Hydraulic and pneumatic actuators and their application areas. Definition of valve torque the purpose of this manual is to provide a simple yet accurate procedure for sizing actuators to flowserve. Ngseries actuators provide up to 900,000 lbin of torque output in a doubleacting configuration. The re series is provided with an e xternal adjustment system, that offers high precision on rotation adjusting, even in complicated applications. Method of operation pneumatic actuators kitz corporation. Alphair pneumatic actuators are compact, sturdy and reliable.
Air to port b forces the pistons inwards, causing the. Pneumatic actuators sometimes called cylinders are the product used to provide motion and force to industrial automation applications. The sylphon pneumatic engine functions by the same principle. Alphair pneumatic actuators, series i, y and x have an internal adjustment system that avoids sideloads on pistons, shaft and body at every feeding pressure in the endrun position. With over 20 years of experience, we are a leader in the valve automation industry in performance, reliability and quality. Alphair pneumatic actuators are the out come of the best knowhow in design and manufacturing. The mg magnetic linear cylinder has no mechanical connection of the carrier to the piston resulting in easy rotation of its mounting block for mounting flexibility. A movieslideshow presenting the rotex ecv infinity rack and pinion actuator, the drs scotch yoke actuator, and the drc and drv large rack and pinion actuators. Magnetic cylinders are an excellent choice for applications with environmental concerns. Electric actuator torque outputs are shown on page 12. Piston, piston guides, racks and pinion are molded from nylon 66 resin for high impact resistance and durability.
Rotex is a leading manufacturer and exporter of fluid control. The design of the ngseries facilitates ease of service while the actuator is valvemounted. Pneumatic actuator products product selection chart catalog 0900pe. Electromechanical systems power density capability electromagnetic motors, generators, and actuators are limited by magnetic field saturation and can produce up to about 200 pounds per square inch of actuator. All moving parts are factory lubricated for entire life cycle of actuator.
Sep 26, 2017 the most popular style of pneumatic actuator consists of a piston and rod moving inside a closed cylinder, designed to move in a straight line to deliver linear motion. Body and end caps are 316ss polyester glass filled or aluminum castings, coated with. Hydraulic and pneumatic actuators and their application areas elena ponomareva. Esr econ spring return actuators flow control experts. Magnetic linear cylinder mg by tolomatic tolomatic. Series 34 pneumatic actuator series 39 pneumatic actuator access actuator pneumatic actuator with process interface features compact scotchyok. Pneumatic actuators use pressurized air to operate a valve. Rotadisk pneumatische schwenkantriebe rotadisk pneumatic. Pneumatic actuators unitorq actuators and controls manufacturer and distribute superior pneumatic actuators, electric actuators, limit switches, positioners and. Method of operation pneumatic actuators compressed air from the compressor is stored in an air tank and then fed through a pipeline system to the necessary areas of the plant. Quifer actuators is also manufacturer of manual gearboxes. Shadow air muscles should never be operated above 90 psi 6 bar. Bl pneumatics offers a comprehensive range from all the leading manufacturers with a choice of vdma.
Actuators are devices that convert some type of stored energy into motion. In essence, actuators generally represent the business end of any pneumatic system, providing the means by which specific tasks such as. The simplest actuator is purely mechanical, where linear motion in one direction gives rise to rotation. The quarter turn actuators dfpdc and dfpdcvde2 are equipped for the harsh conditions in the chemical industry and set a new benchmark thanks to their excellent features. Pneumatic grippers for complete information, refer to catalog 19002 j air motors p1vs series. It is typically stored within a sealed cylinder made in most cases from metal. The econ spring return pneumatic actuator is designed to include a compact rack and pinion design and the use of aluminum parts. O series pneumatic valve actuatorsspring return and. Engineering excellence and precision manufacturing has produced. A pneumatic actuator mainly consists of a piston, a cylinder, and valves or ports. Ncbbseries the ncbbseries actuators are available in spring. The shown actuator is made of silicone ecoflex 50 and 4mm felt in passive layer.
A pneumatic actuator is highly nonlinear due to the compressibility of the air, the nonlinearity of the mass flow rate, and the variation of the friction. The most common actuators are electrically powered. Compressed air from the compressor is stored in an air tank and then fed through a pipeline system to the necessary areas of the plant. O series pneumatic valve actuatorsspring return and double. Although theyre not electromechanical devices like the other actuator types, their prevalence in automated equipment makes pneumatic driven versions an important category of linear actuators. Pneumatic grippers for complete information, refer to catalog 19002 j air motors p1vs series for complete information, refer to catalog pde2554tcukul k complementary products linear alignment couplers, flow controls, 4tk air oil tanks, prl series, transition kits l. How to decide between a pneumatic and an electric actuator.
