Rubber Washer

A rubber washer produced with a variety of synthetic rubber is a thin rubber disc in various sizes that is made up of a hole of a certain or different size among them. Usually, in order to support the weight of a threaded fastener, rubber washers are used. But in general, rubber washer can be used in applications such as spacer for sealing, as a spring, as a cover pad, for the pre- load device or as a locking device.

 The production of washers is commonplace with materials such as metal, rubber, plastics, etc. But rubber washers are used as a sealing agent to prevent leakage and barrier flow to water and gas in the taps or valves.

 Usually the outer diameter(OD) of the rubber washers is twice their internal diameter(ID), although this principle is observed for all washers. Rubber gaskets are also commonly used to prevent leakage and the flow of water and gas in the valves and various connections, which is why people are known as washers. The main reason is the similarity between rubber gaskets and rubber washers.

 But always remember that rubber gaskets and rubber washers have two completely different applications, and there are many differences in their design and production, and their performance is usually not comparable.

What type of rubber are best for rubber washers?

As explained, rubber washers are made of different types of rubber. Typically, synthetic rubber is used to produce rubber washer, and very little natural rubber are used.

 But among the synthetic rubbers, the best types for rubber washers are:

• Neoprene Synthetic rubber
• Synthetic rubber styrene-butadiene (SBR)
• EPDM or synthetic rubber Ethylene Propylene Diene Monomer (EPM)
• Synthetic silicone rubbers
• Nitrile synthetic rubber
• Synthetic rubber Fluoroelastomers(FKM) or Viton

• It is also measured in terms of hardness (durometer) as soft as 30 and as hard as 90 duro.
• Materials are also available as continuous rolls or cut-to-size.

The best and most basic features of rubber washers

Usually, rubber materials are used for the manufacture of washers due to the unique characteristics of the rubbers. Some of the main and best features of rubber washers can be summarized as follows:

• Rubber washers have good innate flexibility
• This kind of washers is completely Pliability and reliable
• Rubber washers are Conformability and easily adapted to their environment
• This type of rubber washer is made up of a rubber that are grade with a thickness of 0.016 to a thickness of 0.250
• The rubber washer can be measured in terms of hardness (durometer) as soft as 30 and as hard as 90 duro.
• Different types of rubber can be used to produce rubber washers, which are usually durable and stable.
• For produce washers there are a lot of continuous rolls or cut-to-size rubber in a different synthetics rubber.

Flange Washers

In order to seal the flanges, the best and most used washers are the rubber washers without hesitation. Many leaks in flanges, from 50 to 80 percent of leaks in flanges, have been based on estimates due to the insufficient bolt pre load.

In general, it can be said that the bolts are always tightened to a given aim pre load. Naturally, in this initial pre load, the bolts are only a certain amount of stretch, and given that the fluid after a while will heat the flanges and gaskets, these gaskets will spread more than the screws or bolts, which will make the gasket will lose its ability to seal. Flanged washers are a good choice because they cause deviation from the connection system.

 For this reason, the performance of Flange rubber washers as a live loaded flange connection is positive impact overall.

Usually flange washers can be used in the following:

• Flange washers are used in places where failure can cause a safety problem.
• Usually flange washer is used in connections that can occur as a result of many thermal fluctuations.
• In vibration connections, gasket creep, creep bolt, or connections that do not have an elastic interaction, one or more flange components are usually used.
• Flange washer was used for maintenance problems from distant times
• Usually, flanges are used in connections that cause leakage due to reasons such as the expansion of thermal differential, bolt creep, and vibration.

Types of applications for Uses of flange washers

In general, we can see the applications of flange washers in various industrial services and purposes.

But these types of washers are usually designed for the following purposes:

• Flange washers are used to maintain adequate bolt tension
• During the change of temperature and pressure, flange washers are used to maintain the pressure to compensate for the relaxation of the gasket, bolt creep or deviation between them.
• In order to maintain high loads necessary to keep flange connections and prevent leak flanges, flange washers are used to maintain high loads.
• In many applications, the use of flange rubber gaskets prevents damage to screws, bolts and seals.