Long Weld Neck Flange
An extended neck provides a longer integral transition to an equipment or piping connection. Neck length, bore and connection geometry must match the equipment drawing and design requirements.
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Specification options
Final selection depends on the project specification and confirmed quotation.
Connection
Extended integral neck; dimensions to project specification
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
Vessel and equipment nozzle connections
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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