Case Studies

A trunnion ball valve is assembled w/ Max-Air’s SHD series spring return scotch yoke actuator.  SHD/CHD series scotch yoke actuators are available with symmetric or canted yoke designs to provide a better match for your valve’s torque profile, and are available up to 2,700,000 in-lbs…

This Max-Air SHD series double acting scotch yoke actuator is equipped with custom extended travel stops to allow for travel adjustment beyond the standard + or - 6° in each direction.  These extended travel stops allow for infinite adjustment between 0° and 90°.  Also, a…

Max-Air’s MT41 spring return actuator is outfitted with a customer provided limit switch/solenoid valve combo, nylon tubing & brass fittings make the air connection quick & easy.  An NPT1/4 plate and CF3 speed control plate w/ brass mufflers allow for stroke speed adjustment and quiet…

This assembly was assembled & tested to be compatible in Class 1 Div 1 rated hazardous environments.  A 3-way inline solenoid valve is nipple mounted to an MS48 explosion proof limit switch box and terminated, with SS tubing completing the air connection to the actuator…

Max-Air’s proven MT Series spring return actuator is mounted to a SS v-ball valve, assembled & tested w/ positioner for modulating flow control.

Max-Air’s AE Series electric actuators for on/off control easily direct mount to ISO5211 standard SS ball valves, making for quick and easy assembly and a compact package.  Max-Air offers top notch assembly & testing services.

Max-Air’s MAB Series SS cast brackets are highlighted as part of some automated carbon steel ball valves.  The MT Series mounts to the ball valve with the ISO standard bolt circle patterns and a Max-Air machined custom coupler completes the connection.

Max-Air’s 45 Series limit switch box is mounted to a SS handle operated ball valve w/ custom mounting kit, designed for easy installation, flexibility and a low profile.  The design allows for unhindered manual operation yet easy integration & field wiring.

This SS series actuator is outfitted with a super custom, knurled & extended SS pinion, engineered to provide reliable and long-lasting performance for the marine food industry.  The special knurls on the end of the pinion are used to automate a special OEM application.

Max-Air’s HD series scotch yoke spring return actuator is outfitted with a rebreather kit that prevents outside air from entering the air chamber during the return stroke.  The actuator is epoxy coated for extra corrosion resistance and all non-coated rebreather components are stainless steel.

Limit switch on/off feedback is not limited to automated valves - even manual ball valves like these can be retrofitted w/ limit switches for normal or hazardous duty.  Max-Air’s manual limit switch kits are designed, fabricated & assembled in-house to provide flexible installation and durable…

This project was for multiple 20” AWWA butterfly valves, automated with Max-Air’s HD series scotch yoke double-acting actuators.  Custom mounting hardware was designed and fabricated in-house, and all assemblies were built and tested at Max-Air’s facility. 

A Max-Air AE Series electric on/off actuator sits perched atop a custom-fabricated diverting tee assembly.  The two Delta T lug butterfly valves are set opposed to each other so that when the primary valve is closed, the secondary valve is open and vice versa.  Unlike…

Max-Air’s AE Series electric actuator part number AEM06HA-120VAC-BMD/SPH/LED modulates via a 4-20mA (or 0-10V) input signal and includes a space heater, LED open/close indication, and a manual hand wheel override.  The valve being controlled is a 10” Delta T 051-482 butterfly valve w/ SS disc…

A 1-1/2” 3-pc SS Ball Valve is outfitted with a modulating electric actuator that uses a 0-135 Ohm control signal to modulate the ball valve.  A heat dissipating coupler and extra tall bracket help minimize the heat conducted to the actuator from the process fluid.

