Rotork Fluid Systems manufacture double-acting actuators in many configurations. Uses of Double Acting Actuator. Stainless steel ball valve in compact design. pneumatic valve actuator ARP series 90 rack-and-pinion double-acting Torque: 9 Nm - 4,800 Nm The Series ARP is of rack and pinion construction. rotary rack-and-pinion piston. The actuator drives a valve (spool, poppet, etc.) Double acting actuator that requires hydraulic power to both open and close, providing positive control during operations Balancing stem that allows gate to stay in position unless hydraulic power is supplied to actuator to positively open or close valve Double-acting actuators are the most popular choice for their lower cost and superior longevity. Versatile. Quick and easy to install with standard ISO5211 valve mounting pad and double square female output drive. Adjustable Choke. N ominal size: 19mm to 102mm. 3.high quality and reasonable price. 2 Way High Pressure 5000PSI Electric Ball Valve. These actuators are very friendly and widely used to operate quarter-turn valves. Pressure will remain on both sides of the actuator to keep the valve in place. The RPDA actuator incorporates a crank-arm mechanism specifically designed for the rigors of throttling control valve applications. The extruded AL-profile body is constructed from pressure diecasted . Air supply pressure range from 2 to 8 bar. New ATD series pneumatic actuators are adopted, with double-acting and single-acting (spring return), gear transmission, safe and reliable; large-diameter valves adopt AW series pneumatic actuators fork-type transmission, with reasonable structure, large output torque, and Double acting and single acting. Description. The HPW/HPL is a high performance soft seated, metal seated, fire safe butterfly valve. For higher and lower temperature applications, consult factory. 1.single acting and double acting. Place four-way valves between the pressure source and a double-acting cylinder. Please rest assured to buy or wholesale customized double acting valve actuator from our factory. Double-acting actuators have air or liquid supplied to both sides of the piston with one side at higher pressure, which achieves the movement required to actuate the valve. In NFPA diagrams, P represents the pressure source, T represents the tank, and A and B represent work ports. 4.Valve options: pneumatic actuator ball valve, pneumatic actuator butterfly valve, pneumatic angle seat valve, pneumatic gate valve or pneumatic stop valve. The unique single moving vane design delivers greater accuracy for modulation. F. Pneumatic Single & Double Acting Diaphragm Valve Specifications Model PDPVY Size 1/2" to 4" Diaphragm Rubber / Teflon Seals Rubber / Teflon Actuator Double & Single Acting Temprature Upto 80C Pressure Upto 5 Kg/Cm Ends TC End Inquiry Now Previous Next Specialist actuator manufacturer with unwavering focus on serving valve OEMs and end users. High Performance Butterfly Valve. rotary Scotch yoke double-acting. 4. In Stock. Kimax Pneumatic Double acting Actuator. Pneuamtic Actuation falls under two main categories; Double Acting (air open/air close) and Spring Return (air open/spring close or vice versa). Widely used for various industries such as water treatment, packaging machinery and so on. HK59DW Pneumatic Food Safe Butterfly Valve. Back; Flow Head Assembly. Keep in mind that 2-position, single solenoid valves have a spring return. As a result, these actuators provide full control over the connected valve. This item is NOT eligible for returns or cancellations. Series 92 Double Acting Pneumatic Actuators are completely enclosed and self-contained. Maintaining a fail-safe is vital for facilitating a safe process shut down. Our actuators are also highly durable, with millions of units in operation worldwide. This Module will concentrate on the two major ones: In 2014, Bray made some improvements to the piston design of the 920920-11300532 actuator. Unleash your plant's full potential. Air to open and air to closed. Part Number: 92093011300532. These valves are also known as cartridge valves, and they screw into your mounting block. Output torque range from 8Nm to 4678Nm. Tel: +86-577-66998661. 1. Double Acting & Spring Return Pneumatic Actuat Limit Switch Box for Pneumatic Actuator Others Also Bought SKU: Electric Actuator From $181.50 In Stock SKU: A69 5 Way 2 position solenoid Spring valve From $93.50 In Stock SKU: APP53 5 Way 3 position Pilot/Pilot valve closed centers From $154.00 In Stock SKU: APS52 5 Way 2 position Pilot Spring Valve 3D - Solidmodel. Download our Products & Services Guide (PDF). Pneumatic Actuator. Remote Size Tool Browser. When to Use a Double-Acting Actuator Double-acting actuators are ideal for high cycle applications and/or applications where the valve failing to the closed (or open) position when power is lost does not present a critical issue. It is using the pressure of compressed air to drive the opening and clos. In typical application of the ball valve, control valve, and choke valve, there are two types of actuator that is used, the spring return (or single acting) actuator and the double acting actuator. pneumatic valve actuator CP Linear Actuators. MSC #: 86442662. Double-acting actuators are simply more reliable over time since most systems and valve applications are designed for long-term use. Double-acting actuators have air or liquid supplied to both sides of the piston with one side at higher pressure, which achieves the movement required to actuate the valve. This is the most common way to extend and retract a double-acting pneumatic actuator, pressurizing one side of the cylinder while exhausting the other. For technical drawings and 3-D models, click on a part number. The valve has a full port, a blowout proof stem along with a double acting actuator. Use in zone 1, 21, 2, 22 . 