Stainless Steel Blind Flange

Stainless Steel Blind Flange Specification

Dimension (L*W*H)
As per standard or customer specification

Application
Petrochemical, Oil & Gas, Power Plant, Water Treatment, Food Industry, Chemical Industry, Construction

Grade
SS304, SS316, SS304L, SS316L, SS321, etc.

Feature
Corrosion Resistant, High Strength, Leak-proof, Durable

Purity
Pure Stainless Steel

Product Type
Blind Flange

Material
Stainless Steel (304, 304L, 316, 316L, 321, etc.)

Standard
ANSI, DIN, JIS, BS, GB, EN, GOST

Shape
Round

Surface
Polished / Mirror / Matt / Sandblasted

Connection
Flanged

Technics
Forged / Cast

Pressure
PN6~PN160, 150LB~2500LB

Size
1/2 inch to 60 inch (DN15 to DN1500)

Color
Silver

Hardness
180~220 HB

Temperature Range
-196°C to +870°C

Compliance
ASTM A182, A240, EN1092-1

OEM Service
Available

Finish
Smooth, No Burr Edges

Thread
No (Solid Design, No Bore)

Rust Proof
Yes

Packaging
Wooden Case / Pallet / as per requirement

End Connection
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

Production Method
Forged, CNC Machined

Density
7.98 g/cm3

About Stainless Steel Blind Flange

High corrosion resistance is exhibited by stainless steel blind flange, particularly against stress corrosion cracking. Very little to no maintenance materials are needed for this flange. This flange is appropriate for challenging circumstances. This flange is often a good option when high durability and corrosion resistance are needed. Compared to hot-dip galvanized steel, stainless steel has a longer lifespan because it is stronger and less prone to corrosion. In residential, commercial, and industrial plumbing systems, this stainless steel blind flange can be employed.

Superior Sealing Performance for Critical Applications

Stainless steel blind flanges offer a leak-proof solution for securely blanking off pipelines across a range of industries, including petrochemical, oil & gas, power generation, and water treatment. Their forged construction and solid, no-bore design ensure high strength and resistance to extreme temperatures and pressure, making them ideal for systems demanding reliability and safety.

Compliance with Global Standards

Our blind flanges adhere to leading international standards, such as ASTM A182, EN1092-1, ANSI, DIN, and more. This guarantees compatibility and dependability in projects requiring rigorous quality assurance, whether for new installations or maintenance of existing pipeline systems. Each flange undergoes precise machining and finishing to deliver top-tier quality and reliability.

Customizable Solutions for Every Requirement

We offer stainless steel blind flanges in various grades, finishes, and dimensions, tailored to both standard and custom specifications. Supported by OEM services and robust packaging options, these flanges meet specific project needs and ensure safe, damage-free delivery anywhere in the world.

FAQ's of Stainless Steel Blind Flange:

Q: How are stainless steel blind flanges utilized in industrial pipelines?

A: Stainless steel blind flanges are used to seal off the end of a pipeline or valve, preventing fluid or gas flow. Their solid design ensures complete blockage, making them ideal for testing, maintenance, or future system expansion in industries like oil & gas, chemical processing, and water treatment.

Q: What benefits do solid, no-bore blind flanges provide over other flange types?

A: Solid, no-bore blind flanges offer enhanced leak prevention and pressure containment, as there is no passageway through the flange. This design delivers superior sealing performance, particularly for systems requiring complete isolation and high safety standards.

Q: When should I choose a raised face, flat face, or ring type joint blind flange?

A: The choice depends on your application and system requirements. Raised face flanges are common for most industrial piping, flat face flanges are preferred to avoid stress in brittle materials, and ring type joint flanges are chosen for high-pressure and high-temperature services where metal-to-metal sealing is critical.

Q: Where can these stainless steel blind flanges be applied?

A: They are widely used in petrochemical, oil & gas, power plants, water treatment facilities, food processing, construction, and chemical industries. Their robust corrosion resistance and versatility make them suitable for harsh and demanding environments.

Q: What is the manufacturing process for these blind flanges?

A: These flanges are produced through forging and CNC machining, ensuring high strength, precision dimensions, and smooth finishes with no burrs. The process imparts superior mechanical properties and uniformity across large production batches.

Q: How does the product ensure long-term durability and rust resistance?

A: Manufactured from pure stainless steel grades like 304, 316, and 321, and finished with corrosion-resistant treatments, the flanges are designed to withstand aggressive conditions, moisture, and chemicals, thereby providing extended service life without rusting or degradation.