I have used the various versions of nelprof on a daily basis for over 20 years and have always liked using it. Modern tools for sizing control valves and actuators valin. The valve modulates flow through movement of a valve plug in relation to the ports located within the valve body. This windowsbased software will significantly reduce user effort associated with manual actuator sizing and more importantly reduce sizing errors. Get the valves that are reliable today, tomorrow, and every day.
And our valve sizing and selection software, nelprof 6. A control valve is comprised of an actuator mechanism that is capable of changing the position of flow controlling element in the valve. Find metso valve actuators data sheets on globalspec. The new version extends earlier nelprof versions with two new calculation modules which enable the selection of intelligent automated onoff valves and emergency valves.
Suggested maximum valve size 1 insure a minimum of 5 straight diameters upstream and 3 downstream of the valve 2 the suggested sizing is based on largest full open valve size for the minimum flow, use manual input to select smaller size or valve model cv sa standard sa or choked 45 deg. Smart product selection screens offer quick, simple and accurate. Tolomatics electric linear actuator online sizing and selection application makes the selection of electric linear actuators, electric cylinders, motors and drives easy. Metso releases new version of nelprof valve sizing software. In this paper i will show how an analysis using metsos nelprof control valve sizing and selection softwares unique ability to graph the. Special safety requirements, such as an actuatorsizing safety factor or a complete valveassembly safetyintegrity level, can be evaluated with the new stateoftheart. Saftey factor a given multiple of the valves operating torque to ensure proper operation of the actuator. Apart from the role in technology development, digitalisation is one of metsos key enablers to serve its customers better.
Sizing a control valve main line supply news and information. Metso automation aims to always provide the right solution for the customers applications. When selecting an actuator, please click on its specs link and refer to the speed vs. P when pressure is exerted on both sides of the diaphragm, more force is required to close the valve.
Nelprof to select metso valves you should make sure you are using the most up todate. Nelprof 6 valve sizing software manufacturer in haryana india. The most appropriate choice can be made from the largest selection of highperformance metal and soft seated flow control, manual and automated onoff valves available from one supplier. The series 3031 resilient seated butterfly valve features a high strength throughstem design which allows for easy disassembly and superior inline support of the disc. Fieldcare can be used within a process control system or as a device management tool.
Now nelprof 6 can be used to select all metsos automated onoff and emergency valves. Nelprof can also calculate vapor pressures for 29 other chemicals that are listed in its database. 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. Series m, incorporates metsos leading pulp and paper application knowhow in valve technology. This onoff calculation tool allows the selection of all metso metal and softseated onoff valves with advanced but easytouse actuator sizing including. Consulting specifying engineer valve selection software. Break torque, or opening torque, refers to the force required to start moving a closed valve running torque, or midstroke torque, is the force required to maintain movement of the valve between the open and closed positions seating torque, also called closing torque, is the force required to seat a. Metsos nelprof 6 valve sizing software features two new calculation modules, which are designed to enable the selection of intelligent automated onoff valves and emergency valves. Definition of valve torque the purpose of this manual is to provide a simple yet accurate procedure for sizing actuators to flowserve worcester controls ball valves. A reliable, pneumatic actuation technology combining the strengths of the gseries in a compact, lightweight, costeffective solution. This onoff calculation tool allows the selection of all metso metal and softseated onoff valves with advanced actuator sizing, including adjustable safety factor and torque key figures. The version includes two new calculation modules, which enable the selection of intelligent automated onoff valves and emergency valves. Actuator operation is related to the valve on which it is installed, not the process regulated by the valve. As the stroke becomes longer, the maximum speed decreases, due to hazardous rpms.
