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Flange pressure refers to the pressure exerted onto the flange (a projecting flat rim, collar, or rib on an object, serving for strengthening or attachment). Check FAQs
pf=nFvaCu
pf - Flange Pressure?n - Number of Bolts?Fv - Bolt Load in Gasket Joint of V Ring?a - Gasket Area?Cu - Torque Friction Coefficient?

Flange pressure developed due to tightening of bolt Example

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With units
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Here is how the Flange pressure developed due to tightening of bolt equation looks like with Values.

Here is how the Flange pressure developed due to tightening of bolt equation looks like with Units.

Here is how the Flange pressure developed due to tightening of bolt equation looks like.

5.5Edit=5Edit15.4Edit100Edit0.14Edit
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Flange pressure developed due to tightening of bolt Solution

Follow our step by step solution on how to calculate Flange pressure developed due to tightening of bolt?

FIRST Step Consider the formula
pf=nFvaCu
Next Step Substitute values of Variables
pf=515.4N100mm²0.14
Next Step Convert Units
pf=515.4N0.00010.14
Next Step Prepare to Evaluate
pf=515.40.00010.14
Next Step Evaluate
pf=5500000Pa
LAST Step Convert to Output's Unit
pf=5.5MPa

Flange pressure developed due to tightening of bolt Formula Elements

Variables
Flange Pressure
Flange pressure refers to the pressure exerted onto the flange (a projecting flat rim, collar, or rib on an object, serving for strengthening or attachment).
Symbol: pf
Measurement: PressureUnit: MPa
Note: Value should be greater than 0.
Number of Bolts
Number of Bolts is simply defined as the number of bolts that are under our consideration.
Symbol: n
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Bolt Load in Gasket Joint of V Ring
Bolt Load in Gasket Joint of V Ring is defined as the load that is applied by the bolts onto the gasketed joint.
Symbol: Fv
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Gasket Area
Gasket Area is the space occupied by a flat surface or the shape of an object.
Symbol: a
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Torque Friction Coefficient
Torque Friction Coefficient are values based on friction coefficients of 0.12 between threads and 0.14 between nut and washer or head and washer, as manufactured.
Symbol: Cu
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Flange Pressure

​Go Flange pressure given Twisting moment
pf=2nTaCudb

Other formulas in Multiple spring installations category

​Go Uncompressed gasket thickness
hi=100b100-Ps
​Go Width of u collar given uncompressed Gasket Thickness
b=(hi)(100-Ps)100
​Go Minimum percentage compression
Ps=100(1-(bhi))
​Go Bolt load in gasket joint
Fv=11mtidn

How to Evaluate Flange pressure developed due to tightening of bolt?

Flange pressure developed due to tightening of bolt evaluator uses Flange Pressure = Number of Bolts*Bolt Load in Gasket Joint of V Ring/(Gasket Area*Torque Friction Coefficient) to evaluate the Flange Pressure, The Flange pressure developed due to tightening of bolt formula is defined as refers to the maximum pressure that a flange withstands at increasing temperatures. Flange Pressure is denoted by pf symbol.

How to evaluate Flange pressure developed due to tightening of bolt using this online evaluator? To use this online evaluator for Flange pressure developed due to tightening of bolt, enter Number of Bolts (n), Bolt Load in Gasket Joint of V Ring (Fv), Gasket Area (a) & Torque Friction Coefficient (Cu) and hit the calculate button.

FAQs on Flange pressure developed due to tightening of bolt

What is the formula to find Flange pressure developed due to tightening of bolt?
The formula of Flange pressure developed due to tightening of bolt is expressed as Flange Pressure = Number of Bolts*Bolt Load in Gasket Joint of V Ring/(Gasket Area*Torque Friction Coefficient). Here is an example- 0.006482 = 5*15.4/(0.0001*0.14).
How to calculate Flange pressure developed due to tightening of bolt?
With Number of Bolts (n), Bolt Load in Gasket Joint of V Ring (Fv), Gasket Area (a) & Torque Friction Coefficient (Cu) we can find Flange pressure developed due to tightening of bolt using the formula - Flange Pressure = Number of Bolts*Bolt Load in Gasket Joint of V Ring/(Gasket Area*Torque Friction Coefficient).
What are the other ways to Calculate Flange Pressure?
Here are the different ways to Calculate Flange Pressure-
  • Flange Pressure=2*Number of Bolts*Twisting Moment/(Gasket Area*Torque Friction Coefficient*Diameter of Bolt)OpenImg
Can the Flange pressure developed due to tightening of bolt be negative?
No, the Flange pressure developed due to tightening of bolt, measured in Pressure cannot be negative.
Which unit is used to measure Flange pressure developed due to tightening of bolt?
Flange pressure developed due to tightening of bolt is usually measured using the Megapascal[MPa] for Pressure. Pascal[MPa], Kilopascal[MPa], Bar[MPa] are the few other units in which Flange pressure developed due to tightening of bolt can be measured.
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