Spectacle Blind Flange A182 F316L B16.48 Oil And Gas Pipeline System

Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:A182 F316L
Minimum Order Quantity:500KGS
Delivery Time:Depends on quantity
Payment Terms:T/T, L/C at sight
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Location: Ningbo Zhejiang China
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Spectacle Blind Flange A182 F316L B16.48 Oil And Gas Pipeline System


What is an F316L Spectacle Blind Flange?


F316L refers to the material of the flange, specifically a low-carbon version of Type 316 stainless steel. This material has excellent resistance to corrosion, particularly in marine environments or in the presence of chemicals.
A spectacle blind flange consists of two parts:

  1. The Blind: A solid metal plate used to seal off a pipe from the rest of the system, typically welded onto the pipe.
  2. The Spacer: A ring-shaped part with bolt holes, positioned between the blind and the pipe flanges, allowing for easy removal or installation without having to disconnect the entire pipeline.

Advantages:

  • Corrosion Resistance: F316L provides high resistance to corrosion, particularly in chloride-rich environments, which makes it suitable for use in seawater, chemical processes, and acidic environments.
  • Ease of Maintenance: Spectacle blind flanges are simple to install and remove, making them very useful in systems where access is needed periodically.
  • Durability: The design is robust, making it suitable for high-pressure systems and systems that experience thermal cycling or vibration.

Key Considerations:

  • Pressure and Temperature: Ensure that the chosen material (F316L) is compatible with the operational pressures and temperatures of the system.
  • Size and Compatibility: The spectacle blind flange must match the pipe size and flange rating (e.g., ASME, DIN) for proper sealing and safety.
  • Bolting: Proper bolting and torque are essential to ensure that the blind flange seals the pipe effectively and withstands internal pressures.


Chemical Composition of A182 F316L


Stainless SteelStainless Steel 316L Flanges
Ni10 – 14
FeBalance
Cr16 – 18
Mo2 – 3
C0.10 max
Si0.75 max
Mn2 max
P0.045 max
S0.030 max


Mechanical Properties of A182 F316L

Ultimate Tensile Strength, ksi

75

0.2% Yield Strength, ksi

30

Elongation, %

40

Hardness MAX, Brinell

217



Application

  • Isolation of Flow
  • Preventing Fluid Passage
  • Corrosive and High-Temperature Environments
  • Steam and Gas Piping
  • Pipeline Testing

China Spectacle Blind Flange A182 F316L B16.48 Oil And Gas Pipeline System supplier

Spectacle Blind Flange A182 F316L B16.48 Oil And Gas Pipeline System

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