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Eccentric Reducer

Pipe Fittings

Tees

Reducers

Stub Ends

Elbows

Returns & Bends

Caps

Pipe Nipples

PRODUCT SPECIFICATIONS

Product Type

  • Butt Weld Eccentric Reducer
  • Eccentric Pipe Reducer
  • Butt Weld Reducer
  • Seamless Eccentric Reducer
  • Welded Eccentric Reducer
  • Butt Welding Fitting

Material Grades

  • Stainless Steel
  • Carbon Steel
  • Alloy Steel
  • Duplex Steel
  • Super Duplex Steel
  • Nickel Alloys
  • Copper Nickel Alloys

Manufacturing Standards

  • ASME / ANSI B16.9
  • ASME B16.25
  • ASME B16.28
  • MSS SP-43
  • JIS B2312
  • JIS B2313

Size Range

  • Size: 1/2" to 36"
  • Seamless: Up to 24"
  • Welded: 8" to 36"
  • Nominal Pipe Size (NPS)
  • Custom Sizes Available

Thickness & Schedule

  • Schedule 5S
  • Schedule 10S
  • Schedule 20
  • Schedule 40 / STD
  • Schedule 60
  • Schedule 80 / XS
  • Schedule 100 / 120 / 140
  • Schedule 160 / XXS

Dimensions

  • ASME B16.9
  • ASME B16.28
  • MSS SP-43 Type A
  • MSS SP-43 Type B
  • JIS B2312
  • JIS B2313

Reducer Configuration

  • Offset Centerlines
  • Different Inlet & Outlet Diameters
  • Eccentric Reduction
  • Flat Side Available
  • Butt Weld Ends
  • Center-to-End Dimensions

Dimensional Range

  • NPS 1/2 × 3/8
  • NPS 3/4 × 1/2
  • NPS 1 × 1/2
  • NPS 2 × 1
  • NPS 4 × 2
  • NPS 6 × 4
  • NPS 12 × 8
  • Up to NPS 36

Connection Type

  • Butt Weld Ends
  • Beveled Ends
  • Weldable Pipe Ends
  • ASME B16.25 End Preparation
  • Seamless Construction
  • Welded Construction

Material Categories

  • Stainless Steel
  • Carbon Steel
  • Alloy Steel
  • Duplex & Super Duplex Steel
  • Low Temperature Steel
  • Copper Nickel
  • Nickel Alloys

