Stress Required for Gasket Seating Calculator

✖Gasket Unit Seating Load is the seating load on per unit area o the sealing gasket.ⓘ Gasket Unit Seating Load [y_sl]			+10% -10%
✖Gasket Diameter is a straight line passing from side to side through the centre of a gasket.ⓘ Gasket Diameter [G]			+10% -10%
✖Gasket Width is defined as the thickness of the gasket measured along the radial direction of the gasket.ⓘ Gasket Width [N]			+10% -10%
✖Actual Bolt Area is defined as cross-sectional area of the bolts using root diameter of thread or least diameter of an unthreaded portion (if less), to prevent damage to the gasket during bolting-up.ⓘ Actual Bolt Area [A_b]			+10% -10%

✖The Stress Required for Gasket Seating is defined as the value of the stress in the gasket required for the seating or the installment of the gasket.ⓘ Stress Required for Gasket Seating [σ_sbat]

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Formula

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Stress Required for Gasket Seating

Formula

`"σ"_{"sbat"} = (2*pi*"y"_{"sl"}*"G"*"N")/("A"_{"b"})`

Example

`"25.18859N/mm²"=(2*pi*"3.85N/mm²"*"32mm"*"4.1mm")/("126mm²")`

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Stress Required for Gasket Seating Solution

STEP 0: Pre-Calculation Summary

Formula Used

Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area)
σ_sbat = (2*pi*y_sl*G*N)/(A_b)
This formula uses 1 Constants, 5 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Stress Required for Gasket Seating - (Measured in Pascal) - The Stress Required for Gasket Seating is defined as the value of the stress in the gasket required for the seating or the installment of the gasket.
Gasket Unit Seating Load - (Measured in Pascal) - Gasket Unit Seating Load is the seating load on per unit area o the sealing gasket.
Gasket Diameter - (Measured in Meter) - Gasket Diameter is a straight line passing from side to side through the centre of a gasket.
Gasket Width - (Measured in Meter) - Gasket Width is defined as the thickness of the gasket measured along the radial direction of the gasket.
Actual Bolt Area - (Measured in Square Meter) - Actual Bolt Area is defined as cross-sectional area of the bolts using root diameter of thread or least diameter of an unthreaded portion (if less), to prevent damage to the gasket during bolting-up.

STEP 1: Convert Input(s) to Base Unit

Gasket Unit Seating Load: 3.85 Newton per Square Millimeter --> 3850000 Pascal (Check conversion here)
Gasket Diameter: 32 Millimeter --> 0.032 Meter (Check conversion here)
Gasket Width: 4.1 Millimeter --> 0.0041 Meter (Check conversion here)
Actual Bolt Area: 126 Square Millimeter --> 0.000126 Square Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

σ_sbat = (2*pi*y_sl*G*N)/(A_b) --> (2*pi*3850000*0.032*0.0041)/(0.000126)

Evaluating ... ...

σ_sbat = 25188591.7647822

STEP 3: Convert Result to Output's Unit

25188591.7647822 Pascal -->25.1885917647822 Newton per Square Millimeter (Check conversion here)

FINAL ANSWER

25.1885917647822 ≈ 25.18859 Newton per Square Millimeter <-- Stress Required for Gasket Seating

(Calculation completed in 00.004 seconds)

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Home » Physics » Design of Machine Elements » Design of Coupling » Packing » Bolt Loads in Gasket Joints » Stress Required for Gasket Seating

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Created by sanjay shiva

national institute of technology hamirpur (NITH ), hamirpur , himachal pradesh

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< 16 Bolt Loads in Gasket Joints Calculators

Bolt Load under operating condition given Hydrostatic End Force

Go Bolt Load Under Operating Condition for Gasket = ((pi/4)*(Gasket Diameter)^2*Pressure at Outer Diameter of Gasket)+(2*Width of u-collar*pi*Gasket Diameter*Pressure at Outer Diameter of Gasket*Gasket Factor)

Hydrostatic End Force given Bolt Load under Operating condition

Go Hydrostatic End Force in Gasket Seal = Bolt Load Under Operating Condition for Gasket-(2*Width of u-collar*pi*Gasket Diameter*Gasket Factor*Pressure at Outer Diameter of Gasket)

Hydrostatic Contact Force given Bolt Load under Operating condition

Go Total Joint Surface Compression Load = Bolt Load Under Operating Condition for Gasket-((pi/4)*(Gasket Diameter)^2*Pressure at Outer Diameter of Gasket)

Actual Cross-sectional Area of Bolts given Root Diameter of Thread

Go Actual Bolt Area = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Stress Required for Gasket Seating)

Gasket Width given actual Cross-sectional Area of Bolts

Go Gasket Width = (Stress Required for Gasket Seating*Actual Bolt Area)/(2*pi*Gasket Unit Seating Load*Gasket Diameter)