2.long service life. Each single-acting actuator consists of a piston, centering spring, and centering . The actuators are available in air-to-open (normally .. 8866R512ADP55. DOUBLE ACTING PNEUMATIC ACTUATOR - KTN RDE. Actuators are field convertible from double acting to single acting and vice versa. Broad range of actuators, both Double Acting and Spring . Finally, when the power or signal is lost, we have to consider the position of the valve. Use the Hydraulic Double-Acting Valve Actuator block as a pilot actuator for directional, pressure, or flow control valves in applications where all the forces, except spring force, and flow consumption can be neglected. Double Acting Pneumatic Where . Hard anodised or nickel plated housing option for all aluminium body actuators. The ECON double acting pneumatic actuator is designed to include a compact rack and pinion design and the use of aluminum parts. 1.1.1 This service procedure is offered as a guide to enable general maintenance to be performed on Bettis CBB double-acting series actuators. The double-solenoid type has two solenoid coils, while the single-solenoid type just has one. Key Features. Ideal for work, use the ACTREG interface to calculate torques with and without safety factors, and do your own configuration with ACTREG actuators.You can also convert any unit of measurement, dimensions, torques, temperature and materials equivalences from most common standards. The pilot air is typically controlled by a 4-way . How 90 degree turn double acting and spring return actuators work. The actuator consists of two single-acting actuators acting against each other. Actuator Type Pneumatic Double Acting w/Solenoid Valve Type Ball Pipe Size 1 Material Reinforced PTFE Seal Material Reinforced PTFE Number of Pieces 2 Maximum Working Pressure 720psi End Connections Threaded (BSPT x JIS) Port Type Standard WOG Rating (psi) 720. P Phil Hughes May 4, 2003 #5 Rog is correct, if you end up using a double acting actuator instead of a spring, you can have a back up cylinder. The actuator accepts a signal from the control system and, in response, moves the valve to a fully-open or fully-closed position, or a more open or a more closed position (depending on whether 'on/off' or 'continuous' control action is used). Drawings RC200 DA - Double Acting. Use the Hydraulic Double-Acting Valve Actuator block as a pilot actuator for directional, pressure, or flow control valves in applications where all the forces, except spring force, and flow consumption can be neglected. Double Acting Pneumatic Actuator. Acting type: Double Acting; Operating Temperature: 14 to 176 Double Acting Actuators Performance Highligts Industries Request a Quote Spring Return Actuators Highlights To provide proper failure position, ATI spring cartridges allow for fail open or fail closed valve applications. Reactor control system CONCLUSION Here you have our recommendations following different criteria: Gate Valve S200 - FLS Type. Version 2.44. Back; Positive Choke. This configuration uses pneumatic or hydraulic pressure of the air or liquid to open or close the valve, and a spring affects the opposite motion. A double-acting scotch yoke actuator requires air pressure for both the open and close stroke, as the spring is missing. Double Acting Double acting pneumatic actuators require air to be used to move the piston in either direction. If pneumatic power is lost, then the actuator will remain in its last position. A spring is the only true mechanical failure method. Features: Pressure Rating: 1000 PSI WOG - 150 WSP - 1/4" to 3". Double-acting actuators do not have an inherent fail-safe action. Double action is a control valve that is driven by the output air of control valve positioner on both sides (sides open and close). Pressures at ports A and B tend to open the valve, while pressure at control port X together with the spring force act . Single coil versions will cause your actuator to be fail closed or fail open on loss of power. (pn10 to pn40 covered) End connections: ASME B16.34 class 150ASME B16.34 class 300 DIN PN16PN25PN40 JIS 10K20K Body : CF8CF8MCF3MWCB Seat : PTFEPEEK Pneumatic Actuator:Double acting,Single acting normally closed, acting,Single normally open M aterial options: Stainless steel 304/316/316L. 5.Piston shaft: nickel . They are either spring return (single- acting) and double - acting. Our series of KCQDA for adjustable type 90 rotation pneumatic air actuator is suitable for ball valve, butterfly valve, or damper actuating. Since there is no spring force to overcome, a smaller actuator can often be used. As a default, AVCO sizes actuators on an 80 psi air supply, but torque values are provided for other air supply pressures as well. The double acting actuators can be reliable, but they are far more complex. Simple. Actuators. Hydraulic Choke. Available in a wide range of materials including: Nylon, Acetal, Nickel Plated Brass, Stainless Steel (303, 304 or 316 . ; Espaol; Deutsch; Portugus; COVNA provides rack and pinion pneumatic actuators in double-acting . Zero leak stop bolts achieved by carefully designed seals. The Double Acting pneumatic actuation is most often used for valves with longer strokes (valves with larger port diameters). They allow you to pressurize and vent each side of the actuator's pistons. Description. 