EN
Product Name: | Lap Joint Flanges |
Size Range: | DN10-DN600 |
Pressure Grade: | PN6-PN40 / CLASS150-CLASS600 |
Surface Sealing: | RF, FF, FM, M, T, G |
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
VideoLap Joint Flanges The Lap Joint Flanges is a versatile pipe flange.It's designed to fit around a stub end or pipe.It rotates freely and easy alignment with mating flanges.Unlike fixed flanges,it isn't welded to the pipe.You should adjust the position flexibility during installation and accommodate minor misalignments in piping systems. Its design provides a convenient solution for corrosion-resistant and high-maintenance piping.Because the flange can be removed or replaced without disturbing the pipe.It used in low to medium pressure systems.The Lap Joint Flanges is usually paired with stub ends for economical and reliable connections. The Lap Joint Flanges has carbon steel,stainless steel and alloy options.The Lap Joint Flanges comply with ANSI B16.5 flange dimensions,which including 150# flanges,300# flanges and other standard pipe flange types.Whether for chemical processing,water treatment or general piping applications,Lap Joint Flanges offer flexible positioning,easy maintenance and durable service.It's a cost-effective choice in piping networks where adaptability is key. |
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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 loose flange and how does it work? A loose flange is a type of pipe flange. It fits around a stub end and pipe.It can rotate freely, allowing it to be aligned with the mating flange before tightening. The flange isn't welded to the pipe.What makes it easy to adjust the position during installation. It's important to use in low and medium pressure systems, where flexibility, maintenance and cost efficiency . ② What is the important advantage of using loose flange? Because its ability to rotate freely around the stub end,the loose flange offers flexible positioning and easy alignment.It's a good choice for installations where precision alignment and maintenance access. Its design eliminates the need for welding, allowing for quick assembly and disassembly. It's suitable for low to medium pressure systems.Compared to welded neck or slip-on flanges, loose flanges are cost-effective,which provides a practical solution for economical and easily maintainable piping networks. ③ In which applications is a loose flange suitable? A loose flange isn't suitable for high pressure or high temperature systems.It doesn't suitable for standard piping applications where extreme strength.When the priority for flexibility, maintenance access and cost efficiency, The loose flange provides a practical and economical solution ,if the system doesn't demand the durability of welded and socket weld flanges. ④ When is a loose flange not the good choice for my project? A loose flange isn't appropriate for high pressure and high temperature systems.It's fail or leak under extreme conditions. Compare with welded neck and socket weld flanges,the design for a loose flange doesn't provide the same structural strength and anti-vibration capacity.Over time, using loose flanges in critical applications may lead to connection failure or leakage.It's unsuitable for demanding piping systems. ⑤ What are the steps to install a loose flange? To install a loose flange, first ensure the pipe end and the stub end are clean.Then slide the loose flange over the stub end, allowing it to rotate freely and align the bolt holes with the mating flange. Insert the bolts through the aligned holes and cross tighten them evenly to get a proper seal. Finally, before putting the piping system into service,you should inspect the flange alignment and bolt tightness. |
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