ball valve torque calculation actuator



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BALON FLOATING BALL VALVE ACTUATOR TORQUE DATA

Balon Floating Ball Valve Torques inch pounds BALON FLOATING BALL VALVE ACTUATOR TORQUE DATA Note Values are raw torque values for new valves and standard seat materials Values contain no service factors Customer should determine appropriate service factors Use the 285 psi torque value for pressure differentials of 285 psi below...

How to Properly Size an Actuator

When sizing an actuator, always request the torque values and the recommended safety factor from the valve manufacturer When requesting the valve torques, it is important to request all six point values break, run and end to open and break, run and end to close All of these point values are required to properly size the actuator...

VALVE/ ACTUATOR TORQUE SIZING ANALYSIS CHART FOR ,

VALVE/ ACTUATOR TORQUE SIZING ANALYSIS CHART FOR TRUNNION BALL VALVES PISTON STYLE SCOTCH YOKE ACTUATOR SIZING CALCULATIONS SHEET LARGER ACTUATORS 2500Nm TO 17000Nm SPRING RETURN SET SPRING TO CLOSE 1 PTFE/RPTFE seats can require more torque to unseat after a period of time due to its fluidity ,...

Valve and Actuator Estimating Tool

Honeywell Valve and Actuator Estimating Tool 2 , Ball Valves Actuators DCA Actuators Flanged Globe Valves Actuators , Once the Media, Flow GPM, and DPress PSI entries are made, the Calculated Cv will automatically populate Selecting steam as media will alter the entry boxes as well as the calculation results...

Modern Tools for Sizing Control Valves and Actuators Valin

04-01-2018 0183 32 Rated actuator torques and valve torque requirements are usually conservative Only a small safety factor is necessary, especially for on-off valves where the main consideration is getting the valve in and out of the seat The ball valve torque requirement is similar in shape to that of the butterfly valve...

VALVE/ ACTUATOR TORQUE SIZING ANALYSIS CHART FOR ,

Above Actuator is Complete with Bracket ISO Mounting and high tensile Adaptor All Torque Values are theoretical, however where required we will torque test prior to despatch The real valve torque value can be higher depending upon the following listed factors as these factors can drastically increase or decrease the torque...

ACTUATOR SIZING FLOATING BALL VALVES

Floating small trunnion mounted ball valve torque actuator Author Australian Pipeline valve Subject Floating small trunnion mounted ball valve torque actuator Keywords Floating small trunnion mounted ball valve torque actuator sizing NM Newton metres spring return double acting pneumatic Created Date 6/6/2012 1 01 40 PM...

Valve torque and actuator

13-04-2020 0183 32 The opening torque is also known as the operating torque and can be obtained by calculation or measurement, or by actual measurement by the tools like a torque wrench Electric and pneumatic actuators are available for 15 times the valve torque When the valve opening torque is too large, the gear or worm gear transmission can be used for driving...

Balon Trunnion Actuator Torque Data

The re-seat torque is approximately 75 , or three-quarters, of the breakaway torque Corrosion, scale, build-up on the ball, or other service conditions can drastically alter torque requirements and should be given consideration when selecting actuation or automation equipment...

Actuator selection and sizing for valves SpringerLink

12-09-2019 0183 32 The type of pneumatic actuator is scotch and yoke due to quarter turn functionality of the ball valve The second step is to calculate the maximum torque required to open the valve at maximum pressure differential the breakaway torque 4, 5 A practical way to calculate the amount of torque is to multiply the force by the lever arm...

Torque Values for L Series Split Housing Design, G ,

211 For valves with extended stem length up to 25 meters , increase final valve torque BTO by 10 Example Underground/buried applications 22 Calculation of final valve torque FBTO for selection of gearbox or actuator 221 Maximum pull force required at the handwheel = 360 N considered on FBTO 222...

Actuator selection and sizing for valves Request PDF

presents a case study of breakaway torque break to open calculation and actuator sizing for a full-bor e ball valve in pressure Class 300 equal to ,...

