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Flanges

WN · SO · BL · SW · LJ · RTJ

Flanges 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.

Flanges
Flanges · WN · SO · BL · SW · LJ · RTJ
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

Typical size range15 NB to 1200 NB, larger on enquiry
Pressure classesClass 150, 300, 400, 600, 900, 1500, 2500; PN ratings by standard
FacingRF (raised face), FF (flat face), RTJ (ring type joint)
Common stainless specASTM / ASME A/SA182 F304/304L, F316/316L
Common carbon specASTM A105, A350 LF2 for low temperature
Surface finishSerrated, smooth or as specified in the purchase spec

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

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.

Or email sales@werkzwise.com · WhatsApp +971 56 593 8382