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How to Install Gaskets and Flanges?

flanges and gasket installation

The Gaskets are a sealing agent positioned between the connecting flanges to create a permanent seal that maintains the leakage evidence sealed under all operating conditions. Various types of gaskets were used to attain leak-proof sealing between the flange of the pipe. The main function of the gaskets is to hose each side of the flange irregularities so that the provider liquid will not flow into the flange joint. A gasket tries to fill the flange faces with microscopic spaces and irregularities and then forms a clamp designed to preserve fluids and gasses. A leak-free flange connection is required for the correct installation of damage-free gaskets and damage-free flange faces.


How to Install Gaskets

Select the Appropriate Gasket Material

The first step in installing a gasket is to select the appropriate gasket material. There are a variety of gasket materials available on the market, and each has its own advantages and disadvantages. Some of the most common gasket materials include asbestos, neoprene, nitrile, and silicone.

Clean the Surfaces to be Sealed

Once you have selected the appropriate gasket material, you will need to clean the surfaces that will be sealed by the gasket. This is important because any dirt or debris on the surface can prevent the gasket from sealing properly. You should clean the surfaces with a solvent such as acetone or isopropyl alcohol.

Apply Adhesive to One Side of the Gasket

After cleaning the surfaces to be sealed, you will need to apply adhesive to one side of the gasket. This will help to ensure that the gasket stays in place during installation. You should apply a thin layer of adhesive over the entire surface of the gasket.

Install the Gasket

Once you have applied adhesive to one side of the gasket, you can install it on the surface to be sealed. You should align the gasket so that it is flush with the surface before pressing it into place. Once the gasket is in place, you should use a roller or another tool to press it into place.

How to Install Flanges

Materials Used for Flanges

Flanges can be made from a variety of materials, including: carbon steel, stainless steel, alloy steel, plastic and copper. The most common material used for flanges is carbon steel.


Installing flanges is not a difficult task, but there are a few things that you need to keep in mind. First, make sure that the area where you will be installing the flange is clean and free from debris. Second, align the holes in the flange with the holes in the pipe or fitting that you are attaching it to. Third, use bolts and nuts to secure the flange in place.

Types of Flange Gaskets

The Piping processes use three different types of Flange Gaskets that are classified based on the nature of their material.


NON-METALLIC GASKETS are generally composite sheet materials used in low-pressure class applications with flat-faced and raised-faced flanges. Made of arid yarn, fiberglass, elastomer, Teflon ® (PTFE), graphite, etc. are some of the materials that are used for the manufacturing of the Non-metallic Gaskets.


The COMPOSITE GASKETS are a combination of both Metallic and non-metallic flanges. They are also referred to as Semi-Metallic Flanges. The metallic property of these gaskets helps them have higher strength and resilience. The Non-metallic properties help them to have the ability to seal and conform to the Flanges.


METALLIC GASKETS are made from one or a mixture of metals to the shape and scale required. Metallic gaskets often used are ring-type connected (RTJ) gaskets.


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