Ball valves are not limited to on/off applications; for basic flow control a ball valve can be sufficient depending on your application.  The flanged ball valve is equipped with an explosion proof PEX01 4-20mA positioner, lock-up valve, filter regulator and SS tubing.  During normal operation,…

  This plastic ball valve is equipped with an MT41.S4.F07-F10.CH22 spring-return actuator and MS41-21ST0T technopolymer limit switch.  To add some controllability to operating speed, a CF3 speed control plate w/ NPT ¼” adapter plate is mounted to the actuator’s Namur interface.  The CF3 speed control…

This 12” lug body butterfly valve is manually operated with a hand wheel gearbox.  Instead of directly mounting the gear operator, a 3 foot stem extension is installed to allow access to the hand wheel when the valve is installed in a pit, near the…

This custom high performance butterfly valve assembly operates normally as a modulating fail-close assembly.  As recommended, a filter regulator is used on the input air to the positioner to keep air clean and prevent pressure spikes, helping to extend the life of the positioner.  Using…

This custom automated assembly was designed to meet specific customer requirements, with all components carefully selected and tested to ensure the design benchmarks were met.  Instead of air or hydraulic fluid, high pressure water was used as the fluid power for this assembly.  Max-Air modified…

As factories and the processes within grow more complex and dependent on real-time system feedback, many customers are increasingly requesting electrical feedback for open/close manual valves as well as automated valves. Every valve is different, so when Max-Air retrofits a handle-operated valve it is a…

Max-Air SHD Scotch Yoke actuator fitted to a 30” double offset high performance butterfly valve. The new HD Series actuators come in a symmetric and canted torque curve configurations, and are designed with the new “Slide Block” technology for incredibly smooth, robust, and reliable performance.

This assembly utilizes our proprietary LockMesh coating on an MT series actuator to provide the end user with excellent chemical resistance at an affordable price compared to complete stainless actuators. The customer supplied limit switch with integral solenoid was mounted and plumbed at Max-Air Technology…

Max-Air’s Technopolymer pneumatic actuator mounted to CPVC ball valves: Our Technopolymer rack and pinion actuator combined with these CPVC ball valves with FPM seals allowed the customer automated control of their high chlorine content water, without fear of corrosion.

This assembly was designed to provide a means of “jogging” and actuator position without the use of a positioner. Both solenoids are normally closed, one controls air coming in to the spring return actuator, one controls exhaust of air in the actuator. To open the…

MT31.DA.F05-F07.CH17 double-acting actuator equipped with PEY02 positioner. The PEY02 positioner I/P converts a 4-20mA input signal to a controlled air supply output, diverting air to either the right or left ports of the actuator as needed to achieve the desired position. The PEY02 also includes…

This application required that Max Air integrate a Turck sensor/switch with an auxiliary lead for solenoid valve operation via a single cable from the control panel. Note the adjustable puck and IP67 sealed multi pin connections throughout

Application required a highly polished CF8M disc with an EPDM seat, designed for use in a vacuum freeze drying application, fitted with a Max-Air MT76 spring return pneumatic actuator. Bracket and coupling manufactured in house in O’Fallon, Missouri.

An MT46.S4.F07-F10.CH22 spring-return actuator actuates two 4” butterfly valves simultaneously via a mechanical tee-linkage assembly fabricated in-house by Max-Air. Two 4” lug style butterfly valves are mounted to a standard 4” ductile iron tee. Set up for a diverting application, fluid from the inlet of…

Max-Air custom designed solution where automation of an industrial basket strainer was required. Over time, basket strainers can be difficult to operate, and customer wanted a simplified and safe solution. Package used a Max-Air UT56 180° double acting pneumatic actuator, fitted with Max-Air speed controls…

Long ago in a land far far away, corrosion was a problem for aluminum actuators. With Max Air’s exclusive Lock Mesh coating, these same actuators can have the corrosion resistance of stainless with a fraction of the weight.

Handle-operated 4” flanged ball valve outfitted with an XAB Series limit switch box. Max-Air’s custom designed mounting kit allows for freedom to operate the handle while linking the valve stem to the limit switch box’s Namur shaft, providing open/close feedback. Manual limit switch kits are…

This 10” High Performance Double Offset Butterfly Valve is operated by Max-Air’s GO series manual gearbox. What makes this one a little different is the customer’s request for an explosion proof limit switch. To allow for this, Max-Air’s diligent engineering team designed and built these…

Max-Air Technology stocks and ships daily, complete stainless steel automated packages. Shown is a Max-Air SS26 pneumatic actuator (316 SS), fitted with a Max-Air SSV86 stainless steel NAMUR mounted solenoid valve (316 SS) a Max-Air MS45-120703 stainless steel limit switch box (316 SS). Full stainless…

