Nickel Alloy Steel Flanges Spectacle Blind Flange B564 N08825 6" 300# RJF
Nickel Alloy Steel Flanges Spectacle Blind Flange B564 N08825 6" 300# RJF
Spectacle Blind Flange as the name suggests is its shape like figure 8, it is a blind plate at one end,
the other end is composed of a throttle ring, when transporting fluid, the throttle ring is used, and the
blind plate is used when cutting off, a bit like the role of a shut-off valve, it can be used to cut off when
the valve leaks. Its sealing performance is relatively good. For systems that require complete isolation,
reliable isolation is generally chosen. There should be 2 shut-off valves before and after the figure
8 blind, and when all are in the closed state, switch the figure 8 blind state. Common heat exchanger
input and backup, reactor input and backup, nitrogen pipeline and process pipeline connection, etc.
Another feature is that the marking is obvious, and it is easy to identify its installation status.
The main role of the figure eight blind is to completely isolate, just like a gate valve with 100% reliable
performance and will not be misoperated.
| Standard | ASME/ANSI B16.5 ,ASME/ANSI B16.47,DIN2527~2367,BS,etc |
| Material | Gr1, Gr2 ,Gr5 |
| Size | 1/2''~120''(DN15~3000) |
| Thickness | SCH20, SCH30, SCH40, STD, SCH80, SCH100, SCH120, SCH160, XXS |
| Pressure rating | 0.6~42Mp |
| (DIN) PN6,PN10,PN16,PN25 though PN250 | |
| (ASNI) CL150,CL300,CL600,CL900,CL1500 | |
| Working temperature | -60°C~250°C |
| Application |
1.Chemical industry 2. Petrochemical industry 3. Machining field,Automobile field,etc 4. Desalination of sea water 5. Textile printing and dyeing 6. Mobile phone component field
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