Product Category Concentric Reducers BUTTWELD CONCENTRIC REDUCER STD WT
BWCR

BUTTWELD CONCENTRIC REDUCER STD WT

A234 B16.9

Code Size Description Quantity  
BWCR2015 3/4" X 1/2"
BWCR2515 1" X 1/2"
BWCR2520 1" X 3/4"
BWCR3215 1 1/4" X 1/2"
BWCR3220 1 1/4" X 3/4
BWCR3225 1 1/4" X 1"
BWCR4015 1 1/2" X 1/2"
BWCR4020 1 1/2" X 3/4
BWCR4025 1 1/2" X 1"
BWCR4032 1 1/2" X 1 1/4"
BWCR5020 2" X 3/4"
BWCR5025 2" X 1"
BWCR5032 2" X 1 1/4"
BWCR5040 2" X 1 1/2"
BWCR6525 2 1/2" X 1"
BWCR6532 2 1/2" X 1 1/4"
BWCR6540 2 1/2" X 1 1/2"
BWCR6550 2 1/2" X 2"
BWCR8025 3" X 1"
BWCR8032 3" X 1 1/4"
BWCR8040 3" X 1 1/2"
BWCR8050 3" X 2"
BWCR8065 3 X 2 1/2"
BWCR10040 4" X 1 1/2"
BWCR10050 4" X 2"
BWCR10065 4" X 2 1/2"
BWCR10080 4" X 3"
BWCR12565 5" X 2 1/2"
BWCR12580 5" X 3"
BWCR125100 5" X 4"
BWCR15050 6" X 2"
BWCR15065 6" X 2 1/2"
BWCR15080 6" X 3"
BWCR150100 6" X 4"
BWCR150125 6" X 5"
BWCR200100 8" X 4"
BWCR200125 8" X 5"
BWCR200150 8" X 6"
BWCR250100 10" X 4"
BWCR250150 10" X 6"
BWCR250200 10" X 8"
BWCR300150S 12" X 6"
BWCR300200S 12" X 8"
BWCR300250S 12" X 10"
BWCR350150S 14" X 6"
BWCR350200S 14" X 8"
BWCR350250S 14" X 10"
BWCR350300S 14" X 12"
BWCR400200S 16" X 8"
BWCR400250S 16" X 10"
BWCR400300S 16" X 12"
BWCR400350S 16" X 14"
BWCR450150S 18" X 6"
BWCR450200S 18" X 8"
BWCR450250S 18" X 10"
BWCR450300S 18" X 12"
BWCR450350S 18" X 14"
BWCR450400S 18" X 16"
Code Size Description Quantity  
BWCR2015 3/4" X 1/2"
BWCR2515 1" X 1/2"
BWCR2520 1" X 3/4"
BWCR3215 1 1/4" X 1/2"
BWCR3220 1 1/4" X 3/4
BWCR3225 1 1/4" X 1"
BWCR4015 1 1/2" X 1/2"
BWCR4020 1 1/2" X 3/4
BWCR4025 1 1/2" X 1"
BWCR4032 1 1/2" X 1 1/4"
BWCR5020 2" X 3/4"
BWCR5025 2" X 1"
BWCR5032 2" X 1 1/4"
BWCR5040 2" X 1 1/2"
BWCR6525 2 1/2" X 1"
BWCR6532 2 1/2" X 1 1/4"
BWCR6540 2 1/2" X 1 1/2"
BWCR6550 2 1/2" X 2"
BWCR8025 3" X 1"
BWCR8032 3" X 1 1/4"
BWCR8040 3" X 1 1/2"
BWCR8050 3" X 2"
BWCR8065 3 X 2 1/2"
BWCR10040 4" X 1 1/2"
BWCR10050 4" X 2"
BWCR10065 4" X 2 1/2"
BWCR10080 4" X 3"
BWCR12565 5" X 2 1/2"
BWCR12580 5" X 3"
BWCR125100 5" X 4"
BWCR15050 6" X 2"
BWCR15065 6" X 2 1/2"
BWCR15080 6" X 3"
BWCR150100 6" X 4"
BWCR150125 6" X 5"
BWCR200100 8" X 4"
BWCR200125 8" X 5"
BWCR200150 8" X 6"
BWCR250100 10" X 4"
BWCR250150 10" X 6"
BWCR250200 10" X 8"
BWCR300150S 12" X 6"
BWCR300200S 12" X 8"
BWCR300250S 12" X 10"
BWCR350150S 14" X 6"
BWCR350200S 14" X 8"
BWCR350250S 14" X 10"
BWCR350300S 14" X 12"
BWCR400200S 16" X 8"
BWCR400250S 16" X 10"
BWCR400300S 16" X 12"
BWCR400350S 16" X 14"
BWCR450150S 18" X 6"
BWCR450200S 18" X 8"
BWCR450250S 18" X 10"
BWCR450300S 18" X 12"
BWCR450350S 18" X 14"
BWCR450400S 18" X 16"
Buttweld Concentric Reducer dimensions diagram

