Pressure relief valve vent sizing and selection software. The range includes multiturn actuators valve operators aswellas quarterturn actuators with wide options of. The equations in this section use the following variables. Saftey factor a given multiple of the valves operating torque to ensure proper operation of the actuator. Whether you need the latest handheld support files, sizing or configuration tools, or visibility to performance monitoring data, our software products can help. Robo cylinder sizing and selection tool iai america. Note that the area of the seat retainer bore is not used when sizing. Crosby anderson greenwood varec pressure relief valves. Limitorque mx single phase electronic valve actuator. Anatomy of limitorque lps actuator the limitorque pneumatic scotch yoke lps heavyduty actuator is designed to meet the industrys most recent and stringent safety and performance standards for oil and gas applications. A multiturn actuator, recognized for paramount performance and unrivaled reliability. Serves applications ranging up to 60,000 ftlbs 81,000 nm torque or.
Aug 17, 2017 10 how to order parts limitorque l12085 installation, operation and maintenance fcd lmenim120203a4 0615 42 to obtain further information or order parts for your limitorque valve actuator, contact your local limitorque distributor, sales office or contact. Properly sizing an actuator is an important step to realizing a valves full potential safely and efficiently. Mrc global has experienced technical inside sales representatives and an engineering department that can help you with sizing and selecting the right actuator for your application. The document includes the theory of operation of movs plus descriptions of valve types, such as gate, globe, ball, plug and butterfly. Thrust multiturn valves for gates, globes, or sluice gates, the thrust can be calculated from the pressure and valve data. Tolomatic sizing and selection software has been provided as a tool to assist in the sizing. Modular design offer new economies and increases power options, plus all the innovative design features that have made limitorque the brand of choice all over the world. Limitorque valve actuators limitorque smb electric actuators. Limitorque actuation systems table of contents 1 introduction 11 1.
The lpc range of limitorque pneumatic actuators is a robust, lightweight modular scotch yoke design, available in both spring return and double acting configurations. P when pressure is exerted on both sides of the diaphragm, more force is required to close the valve. Flowserve limitorque introduced the mx electric actuator in. Valve sizing charts show the maximum shutoff pressure for each size valve with each size actuator. Size, select, and specify valves, actuators, and positioners. The contents of this software are subject to change without prior notice as a result of continuing improvements to the softwares performance and functions. The qx design builds on more than 15 years of proven mx technology to provide all the userpreferred features in a quarterturn smart actuator package. The hiflow series is offered in three actuator sizes with a variety of range spring sizes, according to the shutoff pressure needed.
Premier limitorque actuator sales and service with factory trained and authorized. The range includes multiturn actuators valve operators aswellas quarterturn actuators with wide options of speeds and torques. Whether you need an electric actuator with the strength to handle 2224 kn 500 000 lb of thrust, a fluid power actuator to deliver 300 knm 221 270 ftlb or more of torque or a sophisticated. Limitorque qx electronic actuator fcd lmenim330606 0714 4.
Whether you need an actuator with the strength to handle a half million footpounds of thrust, or a sophisticated control network to precisely orchestrate hundreds of valves, youll find limitorque products available from acrodyne make the task easier. The contents of this software are subject to change without prior notice as a result of continuing improvements to the software s performance and functions. P when pressure is only on one side of the diaphragm and the outlet is open to atmospheric pressure less force is required to close the valve. Access handheld support files, sizing and selection products, and more. Long life and protection long life is expected in a smart actuator. Flotech is an authorized limitorque blue ribbon parts and service center and a limitorque stocking distributor for all limitorque actuator products for more than 85 years, limitorque actuators have been making flow control easier for a broad range of customer applications. Actuators are rotork, valves are a wellknown western manufacturer. Whether you need an actuator with the strength to handle a half million footpounds of thrust, or a sophisticated control network to precisely orchestrate hundreds of valves, youll find limitorque products. Steelonbronze worm gear set maximize power transmission efficiency of the self rocking gear train. Be aware of highpressure hazards associated with the attached valve or other actuated device when installing or. If using firefox, pdfs are best viewed in firefox 37. The singlephase limitorque mx electronic valve actuator offers greater reliability by leveraging bldc motor and control technology that was part of the qx nonintrusive, quarterturn actuator.
