Made of corrosion-resistant stainless steel, these flanges withstand harsh conditions, providing reliable, long-lasting connections.
2.High Strength and Durability
Possesses excellent mechanical strength, capable of withstanding high pipeline pressure and external loads, ensuring safety and reliability.
3.Lower Life-Cycle Cost
hile the initial purchase price may be slightly higher, the exceptionally long service life and significantly lower maintenance requirements lead to substantial overall economic benefits.
Steel Flange
Figure 8 Blind Flange
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Description
Pipeline Isolation and Termination
It seals the end of a pipeline section to isolate the internal medium from the external environment, which is essential for system maintenance, equipment replacement, or temporary shutdown of a pipeline branch, ensuring operational safety.
It seals the end of a pipeline section to isolate the internal medium from the external environment, which is essential for system maintenance, equipment replacement, or temporary shutdown of a pipeline branch, ensuring operational safety.
Pressure Testing
During pipeline installation or maintenance, blind flanges are used to close the test section for hydrostatic or pneumatic pressure testing, verifying the pipeline's sealing performance and structural integrity under rated pressure.
Leak Prevention and Safety Protection
It prevents the backflow of media and the intrusion of external impurities, protecting pipeline equipment and ensuring the purity of the conveyed medium. In hazardous medium systems (e.g., toxic, flammable fluids), it acts as a safety barrier to avoid leakage accidents.
Applications
Blind flanges are widely used in industries such as oil and gas, petrochemicals, power generation, pharmaceuticals, water treatment, and chemical processing. Typical application scenarios include:
Sealing the ends of unused pipeline branches
Pressure testing of heat exchangers, pressure vessels, and boiler pipelines
Isolating critical equipment during maintenance in hazardous fluid systems
1.Excellent Corrosion Resistance
4.Easy Maintenance
Unlike carbon steel flanges, they require no periodic anti-rust coating maintenance, saving both time and labor.
5.Excellent Thermal Performance
Offers stable mechanical performance in extreme temperatures, from intense heat to deep cold, ensuring reliability.
5.Excellent Thermal Performance
Offers stable mechanical performance in extreme temperatures, from intense heat to deep cold, ensuring reliability.
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Standard |
ANSI, MSS, AWWA, DIN, UNI, JIS, BS, SABS, EN1092, GOST, also we can produce according to customers’ drawings. |
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Size |
15mm to 2,000mm. |
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Flange Facing |
RF, FF, RTJ. etc. |
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Materials |
Carbon steel, stainless steel and alloy steel. |
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Process |
FORGED. |
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Painting |
yellow paint, black paint, anti-rust oil or zinc coated. |
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Packing |
Sea-worthy Plywood cases or Pallet with polyethylene film or as customers’ request. |
A Figure 8 Blind Flange is a versatile and reliable component that is used to block off a pipe or vessel opening. Its unique design resembles the number 8, with two circular flanges connected by a central section that is wider than the flanges. The flanges are drilled with bolt holes to attach the Figure 8 Blind Flange to the mating equipment or piping.
This type of flange is commonly used in applications where there is a need for frequent and easy access to the pipe or vessel opening. Its design allows for a quick and easy installation and removal, which makes maintenance or repair work more efficient. Its compact and lightweight construction also makes it ideal for applications where space or weight restrictions are a concern.
Figure 8 Blind Flanges are manufactured in a wide range of materials, including carbon steel, stainless steel, aluminum, and various alloys, to suit different types of applications. They are typically available in standard sizes from 1/2 inch to 48 inches and in various thicknesses to suit different pressure requirements.
Our Figure 8 Blind Flanges are produced in accordance with the highest industry standards and are rigorously tested to ensure high-quality and durability. Our products are suitable for use in a variety of industries, including chemical processing, oil and gas, power generation, and more.
Whether you need a Figure 8 Blind Flange for new construction or for an existing piping system, we can provide you with a product that meets your specific needs and requirements. Our knowledgeable sales team can assist you in selecting the right material, size, and thickness for your specific application and can provide you with technical support and advice whenever you need it. So, choose our Figure 8 Blind Flange and enjoy the convenience and reliability it provides.
