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Case Studies

Case Studies

Tandem Assemblies That Defy Gravity!

Tandem assemblies that defy gravity! The bottom Delta T butterfly valve is direct mounted, while the top is mounted with a custom coupler and one of our MAB Cast Stainless Steel Brackets. Whatever the application, Max-Air is committed to providing a solution!
Max-Air Technology
August 9, 2019
Case Studies

Fail Close Valve w/ Manual Override

This assembly features an MT Series spring return, fail closed actuator working in tandem with our GOW Series declutchable gear override. If you need to manually operate an automated valve during shutdown, maintenance, or emergency situations, a declutchable gear operator is the perfect way to…
Max-Air Technology
May 24, 2019
Case Studies

Modulating Butterfly Valve Assemblies

These modulating butterfly valve assemblies are equipped with our MT rack and pinion actuators, explosion proof SMART positioners, and explosion proof solenoid valves for shutoff on loss of electrical signal. The are expertly mounted by our trained technicians and fully tested by our engineers.
Max-Air Technology
May 17, 2019
Case Studies

Epoxy Coated MTs and Damper Valves

Our shop is always working on something new and exciting. This customer supplied us with damper valves for integration. We mounted our Epoxy Coated MT rack and pinion actuators and MS45 limit switches. The unique part of this job was, the end user wanted the…
Max-Air Technology
May 17, 2019
Case Studies

European Leverism

This integrated solution was engineered and manufactured at our world headquarters in Agrate Brianza, Italy.  The pneumatic control assembly was specifically designed to provide a stainless steel enclosed lever-mechanism coupling the electro-pneumatic positioner and the position indication limit switch box in tandem.  In addition, the…
Max-Air Technology
May 16, 2019
Case Studies

Wellhead Choke Valve Assembly

Max-Air Technology had the good fortune to be selected as the actuator of choice by Equipment & Controls Inc., an Emerson Impact Partner located in Lawrence, PA, for a critical pressure reducing and secondary ESD (Emergency Shutdown) solution. The application utilizes a Cyclonic Choke Valve…
Max-Air Technology
March 5, 2019
Case Studies

Customer Partnering

Max Air partners with our customers in order to find THEIR ideal solution.  In this case, our customer specified a specific valve and actuator for the application.  We automated the assembly with custom brackets and our limit switch to provide the solution that the end…
Max-Air Technology
February 23, 2019
Case Studies

Fail-Safe Positioner w/ Speed Control

Customer supplied positioners were assembled & tested with Max-Air MT Series actuators. Stainless steel hard tubing provides corrosion resistance, durability and clean aesthetics. Max-Air CF3 NAMUR mount speed control blocks allows for speed adjustment in the field (for open and close directions).
Max-Air Technology
January 18, 2019
Case Studies

Turn-Key Automated Package w/ Override

Max-Air assembled & tested complete automated package, ready for valve mounting. Max-Air MT Series actuator, GOW Series declutchable gear operator, SV Series NAMUR solenoid valve and filter regulator are integrated together with a customer supplied limit switch box.
Max-Air Technology
January 18, 2019
Case Studies

Custom Scotch Yoke Actuators

Special project order with customer-specified paint finish and custom mounting and cylinder configurations. Max-Air HD Series scotch yoke actuators are versatile and customizable with a modular design, capable of operation with air, hydraulic fluid, or even water. Scotch yoke actuators can be a cost-effective and…
Max-Air Technology
January 16, 2019
Case Studies

Manual Override Assemblies

Max-Air Technology builds valve assemblies to suit customer needs. Pictured here is our MT series rack and pinion actuator with our GOW series declutch manual override direct mounted to ball valves. Our GOW series declutch gear operator is made to ISO standard, so mounting it…
Max-Air Technology
January 15, 2019
Case Studies

Electrically Actuated High Performance Butterfly Valves

These electrically actuated Delta T Products high performance butterfly valves, were integrated by Max-Air using another manufacturer’s electric actuator. Brackets and Couplings were manufactured by Max-Air and all units were tested, calibrated, and certified for the end user. Packaging with foam ensured safe delivery to…
Max-Air Technology
January 14, 2019
Case Studies

