Weld Neck Flange
A tapered neck is butt-welded to the pipe, providing a gradual transition that helps transfer loads and reduce stress concentration at the joint. Match the flange bore to the adjoining pipe.
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Specification options
Final selection depends on the project specification and confirmed quotation.
Connection
Butt-weld neck; bore and wall thickness matched to pipe
Material options
Carbon steel ASTM A105 / A350 LF2; stainless steel ASTM A182 F304/F304L/F316/F316L; alloy grades to specification.
Dimensional standard
ASME B16.5; ASME B16.47 where applicable. Confirm the standard and size series for the selected type.
Rating and facing
Specify the required pressure class or PN rating and compatible RF, FF or RTJ facing. Availability depends on type and size.
Dimensions
Nominal size, bore, wall thickness, bolt drilling and finish to the applicable standard or approved drawing.
Applications
Process lines and demanding pressure or temperature duties
Information for your enquiry
Provide flange type, nominal size, material grade, standard, pressure class, facing, pipe bore or schedule, quantity and inspection requirements.
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