Handle-operated 4” flanged plastic ball valve outfitted with a CAB Series limit switch box. Max-Air’s custom designed mounting kit allows for freedom to operate the handle while linking the valve stem to the limit switch box’s Namur shaft, providing open/close feedback. Manual limit switch kits…

This assembly was designed to provide a means of “jogging” and actuator position without the use of a positioner. Both solenoids are normally closed, one controls air coming in to the spring return actuator, one controls exhaust of air in the actuator. To open the…

Because of Max Air’s better than industry standard plus or minus 10 degrees of open and closed position adjustability, extended travel stops are rarely needed. When they are however, they can be provided and can be designed to stop the valve in almost any position.

This full port ½” 3pc SS valve assembly was to replace a low Cv solenoid. With our MT04 which is a mere 4 inches long and 2 inches wide, makes this assembly tiny, yet highly effective. Very few companies offer a pneumatic this small, and…

MT26.DA.F05-F07.CH17 double-acting actuator equipped with PEY02 positioner & lock-up valve. The PEY02 positioner I/P converts a 4-20mA input signal to a controlled air supply output, diverting air to either the right or left ports of the actuator as needed to achieve the desired position. The…

This assembly is designed for modulating control of an air damper and additionally provides a “fail freeze” capability which will lock the double acting actuator and damper in position on loss of air or signal.

That’s right! We might be famous for our rotary actuators, but we also assemble, test, and calibrate linear ones as well. This particular assembly uses a custom mounting kit with our PNY positioner for a customer supplied linear control valve.

This MT16 actuator incorporates our Smart Beacon which uses an indicator with 4 way interchangeable metal targets and a proximity switch to sense valve position. This combination is great for intrinsically safe or hazardous environments.

Specially designed and manufactured Max-Air stainless steel actuator for use in an offshore platform. Actuator has been fitted with a Max-Air designed stainless steel high capacity flow block (HCFD) and ½” stainless steel external tubing, allowing the unit to be powered by seawater.

Max Air’s line of electro-hydraulic actuators provide spring return ESD control in a variety of applications on valves with torques well beyond the limits of traditional electric spring return actuators. With accessories like modulating control, solar panels, and the like, the capabilities are dramatically extended.

Max-Air MT41 double acting pneumatic actuator retrofitted to drive two PVC butterfly valves in alternating operation with one actuator (one valve is open while the opposite valve is closed). Brackets and couplings manufactured by Max-Air; full assembly and testing completed onsite, shipped with foam-in-place packaging.

3” Plastic ball valve assembled with chain wheel gear operator and manual limit switch kit. Chain wheel allows operation from the floor level with assembly suspended above, while the limit switch box provides open/close feedback to a control room or panel.

This unique assembly is used in a boiler feed water application where line temps can easily exceed 210 degrees Fahrenheit. Our special in-house designed heat dissipating mounting kit keeps the actuator safe from the heat while maintaining a small package.

An MT41.S4.F07-F10.CH22 spring-return actuator mounted with an extra-long stem extension to a SS ball valve with special tank bottom end connection. The long stem extension provides clearance for the actuator from the bottom of the tank. The spring-return fail close actuator provides fail-safe tank shutoff…

Max-Air integrated butterfly valve assembly, direct mount configuration, fitted with an MT17 spring return actuator, an SV61-120 VAC solenoid valve, and a NEMA 4/4X MS45-120M03 limit switch. Solenoid valve is prewired and terminated inside of the limit switch; this provides for power and signal wires…

MT26.DA.F05-F07.CH17 double-acting actuator with IFM Plug-&-Play ASi proximity switch, smart beacon & pre-terminated solenoid valve. Max-Air’s customizable smart beacon provides targets to trip the IFM switch in the open and closed positions. The SV61-24VDC-ASI solenoid valve coil uses a 24VDC power signal for ASi compatibility…

This actuator system was assembled for ease of wiring in a hazardous environment. Using a solenoid valve with a roomy junction box, all of the connections for switches and the solenoid are made simple for field electricians.

Max-Air AE Series fast acting electric actuator direct mounted to a 3-piece stainless steel ball valve. This assembly replaced a low Cv solenoid valve with a full port ball valve, and provided the customer with a much better solution providing excellent flow while maintaining the…