Weld neck flange

A weld-neck flange is butt welded to pipe through a tapered hub and provides a smooth stress transition for demanding process service. Class, facing, hub bore and pipe schedule must be selected together.

Application and duty

Locations requiring assembly, inspection or periodic maintenance

Detachable pipe, valve and equipment connections across standards and pressure classes

Flange type, size, class, facing, material, pipe schedule and drilling must be checked as an assembly with gasket and bolting.

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