1.Movement: Standard adjustable 90 % 2.Body: hard anodized extruded aluminum alloy and stainless steel. Flow is fully opened or closed in both directions. Chokes. All double acting and spring return units are suitable for both on/off and throttling applications. Our double-acting hydraulic valve actuators are designed to suit a wide range of applications; from commodity to severe-service extremes. Fail Safe Actuator. Ltd best-selling products. So with an energized valve, if the double-acting cylinder it's connected to is extending, that cylinder will retract . EL-O-Matic Pneumatic actuators are strong and conservative double rack and pinion units for use with ball, butterfly and Plug valves and any gadget requiring precise and trustworthy quarter turn revolving movement. 920930-11300532 is now replacing the 92-0920 Double Acting actuator. Our parts specialists are standing by to assist: (800) 792-7427. Product Description Double acting valve actuator is one of the Zhejiang Jimai Auto-Tech Co,. Configure your cylinder today. This is what our fault finding below will cover. Four-way and five-way solenoids may have either one or two electromagnetic coils. Widest range of torque selections available, from 5 N-m to 7,800 N-m (44 lb-in to 69,000 lb-in) One of the best torque to weight ratios in the market. The double acting actuators have a linear torque output for smooth operation throughout the valve cycle. The Bonomi 8P0133 includes a PTFE seat material with an O-ring backing allowing for low operating torque. Double-acting pneumatic actuator means that both sides of the cylinder piston need air pressure to push the piston. ; Espaol; W orking pressure: PN10, PN16. A solenoid valve is used to control the air flow into and venting of the actuator. Connections are either wafer style . Description: The Becker Rotary Piston Double Acting (RPDA) Actuator is designed for heavy duty control applications that require optimum performance. Body material is either Carbon steel or 316 Stainless Steel. Cement Valve - Plug Type. pneumatic valve actuator GT. Double-acting actuators have air or fluid provided to the two sides of the cylinder with one side at higher pressure, which accomplishes the movement required to . All action surfaces have high quality gears, resulting in low friction , long service life and minimal noise. . The double-acting actuators required air supply twice to complete one cycle. Modifications can be made to the actuators to achieve closing speeds as fast as 0.1 seconds. Double-Acting Hydraulic Actuator Compact. Check Valve - MS Type/R Type. Seeking expert advice? Double acting actuators use air pilot pressure to open and air pilot pressure to close. The air on the sides of the two pistons is discharged through port B. These actuators are lightweight and compact. FRAC Valve - Ball Screw Operated. The Double Acting Pneumatic Actuators provide 90 and 180 Rotation. Standard units have anodized aluminum bodies with polyester coated end caps; special coatings and materials are available for high temperature and/or corrosive environments. Also available in carbon steel and stainless steel enclosures. Upgrade to the ML Series. Four-way and five-way solenoids are primarily used on double acting actuators. Although the part numbers are slightly different, the actuators are the same form fit and function. As the others have said use a spring return actuator, however if a double acting actuator must be used, provide a back up air cylinder to drive the valve closed in the event of an air supply failure. W orking temperature: -10 to 180 (14 to 356) The double solenoid valve requires the coil on the other side to get electrified . Drawing PDF. Double-Acting Valve Actuator Designed and engineered for severe-service applications, the A Series bore sizes range from 4" to a whopping 42" diameter. ON-OFF Type: The Active Contact Signal, Passive Contact Signal, Resistance, 4-20mA. The KTN RSE is our simple effect pneumatic actuator, its design has been updated in accordance with the latest international standard : ISO5211, DIN3337 , VD / VDE3845 and NAMUR. In applications with valves smaller than 10 inches, the double-acting actuator can also be used if there is a high torque required, in addition this actuator is more stable which offers more reliability in systems with sudden condition changes. Size: " - 12 (15mm - 300mm) Temperature: -46c to 343c Pressure : ASME class 150ASME class 300. Telephone: +86-769-22763199 Fax: +86-76922825120 Mail:info@covna-china.com Head Office: #C, Longchang Micro-Chuangyuan, Dongcheng DistrictDongguan City, China, 523000 Tailored end caps for double acting applications for reduced air consumption. There are several ways of providing this actuation. Email: sales@jimaiv.com. pneumatic valve actuator rotary double-acting Torque: 17 Nm - 5,000 Nm Aluminium actuators, 0-90 or 0-180 rotation angle to pilot ball, butterfly and plug valves . NAMUR port pattern for solenoid valves/sensor boxes to VDI/VDE 3845. This block