The air torque actuators are manufactured under a quality system independently assessed and approved to iso 9001. Actuator suitable both for indoor and outdoor installation. The air torque s series stainless steel actuators is a corrosion resistant actuators line specifically engineered for high corrosive environments and for sanitary applications. Through daily effort air torque strives to supply customers with pneumatic actuators for industrial valves with high content of quality and innovation. It is important that the use and maintenance of the actuator is made only by properly trained personnel. Keystone f89 pneumatic quarterturn actuator general purpose hazardous area principle of operation both the double acting and spring return actuators feature a compact design each with their own set of end caps. A the above indicated moving time of the actuator is obtained in the following test conditions.
Available as double action air air or spring return with torque outputs for small to large valves. Ait also carries a line of manual gears boxes, locally stocked in houston, tx. The maximum particle size must not exceed 30 microns. On loss of air pressure air or electric failure at port 2 allows the springs to force the pistons together with the exhaust air exiting at port 2, a clockwise rotation is achieved. Air torque actuators are supplied with a label showing all this informations. Actuators are available in a wide range of materials suitable for use in the most demanding applications. This actuator is a rotary motion device ideal for all types of rotary valves. The spring return actuator has four different torque values. Loss of air to port 2 causes air to exhaust and the actuator turns cw. Before disassembling the motor, disconnect the primary air hose to ensure that the air supply is interrupted. The ngseries design facilitates ease of service while the actuator is valvemounted. Pressure ranges filtered dry or lubricated air for noncorrosive gas, water or light hydraulic oil. Spring return unit weights are will full set of springs per.
Loosen the end cap fasteners 22 with a wrench size varies depending on actuator model. Automax valve automation systems quality, dependability and productivity recognized as the leader in valve automation systems, automax pneumatic actuators can automate valves with torque values from 25 to 2. According to 9723 ec ped atex version in conformv with directive 949ec request working condition temperature. Chemical, nuclear, electronics, automotive, food and beverage, pharmaceutical. As shown in figure 1, the number of vanes determines whether an actuator is a single vane or double vane type. Ktm pneumatic actuators ak series for small and middle sized valves spring return spring return double acting double acting parts list no. For proper actuator selection, it is imperative to know the minimum and maximum air supply pressure for all pneumatic actuators. Our standard besttorque actuators type ap, a rack and pinion design, are supplied in 2 different types, double acting 12 types and single acting 11 types. Pneumatic actuator products air motors catalog 0900p4 features important. Air torque output, nm g01x08sr0 start 2,748 1,491 1,654 1,818 1,981 2,145 2,309 2,472 min 1,233 579 667 754 841 928 1,014 1,100 11. Pneumatic actuator air torque at model, an air torque rack and pinion actuator, delivers high performance and reliable control, utilizing the latest available technology and materials. A simplified diagram of a pneumatic actuator is shown in figure 1.
The normal life span of the actuators is associated with the normal operating time. For proper actuator selection, it is imperative to know the minimum and maximum air supply pressure for all pneumatic actuators, and. No special blocks are required to mount solenoid valves, limit switches or positioners. Air torque gmbh, located in ettlingen at the foothills of the black forest, is your technical partner for pneumatic and electric actuators.
For springreturn units, both the spring torque and the air torque must exceed the required operating torque for the valve. According to the first principle, multiposition actuators consist of two separate cylinders which are connected together by a kit and have piston rods that extend in the opposite direction. Springreturn operation, fail closed select the actuator whose torque output, at the minimum air supply pressure, at the end of spring stroke, exceeds the torque required to close the valve springreturn operation, fail open select the actuator whose torque output, at. For optimal operation, bitorq actuators should be run with a supply of clean, lubricated air. Remove all air and accessories from actuator prior to removal from equipment. Actuator reliability is critical for plant and personnel safety. For applications outside this range, please consult the factory. Established in the early nineties the location rather quickly became too small. Once the minimum actuator torque has been computed, refer to the actuator manufacturers specifications for selection of the appropriate actuator. The new 4th generation rack and pinion pneumatic actuator has been designed, developed and tested incorporating the latest technology and materials. Advanced industrial technologies ait is the exclusive north american distributor for air torque pneumatic actuators. In a rack and pinion type actuator the lineair kinetic energy is directly transformed into a quarter turn operation with a constant output torque over the full stroke. Ndansr pneumatic actuators double acting or spring return. The necessary moving into a new building complex took place in may 1999, which was fitted with an extended functional large.