The habonim high pressure valve series is based on a floating ball valve technology, specially built for endurance and reliability with a design pressure of up to ansi class 2500 414 bar 6000 psi. Nelprof 6 valve sizing software manufacturer in haryana. Nelprof powerful control valve selection features include. The first step in this process is precise valve selection and sizing using the advanced nelprof expert valve and actuator sizing and selection software. Expert sizing software compresses what used to take days into hours and minutes and yields sizing and selection information for critical valve applications that can frequently deliver a huge payback in terms of improved process safety and productivity. Thus a general purpose actuator may be used across a broad range of applications. Electric actuator torque outputs are shown on page 12. Mw k min flow in cfh max flow in cfh for mach calculation.
The valve plug is attached to a valve stem, which, in turn, is connected to the actuator. Metso field device integration files are free software components, which provides a user interface for the configuration, monitoring, calibration, diagnostics and testing of metso intelligent valve controllers and consistency measurement products in any open dcs host system. Metso has released nelprof 6 expert valve sizing software to the north. Special safety requirements, such as an actuatorsizing safety factor or a complete valveassembly safetyintegrity. Metso automations nelprof 6 control valve selection software is my favorite control valve sizing software. Metso fieldcare is a universal fdtbased software for the operation, configuration and monitoring of intelligent field devices. Metso adds safety to nelprof valve sizing software. The program will also show messages when unusual conditions occur such as cavitation, flashing, high velocity or high noise. Fdt field device tool is an open software specification supported by major instrument and control system suppliers. Fast and reliable onoff valve selection this onoff calculation tool allows the selection of all metso metal and softseated onoff valves with advanced but easytouse actuator sizing including adjustable safety factor and torque key figures. The series b1c and b1j are designed to iso 52111 when metso linkages are utilized. The module also includes multiphase flow sizing as well as noise and cavitation prediction analysis.
Worcester controls actuator sizing manual for worcester controls valves. Input signal valve position with contactless sensor actuator pressures, 2 independent measurements supply pressure spool valve position device temperature. The links below give you an easy access to metsos valve related software, support. Its not nearly as powerful as the vendors program of course but its more than adequate when i want to estimate the cv required and what size valve im likely talking about. Jul 18, 2011 metsos nelprof 6 valvesizing software enables engineers to select valves and compare various forms of product data. The primary function of a valve actuator is to set and hold the valve position in response to a process control signal.
The b series piston and quadrapowr x springdiaphragm actuators are solutions that provide exceptionally smooth and reliable actuation for 90 rotary valves. Figure 4 shows the results of a computer analysis of valve sizing parameters and actuator geometry and process dynamics acting on the valve. M2valve can be equipped with the following metso actuator types. Estimating liquid vapor pressure for control valve sizing. Stepbystep guide to nelprof 6 control valve selection software. Digital tools for valve sizing, selection, drawing, support, and pid tuning valve and flow control software the links below give you an easy access to metsos valve related software, support materials, and product information. Select the actuator whose startup torque output exceeds the breakaway torque requirements of the valve.
Metsos nelprof helps select a pump for optimum control valve. The industrial steam, valve, and process control blog. Pneumatic cylinder actuators, series b1 metsos neles double acting and spring return b1series piston type actuators are designed for use in both modulating control and onoff service. These actuators offer an extremely long cycle life. Tolomatic sizing and selection software has been provided as a tool to assist in the sizing. Metsos nelprof 6 valvesizing software enables engineers to select valves and compare various forms of product data. Metso releases new valvesizing software chemical processing.
Also, most of the available software for control valve sizing, including metsos nelprof, will automatically include the water vapor pressure for the given temperature. Emerson automation solutions flow controls marshalltown, iowa 50158 usa sorocaba, 18087 brazil cernay, 68700 france dubai, united arab emirates singapore 128461 singapore. Series e2 wafer type and e6 lug type ceramic ball control valves. The tool was designed to allow users to select the actuator more quickly and accurately in the engineering phase compared to conventional actuator selection.
