
Blind Flanges BL Flange BLRF Figure-8 Blanks
- Payment Type:
- L/C, T/T
- Incoterm:
- FOB, CFR, CIF
- Min. Order:
- 10 Piece/Pieces
- Min. Order:
- 10 Piece/Pieces
- Delivery Time:
- 20 Days
- Transportation:
- Ocean, Land, Air, Train/TNT/DHL
- Port:
- Zhengzhou Train Station, Tianjin New Port, Beijing Air Port
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Contact NowPlace of Origin: | Cangzhou,China |
---|---|
Productivity: | 1000pcs/month |
Supply Ability: | 1000pcs/month |
Payment Type: | L/C,T/T |
Incoterm: | FOB,CFR,CIF |
Certificate: | ISO/CE/API |
HS Code: | 73079900 |
Transportation: | Ocean,Land,Air,Train/TNT/DHL |
Port: | Zhengzhou Train Station,Tianjin New Port,Beijing Air Port |
Blind Flanges, BL Flange, BLRF
What is a Blind Flange?
A Blind flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
We are manufacturer of Blind Flanges and supply high quality Ansi Blind Flange in both large and small quantities worldwide and offer you the best prices in the market.
Blind Flanges are commonly used in petrochemical, pipe engineering, public services & water works.
Blind pipe flanges are often used for high pressure applications.
This reduction can be a threaded reduction or welded reduction.
1. Blind flange 2. Stud Bolt 3. Gasket 4. Other flange
Size: 1/2" to 60", DN 12mm to DN 1500mm
Pressure class: Class 150 to Class 2,500, PN 2.5 to PN 250
Facing: RF / RTJ
Raised Face Blind Flange
Material:
-
Cabon steel: A105, A350 LF2
-
Stainless Steel Blind Flange: A182 F304/F304L/F316/F316L/F321
-
Alloy Steel Fitting: F11, F12
Blind flange is put at the end of pipe or at the junction that would possibly be a future expansion into that direction.
Blind Flanges, BL Flange, BLRF
What is a Blind Flange?
A Blind flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
We are manufacturer of Blind Flanges and supply high quality Ansi Blind Flange in both large and small quantities worldwide and offer you the best prices in the market.
Blind Flanges are commonly used in petrochemical, pipe engineering, public services & water works.
Blind pipe flanges are often used for high pressure applications.
Blind Flanges, BL Flange, BLRF
A Blind flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
We are manufacturer of Blind Flanges and supply high quality Ansi Blind Flange in both large and small quantities worldwide and offer you the best prices in the market.
This reduction can be a threaded reduction or welded reduction.

Material:
- Cabon steel: A105, A350 LF2
- Stainless Steel Blind Flange: A182 F304/F304L/F316/F316L/F321
- Alloy Steel Fitting: F11, F12
Figure-8 Blanks (Spectacle Flange)
A Spectacle Blank is a specialty flange made of two metal discs Spacer & Spade attached in the middle by a small section of steel. Figure 8 Flange get their name because they look like a pair of reading glasses, or spectacles. Spectacle flanges, also known as spectacle blind flanges, are most commonly used on piping systems that need to be separated regularly or where the flow through the systems is regularly stopped. One end of the spectacle flange is solid, while the other end has a hole in the center. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow.
Size range:
- Size: 1/2" to 60", DN 12mm to DN 1500mm Asme B16.5
- Pressure class: Class 150 to Class 2,500, PN 2.5 to PN 250
- Facing: RF / RTJ
For pipe Flanges-regularly seperated for isolation, maintenance or reasons, a spectacle extrudes Solution. Typically, spec blinds was mounted in the open position so-your flow pipe operates and is normally. Blinds is mounted onto one of the $number so is need to isolate a, it ' s easy!
Advantages of Spectacle Flanges
- Spectacle flanges require no welding for installation
- Spectacle flanges from BANGDONG Flange have a wide range of pressure tolerances
- BANGDONG will manufacture spectacle flanges to your specifications
Spectical blind flange classes
-
150#/300#600#/900# RF Flange Rating
Keywrods: Spectacle Blind Flanges, Pandle Spacer,Spectacle Blind Flange, Spectacle Flanges, Fitting & Flange,Stainless Steel Flange,Spectacle Blind Flanges manufactory

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