Long Stub End
Extended barrel length supports dependable lap-joint assemblies.
Butt Weld Fittings
Pipe Stub Ends.
Precision fittings engineered for secure lap-joint flange assemblies, easier alignment, reliable sealing and simplified pipeline maintenance.
Explore the rangeNavkar / Products / Stub End
Product Overview
Flexible connections. Built to perform.
Navkar stub ends pair with lap-joint flanges to create secure welded connections while making flange alignment, inspection and disassembly easier. Long, short and lap-joint forms are available across broad size, schedule and alloy ranges.
½–48 inSize range
4 FormsProduct range
Long / ShortBarrel options
XXSUp to schedule
Stub End Range
Four configurations. One connection.
Select the stub-end configuration that suits the flange assembly, installation space and maintenance requirements.
Short Stub End
Compact barrel length suits tight installations and flange joints.
Lap Joint Stub End
Pairs with a backing flange for easy alignment and disassembly.
Butt Weld Stub End
Provides a strong welded barrel and a smooth flared flange face.
Technical Data
Built to the specification.
Core ordering information is presented in a compact layout that remains clear on desktop, tablet and mobile.
StandardsANSI, ASME, BS, DIN, JIS, EN
FormsLong stub end, short stub end and lap-joint stub end
DimensionsASME B16.9, ASME B16.28, MSS SP-43
Size½ in to 48 in (15 NB to 1200 NB)
SchedulesSch 5S, 10S, 40S, 80S, 160 and XXS
ConstructionERW, fabricated, seamless and welded
Stainless SteelASTM A403 / ASME SA403
Carbon & Alloy SteelASTM A234 / ASME SA234
Duplex GradesASTM A815 / ASME SA815
High Nickel AlloyASTM B366 / ASME SB366
Final face diameter, barrel length, corner radius, wall thickness, heat treatment and testing must be confirmed against the purchase specification.
Engineering Reference
Dimensions and production.
Long Stub End Dimensions
Dimensional reference for extended barrel configurations.
Short Stub End Dimensions
Dimensional reference for compact barrel configurations.
Lap Joint Dimensions
Dimensional reference for backing-flange assemblies.
Material Capability
Specified for the service.
Follow each material family for grade-specific capability and selection guidance.
Applications
Industries we serve.
Chemical Plants
Power Plants
Oil & Gas
Petrochemical
Project Support
Specify your next stub-end requirement.
Share the material grade, pipe size, schedule, barrel length, flange standard, quantity and delivery location with the Navkar team.
Request a quote