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Gasket Factor Formula

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Gasket Factor the 'm' value, referred to as the maintenance factor, is the compressive load required on the gasket to maintain the seal once pressurised. Check FAQs

m = \frac{W - A 2 \cdot P test}{A 1 \cdot P test}

m - Gasket Factor?W - Total Fastener Force?A₂ - Inside Area of Gasket?P_test - Test Pressure?A₁ - Gasket Area?

Gasket Factor Example

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Here is how the Gasket Factor equation looks like with Values.

Here is how the Gasket Factor equation looks like with Units.

Here is how the Gasket Factor equation looks like.

2.381 = \frac{97 - 13 \cdot 0.39}{99 \cdot 0.39}

2.381 = \frac{97N - 13m² \cdot 0.39Pa}{99m² \cdot 0.39Pa}

2.381 = \frac{97 - 13 \cdot 0.39}{99 \cdot 0.39}

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Gasket Factor Solution

Follow our step by step solution on how to calculate Gasket Factor?

FIRST Step Consider the formula

m = \frac{W - A 2 \cdot P test}{A 1 \cdot P test}

Next Step Substitute values of Variables

∴

m = \frac{97N - 13m² \cdot 0.39Pa}{99m² \cdot 0.39Pa}

Next Step Prepare to Evaluate

∴

m = \frac{97 - 13 \cdot 0.39}{99 \cdot 0.39}

Next Step Evaluate

∴

m = 2.38098938098938

LAST Step Rounding Answer

∴

m = 2.381

Gasket Factor Formula Elements

Variables

Gasket Factor

Gasket Factor the 'm' value, referred to as the maintenance factor, is the compressive load required on the gasket to maintain the seal once pressurised.

Symbol: m

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Gasket Factor

Total Fastener Force

Total Fastener Force produces applied flange pressure to compress and seal the gasket.

Symbol: W

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Total Fastener Force

Inside Area of Gasket

Inside Area of Gasket is the space inside the shape. It's a measure of 2-D space, and the units for area are squared ("length squared").

Symbol: A₂

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Inside Area of Gasket

Test Pressure

Test Pressure is based on the maximum design pressure of the system, and for a pressure vessel based on the maximum allowable working pressure (MAWP) of the vessel.

Symbol: P_test

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Test Pressure

Gasket Area

Gasket Area is the area of contact the gasket is placed to seal between two flange connections.

Symbol: A₁

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Gasket Area

Other formulas in Design of Pressure Vessel Subjected to Internal Pressure category

Go Circumferential Stress (Hoop Stress) in Cylinderical Shell

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Go Longitudinal Stress (Axial Stress) in Cylindrical Shell

σ CylindricalShell = \frac{P LS \cdot D}{4} \cdot t c

Go Hoop Strain

E = \frac{l 2 - l 0}{l 0}

Go Bolt Circle Diameter

B = G o + (2 \cdot d b) + 12

How to Evaluate Gasket Factor?

Gasket Factor evaluator uses Gasket Factor = (Total Fastener Force-Inside Area of Gasket*Test Pressure)/(Gasket Area*Test Pressure) to evaluate the Gasket Factor, Gasket Factor is the ratio of residual unit stress on the gasket to internal pressure of the system. Gasket Factor is denoted by m symbol.

How to evaluate Gasket Factor using this online evaluator? To use this online evaluator for Gasket Factor, enter Total Fastener Force (W), Inside Area of Gasket (A₂), Test Pressure (P_test) & Gasket Area (A₁) and hit the calculate button.

FAQs on Gasket Factor

What is the formula to find Gasket Factor?

The formula of Gasket Factor is expressed as Gasket Factor = (Total Fastener Force-Inside Area of Gasket*Test Pressure)/(Gasket Area*Test Pressure). Here is an example- 2.318182 = (97-13*0.39)/(99*0.39).

How to calculate Gasket Factor?

With Total Fastener Force (W), Inside Area of Gasket (A₂), Test Pressure (P_test) & Gasket Area (A₁) we can find Gasket Factor using the formula - Gasket Factor = (Total Fastener Force-Inside Area of Gasket*Test Pressure)/(Gasket Area*Test Pressure).

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Gasket Factor Formula

Gasket Factor Example

Gasket Factor Solution

Gasket Factor Formula Elements

Other formulas in Design of Pressure Vessel Subjected to Internal Pressure category

How to Evaluate Gasket Factor?

FAQs on Gasket Factor

Variable Name