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Stainless Steel Valves: Types and Applications

Valves are an indispensable part of a piping system. In terms of functions, stainless steel valves are similar to valves made from other components. The difference lies in the high quality and productivity of stainless steel. The main function of the valves is to control the flow of liquids, gases and even slurries in a pipe-line.

Stainless steel pipes form the base structure of the piping system of almost every building and industry nowadays. The composition of stainless steel includes at least 10.5% chromium. This element creates an invisible layer which resists oxidation, making the product immune to corrosion. The quality of the stainless steel depends upon its grade.

Stainless steel can also withstand tremendous pressure, extreme temperatures, and harsh chemicals. All these characteristics make stainless steel a highly durable product. It is crucial to have a thorough knowledge of the different varieties of stainless steel valves available in the market.

This knowledge will come in handy if you want to select the correct variant of steel that suits the type of work you are doing. 304 Stainless Steel and 316 Stainless Steel are the two of the most common types and are widely available in the market. 316 Stainless Steel is the ‘purer’ and thus, higher quality of steel.

Stainless steel valve suppliers offer the following types of stainless steel valves:

  • Ball Valves: Ball valves are usually used as a form of on/off control such that it does not allow any drop-in pressure. This category of stainless steel valve is ideal for situations that necessitate a quick shut-off. If it is turns 90 degrees, then the valve can be completely shut-off. It does not require multiple turns, unlike manual valves.
  • Gate Valves: This type of valve functions as the gateway or an electrical switch. A stainless steel gate valve can thus be opened and closed according to the user’s requirements. The disc or the gate is located inside the valve and it can be raised or lowered by turning the handle. Rising stem and non-rising stem are the two types of gate valves widely available in the market. It is ideal for applications where fluids have linear movement and require minimum restriction. In case of applications which require light grease or heavy oils, stainless steel gate valves can be used as a shutoff device.
  • Knife Valves: It is quite similar to the gate valve. The knife valve can be differentiated by its compact nature.
  • Check Valves: This type of valve acts as the stopper. It prevents backflow of liquid into the pipeline. A stainless steel ball check valve integrates the use of a sphere which is situated inside the body of the valve. This makes the pipe unidirectional. This design is vital for water purification or filtering systems. These valves are also used in industries to prevent backflow of chemicals. Stainless steel check valves are usually preferred due to their ability to withstand water exposure.

Each valve serves a distinct purpose. These valves are widely used in water management, food production, and chemical processing.

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