Flanges
WN · SO · BL · SW · LJ · RTJFlanges are the joints a plant is judged on. We supply them in standard configurations for maintenance demand and to project specification for new build packages, with the certification pack assembled before dispatch.

Types supplied
Configurations
Weld Neck (WN)Long tapered hub, preferred for cyclic and high-pressure service.
Slip On (SO)Lower cost, fillet welded inside and out, common on utility lines.
Blind (BL)Closes a line or vessel opening, rated to the full class of the joint.
Socket Weld (SW)Small bore lines, typically 2 inch and below.
Lap Joint (LJ)Used with stub ends where frequent dismantling is expected.
Threaded / ScrewedNon-welded connections for low pressure and utility service.
OrificePaired with orifice plates for flow measurement.
Spectacle Blind & SpacersPositive isolation for maintenance and shutdown work.
Specification framework
Typical range
Use this as an RFQ checklist. Final technical compliance must be confirmed against your purchase specification and the offered manufacturer documentation.
Standards
Common references
ASME B16.5ASME B16.47 Series A / BMSS SP-44EN 1092-1DIN 2576 / 2633BS 3293
Materials
Available grades
Related
Other product lines
Most enquiries cover more than one line. Send the whole list and we will price it together.
Request for quotation
Flanges
Send it in any format, Excel, PDF, or a photo of a marked-up drawing. You get a technical response within one working day, not a brochure.




