Lap Joint Flange
A backing flange works with a separate stub end. The loose flange can rotate for bolt-hole alignment while the stub end provides the sealing face.
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Specification options
Final selection depends on the project specification and confirmed quotation.
Connection
Loose backing flange plus compatible stub end
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
Systems requiring convenient alignment and dismantling
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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