Air Entry Safety Solution for your system, contact our team today!
ROSS Controls also offers a DM2 Air Entry Safety Solution. The key difference between the M35 Air Entry Safety Solution is that the M35 uses a Safety dump valve that is “externally monitored”.
The DM2 is “internally monitored” and will require no additional monitoring on the valve itself.
Here are a few key benefits of the DM2 Air Entry Safety Solution:
- Quick Exhaust for fast Safe Condition in the event of a potential hazard condition.
- Self-Monitored (PLe) so no need for any additional external monitoring circuitry and costs.
- High Quality, High Flow, modular
- Built in quality for peak performance for many cycles. One of the highest B10 ratings in the industry
- Modularity creates options for:
- Additional outlets can be built in before or after control reliable dump valve.
- Optional Pressure Transducer or Pressure switch for remote status condition.
- Easy repair or replacement if required.
- Made in the US
Let us configure the best Air Entry Safety Solution for your system,
contact our team today!