EN
Product Name: | Blind Flange |
Size Range: | DN10-DN600 |
Pressure Grade: | PN10-PN100 / CLASS150-CLASS1500 |
Surface Sealing: | RF, FF, FM, M, T, G, RJ |
Connection: | Bolted Connection , Butt Weld , Socket Weld |
Materials: | Stainless Steel , Alloy Steel , Carbon Steel |
Standards: | ANSI , GOST , DIN , JIS , BS , UNI , GB |
Certificates: | ISO , API 6A , CE(PED) , ABS , DNV , BV , CCS |
Custom Made: | Yes , DN10 ~DN5000+ |
Specifications
FAQ
VideoBlind Flange The blind flange is a popular used pipe flange.It's designed to seal the end of a pipe and a pressure vessel opening.It provides a reliable and leak proof closure.It doesn't need for welding through the pipe bore.It has no central opening.It's suitable for isolating sections of a piping system and closing off unused pipe ends. Its solid design allows for high pressure and high temperature applications.It can be drilled with bolt holes to match standard flange dimensions,enabling secure connections with mating flanges.The blind flange is used in piping systems for maintenance,testing and flow control.It offers a simple yet robust solution for safely closing off pipelines. The blind flange has carbon steel,stainless steel and alloy options.The blind flanges comply with ANSI B16.5 flange dimensions,which including 150# flanges,300# flanges and other standard pipe flange types.Whether for pressure vessels,piping networks and maintenance closures.The blind flange provides durable sealing,flexible installation and reliable service.It's an essential component in both industrial and commercial piping systems. |
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Product application Due to powerful comprehensive performance and wide practicality for flange products,they have been applied in many engineering fields.The application areas include light and heavy industry, petrochemicals, offshore oil, shipbuilding, drainage, water supply, construction, pipelines, fire protection, power, aerospace. Service consultation During the communication,our technicians will answer all the questions what your concerns.For more details,please feel free to contact us.Thanks for your attention. Email: info@haihao-pipe.com MB: +86-18928171006 Contact Person: Mrs. Shallen Feng |
① What is a blind flange and how does it work? A blind flange is a type of pipe flange that completely covers the end of a pipe or pressure vessel.It creats a sealed closure without allowing flow through the pipe. It has no central opening, but includes bolt holes around its perimeter to align with a mating flange.The Blind flange is used in low to high pressure systems to isolate sections of piping, allow maintenance and test pipeline integrity. ② What is the important advantage of using blind flange? The blind flange provides a secure and leak proof closure for pipe ends or pressure vessels without requiring flow through the pipe.It's a good choice for maintenance, testing and isolation projects. Its solid design is suitable for high pressure and high temperature applications.It provides long term durability and reliability.When sealing and safety are the primary concerns,comparing with slip-on and threaded flanges, the blind flange is a practical and cost-effective solution . ③ In which applications is a blind flange suitable? The blind flange isn't suitable for applications where flow through the pipe is required, but they are suitable for sealing pipe ends.It isolats sections of a system, performing maintenance and testing. When we care about safety, leak prevention and system integrity and the application requires a reliable closure without complex installation, the blind flange provides a practical and effective solution. ④ When is a blind flange not the good choice for my project? The blind flange isn't suitable for applications that require continuous flow through the pipe.Because their solid design completely blocks the passage. They aren't the best choice for frequent connection or disconnection.Since repeated handling can increase the risk of gasket wear or leakage. Over time, using blind flanges in situations where flow or easy access is needed lead to operational limitations and maintenance challenges. ⑤ What are the steps to install a blind flange? To install a blind flange, first ensure the pipe end and flange face are clean. Position the flange against the pipe or mating flange and rotate it to align the bolt holes. Insert the bolts and cross tighten them evenly to get a proper seal. Finally,before putting the system into service,we should inspect the flange alignment, bolt tightness and seal integrity. |
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