API 6A Flange Connectors

Loose flange connectors covering weld-neck, blind, threaded, test, instrument, companion and union interfaces.

PRODUCT OVERVIEW

Purpose and technical function

Flange connectors provide a controlled pressure interface between wellhead, tree, valve, manifold and piping components. The family includes weld-neck, blind, threaded, test/instrument, lifting, companion and union flanges; the exact form must match its functional and mating-connection requirements.

Technical features

Weld-neck, blind and threaded forms
Instrument/test ports where specified
Male and female union companion flanges
Lifting flanges and plates
Special materials and dimensions available

Typical applications

Wellhead and tree outlets
Manifold connections
Pipeline transitions
Pressure-test closures and gauge access

TECHNICAL DATA

Selection and supply basis

Reference sizes	1-13/16 in to 7-1/16 in
Reference pressure range	2,000 to 20,000 psi
Design basis	API Spec 6A where applicable
Connection forms	Flanged, threaded, weld-neck, union and special
Service basis	Standard or sour service, with metallurgy, hardness, seals and trim confirmed against the approved fluid composition
Inspection and testing	Material traceability, dimensional inspection, NDE and pressure/functional testing according to the approved ITP
Documentation	Datasheet, drawings, MTRs, NDE and pressure-test records as specified in the purchase order

Supply positioning

Energy Equipment International supplies this equipment against approved project requirements. Manufacturing, monogram and performance claims apply only when confirmed in the selected supplier’s approved documentation.