Blind flanges
Closures for flanged connections. Specify pressure class, facing, material and any special drawing requirements.
Define the component.
Confirm the details.
Send your specification or drawing so the required combination can be reviewed. The portfolio envelope is not a guarantee of every size, grade or class.
Add to RFQ ↗| Product family | Forged flanges |
|---|---|
| Portfolio size envelope | ½″–24″; specific combinations subject to confirmation |
| Bore | Not applicable unless specified by drawing |
| Specification to include | ASME B16.5 / project specification |
| Material | Exact specification and grade requested |
| Pressure class / facing | Include the project requirement |
| Inspection | Specify testing, third-party inspection and records |
| Delivery | Quantity, destination and required date |
Forged-flange material references
| Material family | Specification | Grades / request details |
|---|---|---|
| Carbon / low-temperature carbon steel | ASTM A105 / ASTM A350 | A105 / specified A350 grade |
| Alloy steel | ASTM A182 | F11 · F22 · F91 |
| Stainless steel | ASTM A182 | F304 / F304L · F316 / F316L |
| Duplex / super duplex | ASTM A182 | F51 · F53 · F55 |
| Nickel alloys | ASTM B564 | Specify the alloy / UNS designation, e.g. Alloy 625 |
Grade and dimensional availability are confirmed against your enquiry.
Specify the pressure class your project requires. Seric confirms qualified combinations against each enquiry.
ASME B16.5 scope: NPS ½–24 for Classes 150, 300, 400, 600, 900 and 1500; Class 2500 extends only to NPS 12. These are standard designations, not a statement of Seric production capacity. ASME scope reference ↗
Find an example specification ↗Request the exact technical document.
Include the size, wall or class and applicable standard when requesting a dimensional table, datasheet or drawing. Our team will confirm which documents are available for your enquiry.