Eccentric Reducer Dimensions Chart

Nominal Diameter (DN) NPS Outside Diameter Series A (mm) Outside Diameter Series B (mm) End-to-End H (mm)
20×15¾″ × ½″26.9×21.325×1838
20×10¾″ × ⅜″26.9×17.325×1438
25×201″ × ¾″33.7×26.932×2551
25×151″ × ½″33.7×21.332×1851
32×251¼″ × 1″42.4×33.738×3251
32×201¼″ × ¾″42.4×26.938×2551
32×151¼″ × ½″42.4×21.338×1851
40×321½″ × 1¼″48.3×42.445×3864
40×251½″ × 1″48.3×33.745×3264
40×201½″ × ¾″48.3×26.945×2564
40×151½″ × ½″48.3×21.345×1864
50×402″ × 1½″60.3×48.357×4576
50×322″ × 1¼″60.3×42.457×3876
50×252″ × 1″60.3×33.757×3276
50×202″ × ¾″60.3×26.957×2576
65×502½″ × 2″73.0×60.376×5789
65×402½″ × 1½″73.0×48.376×4589
65×322½″ × 1¼″73.0×42.476×3889
65×252½″ × 1″73.0×33.776×3289
80×653″ × 2½″88.9×73.089×7689
80×503″ × 2″88.9×60.389×5789
80×403″ × 1½″88.9×48.389×4589
80×323″ × 1¼″88.9×42.489×3889
90×803½″ × 3″101.6×88.9–102
90×653½″ × 2½″101.6×73.0–102
90×503½″ × 2″101.6×60.3–102
90×403½″ × 1½″101.6×48.3–102
90×323½″ × 1¼″101.6×42.4–102
100×904″ × 3½″114.3×101.6–102
100×804″ × 3″114.3×88.9108×89102
100×654″ × 2½″114.3×73.0108×76102
100×504″ × 2″114.3×60.3108×57102
100×404″ × 1½″114.3×48.3108×45102
125×1005″ × 4″141.3×114.3133×108127
125×905″ × 3½″141.3×101.6–127
125×805″ × 3″141.3×88.9133×89127
125×655″ × 2½″141.3×73.0133×76127
125×505″ × 2″141.3×60.3133×57127
150×1256″ × 5″168.3×141.3159×133140
150×1006″ × 4″168.3×114.3159×108140
150×906″ × 3½″168.3×101.6–140
150×806″ × 3″168.3×88.9159×89140
150×656″ × 2½″168.3×73.0159×76140
200×1508″ × 6″219.1×168.3219×159152
200×1258″ × 5″219.1×141.3219×133152
200×1008″ × 4″219.1×114.3219×108152
200×908″ × 3½″219.1×101.6–152
250×20010″ × 8″273.0×219.1273×219178
250×15010″ × 6″273.0×168.3273×159178
250×12510″ × 5″273.0×141.3273×133178
250×10010″ × 4″273.0×114.3273×108178
300×25012″ × 10″323.9×273.1325×273203
300×20012″ × 8″323.9×219.1325×219203
300×15012″ × 6″323.9×168.3325×159203
300×12512″ × 5″323.9×141.3325×133203
350×30014″ × 12″355.6×323.9377×325330
350×25014″ × 10″355.6×273.0377×273330
350×20014″ × 8″355.6×219.1377×219330
350×15014″ × 6″355.6×168.3377×159330
400×35016″ × 14″406.4×355.6426×377356
400×30016″ × 12″406.4×323.9426×325356
400×25016″ × 10″406.4×273.0426×273356
400×20016″ × 8″406.4×219.1426×219356
450×40018″ × 16″457×406.4478×426381
450×35018″ × 14″457×355.6478×377381
450×30018″ × 12″457×323.9478×325381
450×25018″ × 10″457×273.0478×273381
500×45020″ × 18″508×457529×478508
500×40020″ × 16″508×406.4529×426508
500×35020″ × 14″508×355.6529×377508
500×30020″ × 12″508×323.9529×325508
550×50022″ × 20″559×508–508
550×45022″ × 18″559×457–508
550×40022″ × 16″559×406.4–508
550×35022″ × 14″559×355.6–508
600×55024″ × 22″610×559–508
600×50024″ × 20″610×508630×529508
600×45024″ × 18″610×457630×478508
600×40024″ × 16″610×406.4630×426508
650×60026″ × 24″660×610–610
650×55026″ × 22″660×559–610
650×50026″ × 20″660×508–610
650×45026″ × 18″660×457–610
700×65028″ × 26″711×660–610
700×60028″ × 24″711×610720×630610
700×55028″ × 22″711×559–610
700×50028″ × 20″711×508720×530610
750×70030″ × 28″762×711–610
750×65030″ × 26″762×660–610
750×60030″ × 24″762×610–610
750×55030″ × 22″762×559–610
800×75032″ × 30″813×762–610
800×70032″ × 28″813×711820×720610
800×65032″ × 26″813×660–610
800×60032″ × 24″813×610820×630610
850×80034″ × 32″864×813–610
850×75034″ × 30″864×762–610
850×70034″ × 28″864×711–610
850×65034″ × 26″864×660–610
900×85036″ × 34″914×864–610
900×80036″ × 32″914×813920×820610
900×75036″ × 30″914×762–610
900×70036″ × 28″914×711920×720610
950×90038″ × 36″965×914–610
950×85038″ × 34″965×864–610
950×80038″ × 32″965×813–610
950×75038″ × 30″965×762–610
1000×95040″ × 38″1016×965–610
1000×90040″ × 36″1016×9141020×920610
1000×85040″ × 34″1016×864–610
1000×80040″ × 32″1016×8131020×820610
1050×100042″ × 40″1067×1016–610
1050×95042″ × 38″1067×965–610
1050×90042″ × 36″1067×914–610
1050×85042″ × 34″1067×864–610
1100×105044″ × 42″1118×1067–610
1100×100044″ × 40″1118×10161120×1020610
1100×95044″ × 38″1118×965–610
1100×90044″ × 36″1118×9141220×920610
1150×110046″ × 44″1168×1118–711
1150×105046″ × 42″1168×1067–711
1150×100046″ × 40″1168×1016–711
1150×95046″ × 38″1168×965–711
1200×115048″ × 46″1220×1168–711
1200×110048″ × 44″1220×11181220×1120711
1200×105048″ × 42″1220×1067–711
1200×100048″ × 40″1220×10161220×1020711


MANUFACTURING

Forging Process

Each flange follows a rigorous 8-step forging and quality-control process to ensure conformance with ASTM A182 and ASME standards.

1

Material Selection

Prime 304 stainless steel billet sourced and certified.

2

Billet Preparation

Heat to 1100°C – 1250°C for optimal forgeability.

3

Forging

Shape billet into flange geometry under controlled pressure.

4

Heat Treatment

Solution anneal at 1040°C – 1120°C, then quench.

5

Machining & Finishing

CNC machining, drilling, and surface finishing.

6

Testing & Inspection

Tensile, hardness, PMI, visual and impact tests performed.