Select the actuator whose startup torque output exceeds the breakaway torque requirements of the valve. The units are compact, yet extremely durable and available in output torques from 59 to 40,710 inchpounds based on an 80psi air supply. When the air muscle is not loaded, it must not be inflated above 45 psi 3 bar overinflation will cause the life of the air muscle to be significantly. Namur interface for direct assembly on the pneumatic actuator. Actuator stall torque is the amount of torque produced by the actuator just prior to the point where the motor stalls. These supplementary atex operating instructions provide additional information on the use of. Pneumatic actuator description the series 79p pneumatic actuator is a doubleopposed piston, double rack and pinion, quarter turn operator. Mseries pneumatic actuators are made from the highest quality materials and designed to withstand the toughest environments. Position control of pneumatic actuators using threemode. Nafturnex pneumatic actuators naf 7912909294, sizes 0, and 45 maintenance instructions and spare parts list fi 74. For use on quarter turn 90 degree ball valves, plug valves, dampers, and resilient seated butterfly valves.
The ktork range of highperformance actuators is wellsuited for the most demanding industrial applications. With 40 years of experience in automation we are able to meet the current requirements of the valve market and. Accessories include switches, relays, power supplies, linear guides, and more. The air muscle is a pneumatic actuator and so the following guidelines must be adhered to. The tolomatic mxpn internal bearing compact air cylinder offers a spacesaving design over typical rod type air cylinders. A pneumatic actuator for example, an air cylinder converts the energy from this compressed air into motion. The stored energy is usually in the form of compressed air pneumatic pressure, electrical potential, or liquid hydraulic pressure. The basic scheme of the membrane pneumatic actuator is shown in. A pneumatic control valve actuator converts energy typically in the form of compressed air into mechanical motion. Series 34 pneumatic actuator series 36 electric actuator. The hps pneumatic linear actuator combines hepcomotions proven v guide technology with an extensive range of high quality pneumatic rodless cylinders.
Mppl flush bottom valve close into the tank bottom disc end leaving no space nor material unchurned during agitation which qualifies the validation of gmp4. During 45 years of engineering and manufacturing excellence, rotex has numerous valve actuator installations worldwide, including hostile ambient temperature environments. Hps pneumatic linear actuator for harsh environments. Rotex automation limited is established in the year 1983, as leading and well known manufacturer, supplier and exporter of premium quality solenoid valves.
A pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. Single acting pneumatic actuators for opening and closing. The actuator must be removed from the valve for overhaul and repair. Pneumatic actuators are used to provide automatic or semiautomatic valve operation, and are the most popular. By reading down the 6bar column the figure below n. A compliant hand based on a novel pneumatic actuator raphael deimel 1oliver brock abstract the rbo hand is a novel, highly compliant robotic hand. It keeps the air in the upper portion of the cylinder, allowing air pressure to force the diaphragm or piston to move the valve stem or rotate the valve control element. Position indicator for onoff, with 3position system. Table of contents series 9091 pneumatic actuator 23 series 9293 pneumatic actuator 45 pneumatic actuators sales reference drawings. Pneumatic actuators can be executed both on onesided not reversive, and on doublesided reversive scheme. The motion can be rotary or linear, depending on the type. Having started off in 1967 with one modest industrial building, rotex now has 4 stateofthe art. They are perfectly interchangeable and suitable for every kind of valve, and, when used in their proper way, they can also last longer.
Types of pneumatic actuators animation instrumentation tools. The assured automation o series pneumatic actuators offer a simple and cost effective solution for your valve automation needs. Pressure ranges filtered dry or lubricated air for noncorrosive gas, water or light hydraulic oil. A rotary actuator is an actuator that produces a rotary motion or torque. Pneumatic actuator technology ipneumatic actuators n its basic form, a pneumatic actuator is a device which translates the energy from a compressed air supply into a linear or rotary movement. With time and advancing technology, we promise new product developments for our privileged customers. The maximum particle size must not exceed 30 microns. Solenoidpneumatic valves, iso 154071 key features pressure regulator plate with one pressure regulator pressure regulator plate with two pressure regulators versions widths 18 mm and 26 mm for pressure regulation at supply input 1 p. A compliant hand based on a novel pneumatic actuator. Consult rotex automation limiteds entire pneumatic cylinder catalogue on directindustry.