Most manufacturers of control valves offer control valve sizing software at no cost, though most are specific to that manufactures valves only. April 7, 2011 metso released nelprof 6 valve sizing software. Estimating liquid vapor pressure for control valve sizing purposes control valves, liquid, vapor pressure included in the process of sizing a control valve for liquid service is the requirement for determining if flow will be choked. When calculating the time traveled, take into account the time taken to accelerate, decelerate, and settle, as opposed to only the time traveled at the. These forms calculate the necessary torque, speed, stopping accuracy and system inertia important when selecting a proper motor for the application. Helsinki, april 7, 2011 press release metso has released nelprof 6 valve sizing software. Now, with the development of flowteks characterized vballs, a full range of control applications is available with superior flow control. First of all, when i was at metso, i was a member of the nelprof design team. Nelprof 6 can be used to select all of metsos automated onoff and emergency valves. Metso valves and automated assemblies improve performance, maximize uptime. For pneumatic actuator selection use metso nelprofr control and onoff sizing and selection software. The new version extends earlier nelprof versions with two new calculation modules, which enable the selection of intelligent automated onoff valves and emergency valves.
Special safety requirements, such as an actuatorsizing safety factor or. Control valve books control valve application tools. Neles flanged full bore mbv ball valve, series m2 for asme ratings metsos neles modular ball valve series m2, offers optimized performance of pulp and paper applications. Metso valve selection software nelprof 6 features nelprof, with its advanced controlvalve selection features, was first introduced in 1981. Metso releases nelprof 6 expert valve sizing software. Special safety requirements, such as an actuator sizing safety factor or a complete valveassembly safetyintegrity level, can be evaluated with the new stateoftheart tools in the program. Metso has released nelprof 6 valve sizing software. An onoff calculation tool allows the selection of metal and softseated onoff valves with advanced actuator sizing, including adjustable safety. These online motor sizing tools are designed to make sizing a motor faster and easier. Standard round ported ball valves have been used, and continue to be used, for many control applications such as services involving moderate pressure drops. The new version extends earlier nelprof tm versions with two new calculation modules, which enable the selection of intelligent automated onoff valves and emergency valves. As standard, the high pressure series is made from forged or rolled bar material. Ball valves pneumatic actuators valve sizing and selection software.
When sizing an actuator, first consider your valves torque requirements. Warrens valve sizing program valveworks will accurately calculate the c v, flow velocity and flow noise. Robo cylinder sizing and selection tool iai america. Digital tools for valve sizing, selection, drawing, support, and pid tuning. Fast, efficient, and economical operation of rotary valves features modular design utilizing same body and end caps for both doubleacting and springreturn versions compact and light weight high cycle life.
Based on process conditions and valve type and size, the program calculates the percent of valve travel at each given flow condition, or in this example, valve travel ranging from 21. An innovative, smart, reliable valve esd solution for remote locations and when reliable power is an issue. Metso releases nelprof 6 expert valve sizing software chemical. 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. Metso integration files are extensively tested to ensure device fully compliance with the dcs interface. And our valve sizing and selection software, nelprof, assures you select the right configuration for the job. The powerful 32bit microcontroller controls the valve position. Quick find use keywords to find the product you are looking for. Consequently we are able to sculpture the valve to. Special safety requirements, such as an actuator sizing safety factor or a. Taking the guesswork out of properly sizing an assembly metso.
Our complete line of compact and reliable valvcon electric actuators provides accurate, electronically controlled positioning of valves and dampers for process industries. We have taken the guess work out of selecting electric linear actuators and cylinders. Apr 20, 2011 special safety requirements, such as an actuatorsizing safety factor or a complete valveassembly safetyintegrity level, can be evaluated with the tools in the program. Modulating service also known as throttling service, this is a control valve. The fisher valve handbook has got their valve sizing equations in it and i just made up a spreadsheet for myself to use including the effect of cavitation on valve sizing. Actuator stall torque is the amount of torque produced by the actuator just prior to the point where the motor stalls. Metsos nelprof, however, includes a number of generic valves, such as globe valves, ball valves, plug valves and butterfly valves, to choose from.
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