Concentric Reducer
Keeps the pipe centreline aligned through a symmetrical transition.
Butt Weld Fittings
Pipe Reducers.
Precision transition fittings engineered to connect different pipe diameters while preserving alignment, pressure integrity and dependable system performance.
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Product Overview
Smooth transitions. Reliable flow.
Navkar butt-weld reducers create controlled transitions between different pipe diameters. Concentric and eccentric forms support centreline alignment, horizontal drainage and dependable service across broad size, schedule and alloy ranges.
½–48 inSize range
2 FormsCore range
Conc. / Ecc.Alignment options
XXSUp to schedule
Reducer Range
Four solutions. One transition.
Select the reducer geometry that suits the required size transition, centreline alignment and drainage conditions.
Eccentric Reducer
Maintains a flat side for drainage and horizontal pipe alignment.
Pipe Reducer
Joins dissimilar pipe sizes while supporting stable system flow.
Butt Weld Reducer
Creates a permanent, high-integrity welded transition between pipes.
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
FormsConcentric reducer and eccentric reducer
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 end diameters, length, eccentric offset, wall thickness, heat treatment and testing must be confirmed against the purchase specification.
Engineering Reference
Dimensions and production.
Concentric Dimensions
Dimensional reference for symmetrical reducer configurations.
Eccentric Dimensions
Dimensional reference for offset reducer configurations.
Production Flow
Reference overview of the reducer manufacturing sequence.
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 reducer requirement.
Share the material grade, inlet and outlet sizes, schedule, form, quantity and delivery location with the Navkar team.
Request a quote