To help achieve this industry rating, the actuator incorporates a proven design with a quad sealed torque shaft, two independent seals on the. The unit can be converted from double acting to single acting or reverse in the field without the requirement of special tools. Chemical, nuclear, electronics, automotive, food and. The intermediate position is achieved by a mechanical stop of movement on the 2 auxiliary pistons. The code numbers after the da letters, always correspond to the breakaway torque in nm by 5,6 bar air supply. Whilst the pneumatic cylinder remains the most widely used pneumatic actuator industrially, there are a plethora of other actuators that use the power of compressed air.
They are specifically designed for quarterturn applications, including ball valves, butterfly valves, dampers and plug valves. Modular design utilizing same body and end caps for both doubleacting. Multiple choice of iso flange and drive shaft connection for each actuator size. All moving parts are factory lubricated for entire life cycle of actuator. Cba300 series pneumatic actuators emerson electric. Please read these instructions carefully and keep them for future reference. Before beginning disassembly, ensure that the air supply to the actuator has been disconnected, all accessories have been removed and that the actuator has been dismounted from the valve. Namur mounting namur vdivde 3845 and iso 5211 dimensions on all sizes. Parts name 1 body 2 stem 3 oring 4 stopper 5 top cover 6 backup ring 7 oring 8 stem bearing 9 oring 10 cap screw 11 indicator 12 oring snap ring 14 stopper bolt 15 seal washer 16 nut 17 piston 18 o. Actuator air supply pressure psig size40 60100 12080 start clockwise spring stroke start end counterclockwise air stroke single acting torque curves spring return end size06 0812 09 double acting 3. Please read these instructions carefully and save them for future reference. Supplier of actuators hampshire, illinois american.
American precision supply is one of the midwests leading distributor of electric, pneumatic, single and double rack and pinion actuators, control valves, limit switches, and solenoids. The air torque pneumatic rack and pinion actuator is designed for all industrial applications. Mainly based on the 4th generation upgrade series, but available also on pt series, the special actuator range counts on. Pneumatic actuators double acting or spring return, ndansr the nibco series ndansr pneumatic actuator features a patented spring design and a durable anodized extruded aluminum body. Twin piston rack and pinion actuator design suitable for both indoor andoutdoor installation. Air torque pneumatic spring return actuator the macomb group.
Power technology line pt n series pneumatic actuators. Lecture 37 pneumatics actuators learning objectives. The vanetype rotary actuator is like the vanetype pneumatic motor, but its revolving angle is limited and its output is determined by the vanes pressurereceiving area and working air pressure. We carry products from air torque, asco, hytorkemerson, sharpe, topworx, pentair, westlock, and xomox. Prisma pneumatic actuators are available in double acting and spring return, covering a torque range from 17nm to 65. Silsafety manual for air torque 4th upgrade series actuators. We want to offer the turnkey solutions for valves automation through the design, the supply and the after sales support for all of our actuators produced. For reverse acting actuators apply air to top of actuator before removing mounting bolts. All technical data in the catalog are typical values. Many industrial applications require linear motion during their operating sequence. Search in air torque catalogs and technical brochures on directindustry and find the information you need in 1. Spring return actuators air to port 2 the right hand port causes the actuator to turn ccw. Costa di mezzate italy and all rights of use and reproduction are reserved.