How to decide between a pneumatic and an electric actuator during my last visit to the plc production site of siemens in amberg, their operations manager told me that they are planning to replace the traditional pneumatic cylinders from the products lines. This style of linear actuator is utilized in a variety of industrial sectors, factory automation and packaging, plus transportation and life science applications. Rotex pneumatic valve actuator introduction youtube. Opening and closing of type jz, jzal, jzll, jzllal, jzhl, jzhlal multileaf dampers. Mxpn internal bearing compact air cylinder is a lowcost solution for applications requiring limited loads and bending moments. We supply rack and pinion, rod style, rodless carriage style actuators, miniature and feedback actuators. It exhibits robust grasping performance, is easy to build and prototype, and very cheap to produce. In continuation of the tradition of constant innovation and virtue in engineering, rotex actuators provide superior quality and performance. Mar 21, 2019 types of pneumatic actuators animation a pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. The gearboxes are high performance with high efficiency and constructed with nodular ductile iron. Apart from the position indicator, all versions are without any external moving parts.
Double acting actuator 052 double acting actuator standard nbr seals 120operation 063 05 hts 075 06 ht viton seals 180operation spring return actuator 083 07 for high temperature ss 092 08 stainless steel housing htdn 105 09 lt silicone seals double acting actuator 125 10 for low temperature nickel plated housing 140 11 160 12. Our comprehensive range consists of valve automation systems, pneumatics, angle seat valves, control and auto. The cost versus the benefit for using each type of actuator. The exclusive rotex vseal polymer double lip seal offers the most efficient, dynamic sealing in the industry. Pneumatic rotary actuator and accessories optionally selected as solenoid valve. Bettis valve actuators have been the standard for many industrial and energyrelated applications for more than 50 years. Remove either of the circlips 11 and press out the pin 10. From our initial offering of linear actuators and quarterturn pipeline actuation, we. They do this by applying the force of the air to a piston or a diaphragm attached to the valve stem. Flush bottom valve micro pneumatics valves, actuators. Work of the pneumatic actuator consists in moving of a rod under. Ngseries actuators provide up to 900,000 lbin of torque output in a double.
Pneumatic actuator double acting the operating principle of double acting actuator ccwcounterclockwise cwclockwise air to port a forces the pistons outwards, causing the piston to turn counterclockwise while air is being exhausted from port b. Pneumatic actuators for type jz, jzal, jzll, jzllal, jzhl, jzhlal multileaf dampers change of the damper blade position for two different operating situations control input signal. Model air supply pressure 40 psi 50 psi 60 psi 70 psi 80 psi 90 psi 100 psi. Ebro pneumatic actuators in potentially explosive atmospheres. The piston is covered by a diaphragm, or seal, which keeps the air in the upper portion of the cylinder, allowing air pressure to force the diaphragm downward, moving the piston underneath, which in turn moves the valve stem, which is linked. Rotex infinity rack and pinion and scotch yoke actuators are engineered to provide the longest possible service life for pneumatic valve actuation. Mg magnetic linear cylinders magnetic cylinders are an excellent choice for applications with environmental concerns. May 03, 2016 pneumatic or electric actuators how to decide. The aseries aseries pneumatic actuators feature a type 304 or 316 stainless steel body for rugged, reliable performance in harsh environments.
Pneumatic rotary actuator double acting and spring return the 2051qt pneumatic rotary actuators are of the rack and pinion type where the linear kinetic energy is directly transformed into a quarter turn operation with a constant output torque over the full stroke. Feature benefit one moving part simple design no lost production or downtime. The motion can be rotary or linear, depending on the type of actuator. Pneumatic actuators manufacturing actuators alpha pompe. The versatile pneumatic actuator technical data sheet bar. Pneumatic actuator dr030 multileaf damper with pneumatic actuator solenoid valve type pneumatic actuators pneumatic actuators for the opening and closing of dampers in air conditioning systems pneumatic actuators for type jz, jzal, jzll, jzllal, jzhl, jzhlal multileaf dampers change of the damper blade position for. Pneumatic actuator operating conditions 40 psig to 100 psig 3 bar to 8 bar 1. Flowserve worcester pneumatic actuators ct member login.