BUTTWELD CONCENTRIC REDUCER STD WT A234 B16.9

Code Size NB OD LARGE END OD SMALL END WT LARGE END WT SMALL END H SCH
BWCR2015 3/4″ X 1/2″ 20 x 15 26.7 21.3 2.87 2.77 38.0 SCH40 /STD
BWCR2515 1″ X 1/2″ 25 x 15 33.4 21.3 3.38 2.77 51.0 SCH40 /STD
BWCR2520 1″ X 3/4″ 25 x 20 33.4 26.7 3.38 2.87 51.0 SCH40 /STD
BWCR3215 1 1/4″ X 1/2″ 32 x 15 42.2 21.3 3.56 2.77 51.0 SCH40 /STD
BWCR3220 1 1/4″ X 3/4″ 32 x 20 42.2 26.7 3.56 2.87 51.0 SCH40 /STD
BWCR3225 1 1/4″ X 1″ 32 x 25 42.2 33.4 3.56 3.38 51.0 SCH40 /STD
BWCR4015 1 1/2″ X 1/2″ 40 x 15 48.3 21.3 3.68 2.77 64.0 SCH40 /STD
BWCR4020 1 1/2″ X 3/4″ 40 x 20 48.3 26.7 3.68 2.87 64.0 SCH40 /STD
BWCR4025 1 1/2″ X 1″ 40 x 25 48.3 33.4 3.68 3.38 64.0 SCH40 /STD
BWCR4032 1 1/2″ X 1 1/4″ 40 x 32 48.3 42.2 3.68 3.56 64.0 SCH40 /STD
BWCR5020 2″ X 3/4″ 50 x 20 60.3 26.7 3.91 2.87 76.0 SCH40 /STD
BWCR5025 2″ X 1″ 50 x 25 60.3 33.4 3.91 3.38 76.0 SCH40 /STD
BWCR5032 2″ X 1 1/4″ 50 x 32 60.3 42.2 3.91 3.56 76.0 SCH40 /STD
BWCR5040 2″ X 1 1/2″ 50 x 40 60.3 48.3 3.91 3.68 76.0 SCH40 /STD
BWCR6525 2 1/2″ X 1″ 65 x 25 73 33.4 5.16 3.38 89.0 SCH40 /STD
BWCR6532 2 1/2″ X 1 1/4″ 65 x 32 73 42.2 5.16 3.56 89.0 SCH40 /STD
BWCR6540 2 1/2″ X 1 1/2″ 65 x 40 73 48.3 5.16 3.68 89.0 SCH40 /STD
BWCR6550 2 1/2″ X 2″ 65 x 50 73 60.3 5.16 3.91 89.0 SCH40 /STD
BWCR8025 3″ X 1″ 80 x 25 88.9 33.4 5.49 3.38 89.0 SCH40 /STD
BWCR8032 3″ X 1 1/4″ 80 x 32 88.9 42.2 5.49 3.56 89.0 SCH40 /STD
BWCR8040 3″ X 1 1/2″ 80 x 40 88.9 48.3 5.49 3.68 89.0 SCH40 /STD
BWCR8050 3″ X 2″ 80 x 50 88.9 60.3 5.49 3.91 89.0 SCH40 /STD
BWCR8065 3″ X 2 1/2″ 80 x 65 88.9 73 5.49 5.16 89.0 SCH40 /STD
BWCR10040 4″ X 1 1/2″ 100 x 40 114.3 48.3 6.02 3.68 102.0 SCH40 /STD
BWCR10050 4″ X 2″ 100 x 50 114.3 60.3 6.02 3.91 102.0 SCH40 /STD
BWCR10065 4″ X 2 1/2″ 100 x 65 114.3 73 6.02 5.16 102.0 SCH40 /STD
BWCR10080 4″ X 3″ 100 x 80 114.3 88.9 6.02 5.49 102.0 SCH40 /STD
BWCR12565 5″ X 2 1/2″ 125 x 65 141.3 73 6.55 5.16 127.0 SCH40 /STD
BWCR12580 5″ X 3″ 125 x 80 141.3 88.9 6.55 5.49 127.0 SCH40 /STD
BWCR125100 5″ X 4″ 125 x 100 141.3 114.3 6.55 6.02 127.0 SCH40 /STD
BWCR15050 6″ X 2″ 150 x 50 168.3 60.3 7.11 3.91 140.0 SCH40 /STD
