Stainless Steel Blind Flanges

Name: Stainless Steel Blind Flanges
Brand: HuaboPipe

A blind flange (BL) closes a flanged end and can be opened later.

Specifications

Type

Blind flange (BL)

Size

ASME B16.5 for covered sizes; larger sizes from drawings, up to DN3000

Facing

RF as usual; FF / RTJ on drawing

Material

304/304L, 316/316L, 310S, 321, 2205, 2507

Standard

ASME B16.5 for covered sizes; DN3000 is not a B16.5 catalog item

Connection

Bolted, removable

Inspection & delivery

MTR available; hydrotest/NDT and lead time per order

Non-standard / OEM Customization Available

We support custom manufacturing based on your drawings and samples (NPS, Material, Thickness).

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A blind flange (BL) closes a flanged end and can be opened later. HuaboPipe supplies stainless blinds. Covered sizes follow ASME B16.5; larger sizes from drawings, up to DN3000.

How to choose

Use a blind if the end must open later. Use a BW cap if it is welded shut. Class and facing must match the mating flange. Send a drawing for large sizes.

FAQ

Blind or cap?

Blind if removable. Cap if welded shut.

Maximum size?

DN3000 from drawings.

All B16.5?

Covered sizes yes. Larger sizes follow the drawing.

Facing?

RF as usual; others on drawing.