Meets ASME B16.47 & B16.48 / ANSI B16.5 & B16.2 standards. Have custom needs? No Problem!
ASME PIPE BLIND FLANGE STANDARD FEATURES & PRODUCT SPECIFICATIONS:
Sizes:
1/2" - 96"
ASME Pressure Ratings:
150# • 300# • 600# • 300# • 1500# • 2500
Stocked Alloys:
516-Gr70 CS • 304/316 SS (Any Available Alloy)
Port Options:
NPT or SW
Multiple Ports Can Be Added
Face Options:
Raised • Flat • RTJ Male • RTJ Female
Coating Options:
Galvanized • Zinc Plated • Yellow Zinc Chromate
ASME Standards:
B16.47 • B16.48/ANSI B16.5 • B16.2
Custom high-pressure flanges made to your specs
Same-day local shipping/delivery available in Texas and Lousiana
Need Blind Flange Storage Racks?
Pipe Blind Flange Uses
Face, Gasket & Finish Types
Related Blind Products
When Ordering, Specify:
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Isolation for Maintenance: Seals pipeline sections for repairs without system shutdown, which improves operational efficiency and reduces downtime.
Pressure Testing: Acts as a temporary closure for hydrostatic or pneumatic tests.
Permanent Sealing: Used for decommissioning or abandoning pipeline sections.
Versatile Applications: Common in oil and gas, chemical processing, power generation, and water treatment industries.
SPECIFICATIONS: Our ANSI flanges are typically manufactured with raised face or Ring Type Joint (RTJ) facing. The standard height is 1/16" for pipe caps under ASME rating 400# and 1/4" for flanges 400# and up.
NEED PORTS? Choose from middle, top, or bottom ports, and socket weld or NPT vent connections.
Blind Flange 3D Product Rotation
Looking for a blind flange with a handle?
How about a blind flange with a pressure valve?
Or a Top Hat Blind Flange Pipe Support with Lifting Lugs?
No. Blind flanges are used to "close off" the line when bolted to a flange, which is welded to a pipe, heat exchanger, vessel, etc...
Can I get an end cap with threaded bolts?
Yes. We will custom manufacture or modify any of our products to meet your needs.
Can I get a blind flange that is thicker or thinner than normal?
Yes. We can produce our products to any custom specification.
Do I need Series A (MSS SP44) or Series B (API 605)?
This only applies for line sizes greater than 24". Call us and we'll be happy to help you determine the correct spec.
Can I get a lifting lug added to the blind flange?
Yes, just let us know if you want the lifting lug on the flat face of the blind flange (typically used when the flange is in a horizontal plane) or on the outer edge (typically used when installing in a vertical plane).
What materials do your blind flanges come in?
The most common material is A105 grade carbon steel, however we can produce our blinds in any material, grade or alloy you require.
Do you sell your blind flanges with the nuts and bolts?
Yes, we can supply the nuts, bolts, and gaskets if you need them.
Are blind flanges available with a vent or multiple vents?
Yes, we can provide your flange with one or more vents. Vents are available in the middle, top, or bottom of your flange and with socketweld or NPT vent connections.
We’re here whenever you need us—24 hours a day, 7 days a week, 365 days a year. Call (800) 456-8721