Valve Torques And Actuator Torque Determination Information

actuator selection The following pages contain valve torque graphs and tables for the various Sharpe® Valve models, along with Media and Service Factors which MUST be considered Ball Valve Torques The torque values listed in the following graphs and tables are breakaway torques from the closed position...

How to Select Electric Actuator for Control Valves ,

26-03-2021 0183 32 electric actuated ball valves flanged , the actuator is required to retain 30 of the margin to be safe Because the calculation of the driving force of the valve is very complicated, the following gives some empirical data of , Electric Actuator Torque for Ball Valves DN50 DN1000, Pressure Rating 6 100Kg/cm2, 06 10MPa ....

Actuator Selection

Automation of McCANNA Ball Valves Explanation of Actuator Sizing Procedure Five factors affect valve torque and hence, actuator sizing These are 1 Seat Materials 2 Service 3 Actuator Design 4 Type of Control 5 Failure Mode of Actuator For sizing applications the following formula should be used...

Valve Thrust/Torque Calculation

21-05-2014 0183 32 Regards RE Valve Thrust/Torque Calculation Dean8573 Mechanical 28 May 14 21 21 J You get valve torques and you get actuator torqu they often come in the form of a maximum torque that can be applied to the stem before damage will occur and also operating torqu so ball valve will often have a MAST max allowabe stem torque and also ....

New Requirements for Actuator Sizing Valve Magazine

06-10-2020 0183 32 To open the butterfly valve, actuator torque is applied to the valve shaft equal to the friction forces around the resilient seat, packing and bearing surfac During mid travel as seen in Figure 1 , the friction forces on the bearings drop but the fluid flow induces a dynamic torque from unbalanced aerodynamic forces across the disc...

32 Design Basis Valve Stem Thrust F stem

valve actuator s torque switch was set higher than normal, to ensure that the valve would close all the way before the torque switch tripped, so that we could obtain all the data we needed from the test With the exception of the high torque switch setting in this data plot, torque switch trip occurs at a higher...

ball valve torque calculation ls

08-10-2020 0183 32 ACTUATOR SIZING FLOATING BALL VALVES For the torque value required to turn a floating ball valve through its 90 176 travel, consider torque requirements at these five basic positions BTO break open torque the torque required to unseat the closed valve 100 of the stated torque RTO opening torque the torque needed to move the valve to the fully open ,...

Worcester Controls Actuator Sizing Manual

selecting an electric actuator for a ball valve Actuator stall torque is the amount of torque produced by the actuator just prior to the point where the motor stalls Select the actuator whose startup torque output exceeds the break-away torque requirements of the valve Electric actuator torque outputs are shown on page 12...

SD Series Floating Ball Valve

30 Calculation of final valve torque FBTO for selection of gearbox or actuator 31 Calculated final valve torque FBTO based on temperature and seat material SEAT MATERIAL AT VARIOUS TEMPERATURE FINAL VALVE TORQUE FBTO MODIFIED PTFE / RTFE / Devlon from - 29 176 C to high temperature as per PT rating chart = BTO Refer to Table A...

Ball Valve Tech Doc rev421

Do not install with actuator below pipe Industrial Ball Valves General Information/Typical Installation PIPING/MOUNTING ORIENTATION NOTE To avoid torque increase during off season shut down or other periods of inactivity longer than 1 month, the valve should be exercised actuator or manually driven full open-closed cycle at least once per ....

Developing a Better Understanding of Actuator Torque

30-03-2018 0183 32 If the actuator torque is not sufficient for a given application, serious issues may result For example, if actuator torque is insufficient to turn a valve stem, the valve may not open or can become struck mid-stroke Alternatively, if the actuator torque is significantly higher than required, the valve may be damaged...

The importance of maximum allowable stem torque in valves ,

The important point in the valve stem design is that the torque or force generated by the valve operator actuator or gearbox should not exceed the MAST at any point of travel 12...