Custom Machined Couplers and Stainless Steel ISO 5211 Cast Brackets

JTNDaWZyYW1lJTIwd2lkdGglM0QlMjI1NjAlMjIlMjBoZWlnaHQlM0QlMjIzMTUlMjIlMjBzcmMlM0QlMjJodHRwcyUzQSUyRiUyRnd3dy55b3V0dWJlLmNvbSUyRmVtYmVkJTJGbGdTTkstXzRFc3MlMjIlMjBmcmFtZWJvcmRlciUzRCUyMjAlMjIlMjBhbGxvdyUzRCUyMmFjY2VsZXJvbWV0ZXIlM0IlMjBhdXRvcGxheSUzQiUyMGVuY3J5cHRlZC1tZWRpYSUzQiUyMGd5cm9zY29wZSUzQiUyMHBpY3R1cmUtaW4tcGljdHVyZSUyMiUyMGFsbG93ZnVsbHNjcmVlbiUzRSUzQyUyRmlmcmFtZSUzRQ== Max-Air Technology provides custom machined stainless steel pinions paired with ISO 5211 stainless steel cast brackets for all your automation needs. Contact for availability and distribution: Tel: +1 636 272 4934 Fax: 636.272.4937 Toll Free: 888.842.9998 Email: info@maxairtech.com
Max-Air Technology
December 28, 2018
Case Studies

Next Generation Electro-Hydraulic Actuator

Max-Air MT Series rack & pinion actuator outfitted with a custom electro-hydraulic power pack. The system is completely self-contained and ready for field wiring, includes manual handpump override and open/close feedback switches. Explosion proof or NEMA 4/4X options available for a variety of power and…
Max-Air Technology
December 12, 2018
Case Studies

Cost Effective High Performance

10” & 12” 850 Series Delta T Double Offset High Performance Butterfly valves outfitted with cost effective, corrosion resistant automation package. Max-Air “LockMesh” coated actuators are a cost effective alternative to stainless steel actuators, reducing cost and weight of the overall assembly. The GOW Series…
Max-Air Technology
May 10, 2018
Case Studies

Fail Closed 28” Lug DI BFV

Max-Air automated this 28” DI Lug Butterfly valve with our HD Series scotch yoke actuator, spring return fail closed.  Max-Air accessories were also included – MS48-120M03 explosion proof limit switch box and SV29-120VAC-3-STD explosion proof inline solenoid valve were pre-wired and terminated for a complete…
Max-Air Technology
November 10, 2017
Case Studies

Modulating Electric 3” Ball Valve

Max-Air AE Series modulating electric actuator is perfect for rotary control valve applications – particularly applications using butterfly valves, ball valves, and v-port ball valves.  Flexible input and output options (selectable 4-20mA, 0-10V), standard auxiliary switches, space heater & convenient LED open/close indication make setup…
Max-Air Technology
August 27, 2017
Case Studies

¾” Tandem Ball Valve Assembly

Max-Air designed this custom assembly setup to actuate two ball valves simultaneously with one actuator.  The valves operate opposite to each other, with one air to open/spring to close and the other air to close/spring to open.  Customer specified inductive proximity bolt type switches mount…
Max-Air Technology
May 27, 2017
Case Studies

3 Position 180° Dribble Control Package

Max-Air assembles and tests 3 position dribble control automation packages, ready to mount directly to an ISO mount standard 3-way T-port ball valve or other custom applications (with mounting kit adaption if necessary).  Max-Air stocks 180° and 90° actuators in double acting or spring return…
Max-Air Technology
January 27, 2017
Case Studies

SS Gear Operated Butterfly Valve

Max-Air designed and fabricated all stainless mounting kit uses our heavy duty MAB Series CF8 (304SS) cast bracket, custom stainless coupling and all stainless hardware to complete a match made in stainless heaven.  A 3" SS Butterfly valve is joined with a SS gear operator…
Max-Air Technology
January 20, 2017
Case Studies

Mirror Polish Actuator

Who is the fairest actuator of them all?  Not only does Max-Air stock a full line of stainless steel body rack and pinion actuators, we can also offer a mirror polish finish for extra-sensitive applications. Polished stainless steel is especially suitable for applications where bacteria…
Max-Air Technology
January 5, 2017
Case Studies

One-Stop Shop

Max-Air is more than just an actuator manufacturer or just another automation house.  We can provide complete, turn-key packages ready for service.  Specifications are usually driven by the valve, which is dictated by the process and environment.  We start from the “ground” (valve, process, environment)…
Max-Air Technology
November 18, 2016
Case Studies

