The blind flange belongs to the non-hubbed type that is specially used to block the pipe. It is applicable in the fields, including the pressure vessel making, petroleum conveyance, chemical industry, ship making, pharmacy, metallurgy, machinery manufacture, food process, etc. 1. Its sealing face can be various, and material can be carbon steel, stainless steel, or alloy steel, according to the application. 2. The surface of our product after specially treatment shows nice appearance and good heat, pressure, and oxidation resistance.
| Nominal diameter | 3/8"~60" (DN10~DN1500) |
| Nominal pressure | CLASS150~CLASS2500 (US) PN6~PN100 (EU) |
| Production standard | GB/T9112-2000 GB/T9123.1-2000 GB/T9123.2-2000 GB/T9123.3-2000 GB/T9123.4-2000 GB/T9124-2000 SH/T3406-1996 JB/T74-1994 JB/T75-1994 JB/T86.1-1994 JB/T86.2-1994 HG/T20592-2009 HG/T20614-2009 HG/T20615-2009 HG/T20623-2009 HG/T20635-2009 ASME B16.5-2009 ASME B16.47-2006 MSS SP 44-2006 EN1092-1-2007 EN1759-1-2004 DIN2527 BS1560-3.1-1989 BS4504-3.1-1989 AS2129-2000 JIS B2220-2004 |
Structural Diagram
Structural Diagram
As an experienced BL / blind flange manufacturer and supplier in China, our company offers a comprehensive range of products that includes PL /plate weld flange, LWN / long welding neck flange, spectacle blind flange, and more.
Related Names: Blank Plate | Stop Plate | Flange for Covering End of Pipe | Steel Blind Flange