Square Flanges
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Square flanges are used in hydraulic systems to connect a pipe to component or a pipe to pipe connection. As the name implies, square flanges are squarely shaped. It makes in accordance to different standards based on various countries, square flanges come in different pressure rating in order to fulfill their purpose.
With square flanges, you can ensure seamless flow of liquids through stainless and steel pipes or any other hydraulic systems. Square flanges come in different sizes from 1/4 inches to 6 inches. The common sizes for system installations are 1/2 to 2 inches. |
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Square Flanges Catalogue
| Square Flanges.pdf |
What are Square Flanges
1. How do you identify a square flanges
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Square flange can be classified as two materials which are steel or stainless steel. It is made of SF440A steel or SS316 stainless steel. They are made to fit the standards of JIS B2291 as well as JIS F7806. This means that it works well with any Japanese Industrial Standard pipes in water systems, offshore, pipe projects and oil fields. Square flanges can withstand high pressure moving connected pipes, and there are three different pressure scale: 210kg/cm², 280kg/cm² and 350kg/cm².
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Square Flanges
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2. Why square flanges are used in piping?
The square flange is highly useful in multiple high pressure industries such as connections between pipes, as well as between pipes and other components that are necessary to get a full system working. It is widely used as a category of pipe fittings. Square flange end connection is welding type and it is called socket weld or weld-on. The pipe has to insert in to the recessed area of the flange, or socketed so as to have a plain end. Other connections can be customized upon request.
The square flange can work in many different situations, but it is considered most useful when working in small diameter pipes. It is not recommended for larger diameter pipes, where there is a large weight load working within. However, square flange is not ideal to work well under high torque environment.
The square flange is highly useful in multiple high pressure industries such as connections between pipes, as well as between pipes and other components that are necessary to get a full system working. It is widely used as a category of pipe fittings. Square flange end connection is welding type and it is called socket weld or weld-on. The pipe has to insert in to the recessed area of the flange, or socketed so as to have a plain end. Other connections can be customized upon request.
The square flange can work in many different situations, but it is considered most useful when working in small diameter pipes. It is not recommended for larger diameter pipes, where there is a large weight load working within. However, square flange is not ideal to work well under high torque environment.
Square Flange Components
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Square flanges can be applied in these following industries connecting hydraulic systems to ensure continuous flow of liquids.
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3. What are different types of flanges?
There are many different configurations, which are SHAB, SSAB, KAB and blind flange.
There are many different configurations, which are SHAB, SSAB, KAB and blind flange.
- SHAB is the most common used in the industry, it works in maximum pressure 210kg/cm² and it is used together with hexagon bolts.
- SSAB works under pressure 210kg/cm² too. However, the body is smaller compared to SHAB and it is used together with Allan cap screws.
- KAB with similar configuration to SHAB but having a main difference of higher pressure rating for either 280kg/cm² and 350kg/cm².
- Square Blind Flanges are used to close the end flow of the system connection.
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A complete set of square flange included 5 important parts. It is 1 piece of female side, label as A side, 1 piece of male side, label as B side, 4 pieces of hexagon or allen cap screws, 1 piece of NBR 70/90 oring and 4 pieces of hexagon nut (optional). Hexagon nuts are paired with hexagon bolts to use in tightening up both male and female sides.
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350 KAB, 280 KAB, 210 SHAB, 210 SSAB
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4. How are flanges attached to pipes?
Check out the 4 easy step to assemble square flanges down below:
Step 1: Make sure the surface is free from any contamination or scratch marks, then apply lubricant system fluid on each of the O-ring parts.
Check out the 4 easy step to assemble square flanges down below:
Step 1: Make sure the surface is free from any contamination or scratch marks, then apply lubricant system fluid on each of the O-ring parts.
(Left) SSAB (Right) SHAB
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Step 2: Place the flanges in the right position and fix the bolts through the bolt holes accordingly.
Step 3: Hand tighten the flanges with bolts and nuts. Step 4: Use a wrench to tighten the bolts and nuts to optimum tightness. With its unique design and distinct features, square flanges are immensely used in high pressure systems. |
Square Flanges Catalogue
| Square Flanges.pdf |
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