Max-Air Hazloc Assemblies

Max-Air can provide a wide variety of accessories for safe operation in hazardous locations.  This fail safe ball valve assembly is equipped with an explosion proof limit switch and a 3-way solenoid valve that will allow it to fail SAFE under the most dangerous conditions.
Max-Air Technology
November 17, 2016
Case Studies

3” V-Port Ball Valve Assembly

A spring return fail close MT51.S4 actuator mounted to a 3” V-Port 150# flanged ball valve via stainless steel bracket and coupling.  The PEY01 positioner proportionally moves the position of the V-Port ball based on a 4-20mA input signal, providing accurate flow control.  Clean, dry…
Max-Air Technology
November 17, 2016
Case Studies

The Taming of the Trunnion

Max-Air SHD Series scotch yoke actuators sit perched atop beastly 8” Class 300 trunnion ball valves.  Strong and swift, these spring return actuators tame the intimidating ball valves and force the ball to the closed position when critical shutoff is required.  Complete with seamless mounting…
Max-Air Technology
November 16, 2016
Case Studies

Low Temp Buna Actuator

Max-Air debuts it’s new addition to our low temperature line-up: Low Temp Buna Seals!  We are now stocking Buna seals designed for low temperature applications down to -40°F, for cases where the standard low temp silicone seals are incompatible.  In this case study, the actuator…
Max-Air Technology
September 21, 2016
Case Studies

Sanitary Grade Lock Out Kit.

Custom made lockout kits are nothing new to us here at Max-Air Technology. So when a customer requested a lockout kit to complement their sanitary butterfly valve, we didn’t hesitate to offer a solution. This kit was polished to match a valve with an external…
Case Studies

Custom High Visibility Indicator

Max-Air has always helped customers with their valve indication needs. This latest includes a high visibility yellow extended tube with bright, reflective ends. This allows valve orientation to be checked from a great distance in low light environments.
Max-Air Technology
April 19, 2016
Case Studies

Automated Assembly w/ Custom Switches & Termination

This project consisted of ball valve & butterfly valve assemblies completed with a custom switch, indicator & special multi-pin din connector.  Max-Air actuators and mounting hardware were supplied to automate the valves, and the custom electronic feedback and communication was designed to meet specific customer…
Max-Air Technology
April 19, 2016
Case Studies

2” Modulating Fail-Safe Explosion Proof BFV

Max-Air Technology takes a humble 2” resilient seated butterfly valve and makes the most of it! Instead of a simple on/off shutoff device, this butterfly valve has been transformed into a fail-safe, explosion proof modulating control valve that can be controlled remotely via a 4-20mA…
Max-Air Technology
April 19, 2016
Case Studies

Explosion Proof Fail-Safe Actuation Package w/ Override

Max-Air’s MT71.S6.F16.CH36 spring return actuator offers fail-safe torque in a compact package compared to similarly sized scotch-yoke actuators.  This assembly is outfitted with a PEX02 model explosion proof positioner which provides 4-20mA modulating control and two limit switches for feedback.  A heavy duty filter regulator…
Max-Air Technology
April 19, 2016
Case Studies

2” Diverting On/Off Electric BFV Tee Assembly

Butterfly valve tee assemblies can be a good alternative to 3-way ball valves for diverting applications. In this case, two resilient seated butterfly valves are arranged to operate opposing each other (when one is open, the other is closed). Max-Air’s AE01-120VAC electric actuator supplies the…
Max-Air Technology
April 19, 2016
Case Studies

Fail Safe Ball Valve w/ Manual Override

Carbon steel ball valve actuated with an MT16.S4 spring return fail closed actuator for fail-safe operation.  Max-Air’s PV01-GOJ26 sandwich style declutch-able gear operator sits between the actuator and valve to allow for manual override when air pressure is lost.  Max-Air also fabricated a custom mounting…
Max-Air Technology
April 15, 2016
Case Studies

Automated PVDF Ball Valves

1-1/4” through 3” PVDF ball valves automated with Max-Air’s MT Series spring return actuators for fail-safe operation and Max-Air’s MS41 Series technopolymer limit switch boxes for open/close feedback.  Full stainless mounting kits were fabricated using our cast stainless MAB Series brackets and custom couplings.  All…
Max-Air Technology
April 14, 2016
Case Studies