These actuators offer an extremely long cycle life and are well suited to operate almost any type of rotary. Societa uninominale via alla campagna, n1 24060 costa di mezzate bg italy tel. The cba300 actuator is independently certified to iec 60529, ip66 and ip67m water ingress protection to prevent corrosion. Iso 5211, din 3337 and vdivde 3845, temperature rating. This line is manufactured by using high quality forged stainless steel housings material in. Rodless actuators rodless cylinders differ from a basic air cylinder in that no piston rod extends outside the cylinder body. Namur vdivde 3845 and iso 5211 dimensions on all sizes. Smcs pneumatic rotary actuator units can achieve arc lengths of 90, 180, 190, or even 270, depending on the configuration. With advanced corrosion resistance, water ingress protection, high wear resistance, the ngseries provides a long service life that meets plant lifecycle. Pneumatic actuator operating conditions 40 psig to 100 psig 3 bar to 8 bar 1. This torque curve covers most quarterturn applications. Founded in 1990, air torque spa has become in few years one of the worldwide leading manufacturers of rack and pinion pneumatic actuators in aluminium.
Advanced industrial technologies pneumatic actuators. Upon request air torque actuators can be specially manufactured for fast acting operations. Pneumatic actuators actuator output torque charts double acting actuator output torque inlb model input air pressure psi number 44 58 73 87 102 116 da32 40 5 66 80 9 106 da45 80 106 1 159 186 1 da52 106 14 178 1 50 85 da63 189 51 14 77 440 50 da75 66 56 445 5 4 6 71 da83 404 5 8 67 807 94 1076 da92 60 804 1005 1 05 1407 1608. For rack and pinion construction the output torque of an actuator is calculated by multiplying the piston force given by air supply pressure with the pitch shaft. For direct acting actuators, air may need to be applied to actuator before removing. Silsafety manual for air torque 4th upgrade series. Pneumatic actuator pneumatic actuator c15 only code spring combinations 1a 1b spring combinations c20c75m code spring combinations 2ab 2a 2a2b sizing a spring return actuator requires that the torque output at the start and end of both the spring and air drive strokes is greater than the valve torque at that position. Placed in the north italy, 60km far from milan, in less than 20 years the air torque brand clearly identifies the pneumatic actuators, becoming synonymous of quality, design and reliability. The torque output of the actuator depends on the actuator area, pneumatic supply pressure, spring stiffness, distance traveled, initial compression of the spring, the number. It operates by a combination of force created by air and spring force. The actuator type, size, operating pressure, output torque, direction of rotation, orientation of failure mode, operating temperature and drive type are determined by actuator designation.
One of the simplest and most cost effective ways to accomplish this is with a pneumatic actuator, often referred to as an air cylinder. Consumption per stoke in liters, pressure in barg actuator model maximum volume in liters outward stroke inward stroke central1 end cap2displace3 doubleacting and springreturn doubleacting only chamber chamber volume 2. An actuator is a device that translates a source of static power into useful output motion. Actuator air volumes and consumption actuator volumes. What is a pneumatic rotary actuator and pneumatic chucks. The pt n series pneumatic actuators are available in. Pneumatic actuator parts list bitorq valve automation. For a correct sizing, the torque curves of the actuator in both strokes have to be higher than the valve torque curves. This diverse line of manufacturers ensures that well have the product that fits your requirement, with. Twin piston rack and pinion actuator design suitable for both indoor and outdoor installation.
Torque pneumatic spring return actuator sheet no gpm 1. Pneumatic multiposition actuators are available with two different functional principles. Before carrying out service activities, make sure the air motor is vented. For severe duties select from the protection level table or contact air torque. Protection and corrosion resistance pt n series pneumatic actuators are available in 6 different protection levels suitable for different environmental conditions. Air torque is the sole worlwide player offering the hugest special actuators portfolio.
All actuators can be mounted onto any kind of valve, due to the wide range of mounting kits that prisma develops and produces. The actuator positions a control valve by transmitting its motion through the stem. Canted canted yoke design moves the torque curve to where its needed most, gaining as much as 35% more break and reseat torque for the same size actuator. Actuator torque output charts are shown on pages 12 and. For the use, installation and maintenance of air torque actuators it is recom mended to comply to the safety notice and to use proper equipment to protect health and prevent accidents. A rubber diaphragm separates the actuator housing into two air chambers.
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