Stress Required for Gasket Seating

Go Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area)

Stress Required for Gasket Seating given Bolt Load

Go Stress Required for Gasket Seating = Bolt Load Under Operating Condition for Gasket/((Greater Cross-section Area of Bolts+Actual Bolt Area)/2)

Bolt Load in Design of Flange for Gasket Seating

Go Bolt Load Under Operating Condition for Gasket = ((Greater Cross-section Area of Bolts+Actual Bolt Area)/2)*Stress Required for Gasket Seating

Width of U Collar given Initial Bolt Load to Seat Gasket Joint

Go Width of u-collar = Initial bolt load to seat the gasket joint/(pi*Gasket Diameter*Gasket Unit Seating Load)

Deflection of Spring Initial Bolt Load to Seal Gasket Joint

Go Gasket Unit Seating Load = Initial bolt load to seat the gasket joint/(pi*Width of u-collar*Gasket Diameter)

Initial Bolt Load to seat Gasket Joint

Go Initial bolt load to seat the gasket joint = pi*Width of u-collar*Gasket Diameter*Gasket Unit Seating Load

Test pressure given Bolt Load

Go Test Pressure in Bolted Gasket Joint = Bolt Load in Gasket Joint/(Factor of Safety for Bolt Packing*Greater Cross-section Area of Bolts)

Load on bolts based on hydrostatic end force

Go Bolt Load in Gasket Joint = Factor of Safety for Bolt Packing*Test Pressure in Bolted Gasket Joint*Greater Cross-section Area of Bolts

Total cross-sectional area of bolt at root of thread

Go Bolt Cross-sectional Area at Root of Thread = Bolt Load Under Operating Condition for Gasket/(Stress Required for Operating Condition for Gasket)

Bolt load under operating condition

Go Bolt Load Under Operating Condition for Gasket = Hydrostatic End Force in Gasket Seal+Total Joint Surface Compression Load

Hydrostatic end force

Go Hydrostatic End Force in Gasket Seal = Bolt Load Under Operating Condition for Gasket-Total Joint Surface Compression Load

Stress Required for Gasket Seating Formula

Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area)
σ_sbat = (2*pi*y_sl*G*N)/(A_b)

What is diameter of unthreaded portion?

Diameter of unthreaded portion is defined as end to end distance of unthreaded portion of bolt.The unthreaded part of a bolts shaft is called the shank.

How to Calculate Stress Required for Gasket Seating?

Stress Required for Gasket Seating calculator uses Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area) to calculate the Stress Required for Gasket Seating, Stress Required for Gasket Seating is defined as the value of the stress in the gasket required for the seating or the installment of the gasket. Stress Required for Gasket Seating is denoted by σ_sbat symbol.

How to calculate Stress Required for Gasket Seating using this online calculator? To use this online calculator for Stress Required for Gasket Seating, enter Gasket Unit Seating Load (y_sl), Gasket Diameter (G), Gasket Width (N) & Actual Bolt Area (A_b) and hit the calculate button. Here is how the Stress Required for Gasket Seating calculation can be explained with given input values -> 2.5E-5 = (2*pi*3850000*0.032*0.0041)/(0.000126).

FAQ

What is Stress Required for Gasket Seating?

Stress Required for Gasket Seating is defined as the value of the stress in the gasket required for the seating or the installment of the gasket and is represented as σ_sbat = (2*pi*y_sl*G*N)/(A_b) or Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area). Gasket Unit Seating Load is the seating load on per unit area o the sealing gasket, Gasket Diameter is a straight line passing from side to side through the centre of a gasket, Gasket Width is defined as the thickness of the gasket measured along the radial direction of the gasket & Actual Bolt Area is defined as cross-sectional area of the bolts using root diameter of thread or least diameter of an unthreaded portion (if less), to prevent damage to the gasket during bolting-up.

How to calculate Stress Required for Gasket Seating?

Stress Required for Gasket Seating is defined as the value of the stress in the gasket required for the seating or the installment of the gasket is calculated using Stress Required for Gasket Seating = (2*pi*Gasket Unit Seating Load*Gasket Diameter*Gasket Width)/(Actual Bolt Area). To calculate Stress Required for Gasket Seating, you need Gasket Unit Seating Load (y_sl), Gasket Diameter (G), Gasket Width (N) & Actual Bolt Area (A_b). With our tool, you need to enter the respective value for Gasket Unit Seating Load, Gasket Diameter, Gasket Width & Actual Bolt Area and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Stress Required for Gasket Seating?

In this formula, Stress Required for Gasket Seating uses Gasket Unit Seating Load, Gasket Diameter, Gasket Width & Actual Bolt Area. We can use 1 other way(s) to calculate the same, which is/are as follows -

Stress Required for Gasket Seating = Bolt Load Under Operating Condition for Gasket/((Greater Cross-section Area of Bolts+Actual Bolt Area)/2)

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