With onoff services, only questions 2 and 3 must be answered. Be aware of highpressure hazards associated with the attached valve or other actuated device when installing or performing maintenance on your wtr actuator. Flowserve limitorque products help make valve control easier in ways as diverse as the applications in which they are used. Flowserve corporation limitorque mx qx electric valve actuator. Software downloads we regularly update the software that integrates seamlessly with our flow management equipment to make sure your assets are working their hardest for you. View online or download flowserve limitorque qx user instructions, maintenance and spare parts. Download the files you need to get the job done, or contact us for support. Many customers ask for a 25% safety factor, so if a valve requires 100 inlb torque to open, you would size the actuators break torque at 125 inlbs. Limitorque qx electronic valve actuator the limitorque qx is the entry into the quarterturn, nonintrusive, doublesealed, smart electronic actuator marketplace.
Thrust and torque ratings must be considered when sizing. Actuator be it control valves, guillotine dampers, divertor dampers, gate valves or gates, limitorque india, is a leading player and manufacturer of widest range of motorised actuators. The qx design builds on more than 15 years of proven mx technology to provide all the userpreferred features in a. The linear base lb products are available in two sizes and can sustain valve thrusts up to 109 kn 25 000 lbs. Whether directmounted to multiturn valves, dampers or sluice gates, or sidemounted to hbc or pt worm gear reducers for quarterturn applications, limitorque smb actuators deliver unsurpassed performance. Modulating service also known as throttling service, this is a control valve. Introduced in 1997, the mx is the flowserve limitorque smart actuator that inherits limitorques legendary longevity. One of the actuators is sized at 100% of predicted valve operating torque. Flowserve introduces limitorque smb electric actuator. Pneumatic actuators unitorq pneumatic and electric valve. The mx is the smart actuator design that is rigorous and easy to use. Limitorque valve actuators limitorque mx single phase electronic valve actuator. Pdf actuator selection and sizing for valves researchgate. Heavyduty design features a robust construction with highstrength materials that deliver maximum force while.
C using this information, select the applicable torque rating table and see the appropriate. The actuator must be sized to be large enough to shutoff the valve against system pressure on the valve plug. Proven performers under the most challenging circumstances, limitorques l120 actuators are ideal for valves requiring rotary or linear movement. It is the only nonintrusive, doublesealed electronic actuator to display the limitorque brand. This presentation provides an introductory look at motor operated valves, with a focus on the manufacturer limitorque.
Use of the yokogawa web site is at the users own risk. The areas of the seat, a s, and the seat retainer bore, a r, are calculated using the following equations. Yokogawa bears no liability for any problems that may occur during download or installation of this software. Affected parameters for actuator selection include the availability of a power. Bluetooth wireless communications and mxqx dashboard software 21 10. Sizing and selection actuator selection procedures a determine the type of bettis actuator required. Flowserve limitorque qx user instructions pdf download. At the core of the smb is a doublereduction gear set helical and worm, available in several combinations, that assures superior performance and eliminates speed vs. The limitorque l120 comes in eight unit sizes and can handle up to 60,000 ftlb of torque and 500,000 ftlb of thrust. Flowserve limitorque l120 series multiturn electric valve.
Limitorque has 90 years experience providing electric actuators to safely operate automated valves that protect people and property. Flowserve corporation has developed a linear base that can easily attach to a limitorque mx actuator or qxm actuator pictured for use in the electrical actuator control and choke valve markets. This windowsbased software will significantly reduce user effort associated with manual actuator sizing and more importantly reduce sizing errors. Nxt is the sizing and selection software for flowserve control valve products. There are more than 1,000,000 limitorque actuators installed around the globe, in every conceivable environment. Network controls, line break detection systems, master stations, switching, relays, and monitoring systems. The program results permitted the utilities to technically evaluate and continue to use their existing actuators at thrust and torque ratings well above limitorques. Market leading, high performing pneumatic, hydraulic and electric actuators and actuation. Control valve actuator sizing and valve action selection. Be aware of electrical hazards if an electric actuator is attached to the wtr manual actuator. Valve threaded stem must not exceed thrust base limitations.