What is the principle of size selection of rubber gaskets?

Rubber gaskets are widely used in industrial, medical, construction, automotive and other fields, and its role is to provide a reliable seal to prevent leakage and pollution. The correct selection of the size of the rubber sealing gasket is the key to ensure its sealing performance. This paper will introduce the principle of size selection of rubber sealing gasket.


First. understand the role and significance of sealing gaskets


Rubber gaskets are mainly used between two metal surfaces in relative motion to provide a reliable seal. In various mechanical equipment, pipes, valves and other parts, rubber sealing gaskets play an important role. Choosing the right size of the rubber sealing gasket can ensure that it has good sealing performance in practical applications and avoid leakage and contamination.


Second. choose the right type of rubber sealing gasket


There are many types of rubber gaskets, including:


1. Ordinary rubber gasket: suitable for sealing in general occasions.


2. Oil-resistant rubber gasket: It has good oil resistance and is suitable for oil medium.


3. High temperature rubber gasket: can maintain good sealing performance at high temperature.


4. Corrosion-resistant rubber gasket: suitable for corrosive media, such as acid, alkali, etc.


According to the actual application scenario and medium characteristics, choosing the right type of rubber sealing gasket is the key to ensure its sealing performance.


Third. choose the right size


When choosing the size of the rubber gasket, the following aspects need to be considered:


1. Pipe specifications: According to the diameter and wall thickness of the pipe, choose the appropriate size of the rubber sealing gasket.


2. Working pressure: the higher the working pressure, the more thick rubber sealing gaskets need to be selected to ensure that the higher pressure is borne.


3. Type of medium: according to the nature of the medium (such as viscosity, corrosion, etc.) select the appropriate material of the rubber sealing gasket.


4. Installation environment: Consider the influence of factors such as temperature and humidity of the installation environment on the rubber gasket.


Fourth. Practical skills


When choosing the size of the rubber gasket, you can refer to the following practical tips:


1. According to the manufacturer's recommendation: refer to the size recommendation table provided by the manufacturer to choose the appropriate size of the rubber sealing gasket.


2. Empirical judgment: According to experience, for general pipe connections, the diameter of the pipe can be used as the basic size for selecting rubber sealing gaskets.


3. Trial installation inspection: Before determining the final size, you can first try to install the rubber sealing gasket in the part to be sealed to check whether it can be tightly fitted and ensure smooth installation.


4. Consider the margin: In order to avoid possible errors during the installation process, you can choose the size of the rubber sealing gasket that is slightly larger than the actual demand to leave a certain margin.


5. Pay attention to aging: Taking into account the aging factors of rubber materials, it is recommended to increase the thickness of rubber sealing gaskets appropriately when choosing to ensure that it always maintains good sealing performance during use.


6. Compliance with standards: Select the size and material of rubber gaskets according to relevant standards and specifications to ensure that they meet the requirements of use and safety performance.


7. Consult professionals: For some specific applications or complex working conditions, it is recommended to consult professionals or institutions in related fields to obtain more accurate and appropriate recommendations.


Fifth. Summary and suggestions


The selection of the size of rubber gasket has an important effect on its sealing performance in practical applications. The correct selection of the right type and size ensures that it has a good sealing effect and avoids leakage and contamination. In order to ensure the correctness of the selection, it is recommended to comprehensively consider various factors and follow relevant standards and specifications in practical application. At the same time, paying attention to the manufacturer's recommendation and the actual trial assembly inspection is also a very critical step.


If you have other questions, please visit the Forever Seals official website for consultation www.frseals.com


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