Blind flanges
Blind flanges are a type of flange without a central opening, used to completely and tightly seal the end of a pipeline or the outlet nozzle of various equipment. They act as plugs during hydraulic or pneumatic testing or when temporarily stopping the flow of the working medium. Blind flanges are easy to install and allow quick disassembly when further maintenance of the system is required.
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| Name | Flange type | Hole diameter, L (mm) | Nominal diameter, DN | Standard | Steel grade | Thread | Type of connecting surface | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | M12 | Type H - with gasket groove | 1.38 |
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| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X2CrNiMoN22-5-3 / 1.4462 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X2CrNiMoN25-7-4 / 1.4410 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M12 | Type H - with gasket groove | 1.38 |
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| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M12 | Type H - with gasket groove | 1.38 |
|
| Stainless steel blind flange DN25 PN16 Type 05/H EN 1092-1 | Type 05 - blind | 14 | 25 | EN 1092-1 | X6CrNiNb18-10 / 1.4550 | M12 | Type H - with gasket groove | 1.38 |
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Blind flanges for pipelines — closures made from carbon, alloy, corrosion-resistant, duplex, and super duplex steels in accordance with ASME standards for reliable pipe sealing. We can select the required diameter and design type. ASME blind flanges are designed for the hermetic sealing of pipeline systems and storage tanks. They function as reliable closures that prevent leakage of the working medium and ensure isolation of specific pipeline sections during maintenance or shutdown of a line. Due to their high strength and resistance to pressure fluctuations, such flanges are widely used in industrial applications. They are manufactured from carbon and stainless steels, alloyed and duplex materials, as well as heat-resistant alloys. Compliance with international standards such as ASME B16.5, ASME B16.47, and ASTM (for example, ASTM A105 and ASTM A182) guarantees durability, dimensional accuracy, and operational safety.
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