Rotary Globe Control Valve Assembly

Rotary style globe control valves w/ v-notch can provide exceptional control within a compact package.  This assembly uses Max-Air’s MT17.DA actuator to open and close the customer supplied 1-1/2” valve.  An explosion proof PEX01 positioner provides 4-20mA control and is tubed up with SS tubing…
Max-Air Technology
February 4, 2016
Case Studies

10” Electric BFV Tee Assembly

A modulating electric actuator is paired with 2 x 10” 051-262 Delta T lug butterfly valves, assembled in a tee linkage configuration that forces the 2nd valve to be closed when the 1st is open.  This configuration is common for mixing applications, and for many…
Max-Air Technology
February 3, 2016
Case Studies

Corrosion Resistant Automated Assemblies

This large custom project required consisted of dozens of assemblies, with all MT Series actuators epoxy coated for corrosion resistance.  Max-Air’s epoxy coating provides a cost effective way to achieve corrosion resistance and maintain a lighter assembly weight.  Solenoid valves and limit switches were prewired…
Max-Air Technology
February 3, 2016
Case Studies

Scotch Yoke Actuated Trunnion Ball Valve

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…
Max-Air Technology
February 2, 2016
Case Studies

Class 1 Div 1 Ball Valve Assembly

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 Technology
February 2, 2016
Case Studies

Low Profile Manual Limit Switch Kit

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.
Max-Air Technology
January 21, 2016
Case Studies

SS Actuator w/ Custom Knurled Pinion

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 the shucking process for oysters.
Max-Air Technology
January 21, 2016
Case Studies

Scotch Yoke Actuator w/ Rebreather

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.
Max-Air Technology
January 21, 2016
Case Studies

Manual Ball Valves w/ XP Limit Switches

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…
Max-Air Technology
October 30, 2015
Case Studies

Automated 20” AWWA BFVs

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. 
Max-Air Technology
October 21, 2015
Case Studies

2-1/2” Diverting BFV Tee Assembly

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 Technology
October 21, 2015
Case Studies

10” Modulating Butterfly Valve

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…
Max-Air Technology
October 21, 2015
Case Studies

Modulating Fail-Freeze Ball Valve

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,…
Max-Air Technology
September 23, 2015
Case Studies

Fail-Close Plastic Ball Valve w/ Speed Controls

  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…
Max-Air Technology
September 23, 2015
Case Studies

Gear Operated BFV w/ 3 Foot Extension

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…
Max-Air Technology
September 21, 2015
Case Studies

Modulating Fail-Close Assembly w/ Bypass

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…
Max-Air Technology
July 30, 2015
Case Studies

Fast-Close Water Actuated Assembly

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…
Max-Air Technology
July 30, 2015
Case Studies

Manual SS Butterfly Valves w/ Limit Switch Kits

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 Technology
July 30, 2015
Case Studies

30” Double Offset High Performance

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.
Case Studies

LockMesh or Stainless? “That IS the question”

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 Technology
April 30, 2015
Case Studies

Plastic Assemblies

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.
Max-Air Technology
April 16, 2015
Case Studies

Jogging High Performance

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…
Max-Air Technology
April 14, 2015
Case Studies

4-20mA Modulating Double-Acting Actuator

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…
Max-Air Technology
April 14, 2015
Case Studies

Heavy Duty Proximity Sensor

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
Max-Air Technology
April 14, 2015
Case Studies

Highly Polished Disc 24” BFV

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.
Max-Air Technology
April 14, 2015
Case Studies

4” Butterfly Valve Tee-Assembly

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 Technology
April 14, 2015
Case Studies

Automated Industrial Basket Strainer

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…
Max-Air Technology
April 14, 2015
Case Studies

Lock Mesh Monster

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.
Max-Air Technology
April 14, 2015
Case Studies

Manual CS Ball Valve w/ Limit Switch

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…
Max-Air Technology
April 14, 2015
Case Studies

Manual Gear OP with Limit Switch

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
April 14, 2015
Case Studies

Complete Stainless Steel Package

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…
Max-Air Technology
April 14, 2015
Case Studies

Manual Plastic Ball Valve w/ Limit Switch

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…
Max-Air Technology
April 14, 2015
Case Studies

Jogging High Performance

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…
Max-Air Technology
April 14, 2015
Case Studies

Extended Travel Stop

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.
Max-Air Technology
April 14, 2015