represents a double-acting hydraulic valve actuator driven by three pressures. AT/GT series pneumatic actuators.DA and SR pneumatic actuators are design to work with Butterfly Valves and Ball Valves. The following is a list of general CBB model numbers. Drawing DWG. Tel: +86-577-66998661. Valworx 530050 rugged rack and pinion air actuators are typically used to operate quarter turn ball valves, butterfly valves, plug valves and dampers. The actuator consists of two single-acting actuators acting against each other. Established in 1987, Pneumatic Products is an Australian-owned company providing industry-best products, intelligent solutions and exceptional service - helping your company improve productivity, efficiency and profitability. Ball valve actuator with double or single-acting quarter turn actuator DAPS. Email: sales@jimaiv.com. CBB Model Numbers MODEL (1) MODEL (2) MODEL (3) We also offer a wide range of automation options. Basic linear air cylinders are used to provide straight-line, in/out linear movement for a variety of applications. This is extremely important in emergency shutdown applications. Kinetrol's double-acting vane-type rotary actuator models are renowned for their reliability & efficiency, with up to 4 million operations guaranteed giving long maintenance-free life. When there is pressure on one side of the piston and there is no pressure on the other side, the piston will move to the side with low pressure, and the cylinder will generate a thrust in one direction. See at the bottom of the page for A Series add-ons. The working principle of double acting pneumatic actuator is that when compressed air enters from port a, the left and right pistons move in the opposite direction. After the solenoid valve is disconnected with power, the solenoid valve automatically resets. whose position depends on pressures at ports A, B, and X and the force of the spring. As one of the most professional double acting valve actuator manufacturers and suppliers in China, we're featured by quality products and competitive price. The all-in-one ACTREG interface is a "must have" for the modern automation valve business. Table 1. AT050 Electric Valve Actuator , AT Butterfly Valves Double Acting / Single Acting. High visibility indicator and Double End Stops are standard. Available as single acting (spring extend or spring return actuators) and double acting styles with single rod or double rod configurations, non-rotating, and precision non-rotating models. Apart from the position indicator, all versions are without any external moving parts. Double Acting Hydraulic Series The Valveworks USA Double Acting Hydraulic Series consists of a lineup of actuators with reliable, proven designs that are engineered and manufactured to meet the requirements of API 6A. What is Sigle Acting Actuator & Double Acting Actuator #Application Tips 1 StephenMFG@gmail.com Pressures to 150000 psi (10342 bar) Six sizes of air operators (light, heavy light, medium, heavy duty or extra heavy, single and double stage) are offered for remote on-off operation or automatic operation of Autoclave Engineer's low, medium or high pressure valves. . Well Testing Equipment. The Series 92/93 actuators were designed primarily for pneumatic operation up to a maximum pressure of 140 psig (10 Bar) and for temperature ranges of -4F to 200F (-20C to 93C). has the advantage of fast acting. 16MPa~50MPa, which can be used for on/off control of high-pressure water, pressurized natural gas, hydraulic oil and other medium. Maintain last fail position Loss of actuating power may occur during the routine operation of a pipeline. Check out Assured Automation's custom High Performance Butterfly Valve with double acting actuators for PSA nitrogen skid. The slide valve of the single solenoid valve features the spring resetting. Built with a Stainless Steel body along with a stainless steel ball. 3.Actuator type: double acting pneumatic actuator and spring return (single acting) pneumatic actuator. For most valve actuation a 90 degree turn rack and pinion pneumatic actuator is used such as our DA or SR series. electro-hydraulic valve actuator linear servo-motor double-acting . Regulation Type: Input & Output Signal: DC 4-20mA, DC 0-10V, DC 1-5V. C onnection options: Threaded. A double acting actuator is best in this situation as it will maintain the last position it had. This is because using a spring-assist in either the open or closed direction would necessitate a long actuator to accommodate the spring, making the valve envelope size quite large. Mud Valve - Demco Style. Each single-acting actuator consists of a piston, centering spring, and centering . Delivering thrust up to 1,500,000 lbs and SIL-3 Capable. RC210 - DA. Great for mounting on ball valves and butterfly valves they are durable and easy to use. Double Acting Actuator. This configuration uses pneumatic or hydraulic pressure of the air or liquid energy to open and close the valve. pneumatic valve actuator RC200, RCI200. pneumatic valve actuator MPA-10 linear double-acting S ealing options: PTFE or Food grade silicone. At this time, the output shaft rotates counterclockwise. Fluid Power Actuators. The Hydraulic Actuation allows for hydraulically powered operation to open and close the gate valve. Features Thrusts up to 425,000 lbs SIL 3 Capable (IEC 61508)

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