Standards
- ASME B16.5 / B16.47
- EN flange requirements
- GOST or drawing-based review
Forged blind flange supplier
Blind Flanges
Baolongda manufactures forged blind flanges for piping isolation, pressure testing, maintenance packages and industrial project supply.
Target buyer terms: blind flange manufacturer China, forged blind flange supplier, ASME B16.5 blind flange, ASTM A105 blind flange.
Contact
Email: [email protected]
Phone / WhatsApp: +86 180 9217 8292
Send standard, size, pressure class, material, facing, quantity and inspection requirements.
Blind Flange Scope
Blind flanges are often ordered as part of complete flange packages. A dedicated page helps search engines and buyers connect Baolongda with this exact product intent.
Materials
- A105, LF2
- F304/L, F316/L
- Duplex grades by project review
Inspection
- MTC EN 10204 3.1
- PMI, UT, MT/PT
- Dimensional and marking checks
| RFQ data | NPS, pressure class, facing, thickness, material grade, standard, quantity and required documentation. |
|---|---|
| Use cases | Line isolation, pressure testing, vessel nozzle closure, maintenance shutdowns and stock replenishment. |
| Related pages | Weld neck flange, long weld neck flange, anchor flange. |
Blind Flange FAQ
Answers for buyers sourcing blind flanges as individual items or part of a flange package.
What RFQ details are needed for blind flanges?
Send standard, NPS or DN, pressure class or PN, facing, thickness or schedule basis, material grade, quantity and document requirements.
Can blind flanges be quoted with weld neck flanges?
Yes. Mixed flange packages can be reviewed when each line item has its own size, class, material, facing and quantity.
Which inspection documents are typical?
Typical blind flange packages include MTC 3.1, dimensional inspection, marking verification, heat treatment records and NDT or third-party inspection if specified.
Request Blind Flange Pricing
Email: [email protected] | Phone / WhatsApp: +86 180 9217 8292