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Bookmark or Share- Actuator Sizing - Valve engineering | Eng-Tipsand app 50 pound may go to PTFE Packing the overall force will be: 119.23 pound. The smallest actuator area is 46 inches so 2.5 psia can easily move the actuator which is less than an atm where the accepted practice is to use 3-15 psig pressure 3 psig is 17 psia app which is far greater than 2.5 psia
- Kips to Foot Pounds - Structural engineering general discussionI have seen many posts on how to convert kips to foot pounds. None of the answers are correct. I finally found the answer and wanted to document it here. T = 0.0167 x P x D T = torque (foot-pounds) P = bolt tension in pounds( 1 kip = 1000 pounds ) D = bolt diameter in inches So to get the...
- Steam Generation - Chemical plant design & operations - Eng-TipsThis will give you a pretty accurate estimate. Most industrial boilers will add about 1000 BTU to 1 lb of feedwater to make 1 lb of steam. At 80% boiler eff and about 1000 BTU/ cubic foot of gas, you'll need to burn 1,250 BTU of natural gas to make a pound of steam.
- Specific Heat calculations - Heat Transfer & Thermodynamics ... - Eng-TipsThe British unit of force is the pound-force, 1 lbf [≈] 4.45 N The British unit of mass is the slug; 1 slug [≈] 14.6 kg. A supermarket hanging spring scale measures the object's weight, but since mass and weight are proportional at a given location, it also provides a measure of the object's mass.
- Which one is correct, in-lbf. or in-lbs., or in-lb. - Eng-TipsIn text documents I would write the word inch-pound. My data sheets usually include a pull-down menu with available units. Do not add the letter "s" to indicate plural units -- inch not inches, pound not pounds, lb not lbs. There is a nice guideline in the Fundamentals of Engineering handbook in the earlier chapters. John
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