BWCR15065 6″ X 2 1/2″ 150 x 65 168.3 73 7.11 5.16 140.0 SCH40 /STD
BWCR15080 6″ X 3″ 150 x 80 168.3 88.9 7.11 5.49 140.0 SCH40 /STD
BWCR150100 6″ X 4″ 150 x 100 168.3 114.3 7.11 6.02 140.0 SCH40 /STD
BWCR150125 6″ X 5″ 150 x 125 168.3 141.3 7.11 6.55 140.0 SCH40 /STD
BWCR200100 8″ X 4″ 200 x 100 219.1 114.3 8.18 6.02 152.0 SCH40 /STD
BWCR200125 8″ X 5″ 200 x 125 219.1 141.3 8.18 6.55 152.0 SCH40 /STD
BWCR200150 8″ X 6″ 200 x 150 219.1 168.3 8.18 7.11 152.0 SCH40 /STD
BWCR250100 10″ X 4″ 250 x 100 273.1 114.3 9.27 6.02 178.0 SCH40 /STD
BWCR250150 10″ X 6″ 250 x 150 273.1 168.3 9.27 7.11 178.0 SCH40 /STD
BWCR250200 10″ X 8″ 250 x 200 273.1 219.1 9.27 8.18 178.0 SCH40 /STD
BWCR300150S 12″ X 6″ 300 x 150 323.9 168.3 9.53 7.11 203.0 STD
BWCR300200S 12″ X 8″ 300 x 200 323.9 219.1 9.53 9.53 203.0 STD
BWCR300250S 12″ X 10″ 300 x 250 323.9 273.1 9.53 9.27 203.0 STD
BWCR350150S 14″ X 6″ 350 x 150 355.6 168.3 9.53 7.11 330.0 STD
BWCR350200S 14″ X 8″ 350 x 200 355.6 219.1 9.53 8.18 330.0 STD
BWCR350250S 14″ X 10″ 350 x 250 355.6 273.1 9.53 9.27 330.0 STD
BWCR350300S 14″ X 12″ 350 x 300 355.6 323.9 9.53 9.53 330.0 STD
BWCR400200S 16″ X 8″ 400 x 200 406.4 219.1 9.53 8.18 356.0 STD
BWCR400250S 16″ X 10″ 400 x 250 406.4 273.1 9.53 9.27 356.0 STD
BWCR400300S 16″ X 12″ 400 x 300 406.4 323.9 9.53 9.53 356.0 STD
BWCR400350S 16″ X 14″ 400 x 350 406.4 355.6 9.53 9.53 356.0 STD
BWCR450150S 18″ X 6″ 450 x 150 457.2 168.3 9.53 7.11 381.0 STD
BWCR450200S 18″ X 8″ 450 x 200 457.2 219.1 9.53 8.18 381.0 STD
BWCR450250S 18″ X 10″ 450 x 250 457.2 273.1 9.53 9.27 381.0 STD
BWCR450300S 18″ X 12″ 450 x 300 457.2 323.9 9.53 9.53 381.0 STD
BWCR450350S 18″ X 14″ 450 x 350 457.2 355.6 9.53 9.53 381.0 STD
BWCR450400S 18″ X 16″ 450 x 400 457.2 406.4 9.53 9.53 381.0 STD

NOTE: OD = OUTSIDE DIAMETER
WT = WALL THICKNESS

This range of fittings are forged steel A234 material and comply to B16.9 spec.

  • Size Range: 20NB to 450NB

Value-added Services
Custom machining available on request.

+ Details
Buttweld Concentric Reducer dimensions diagram

BUTTWELD CONCENTRIC REDUCER STD WT A234 B16.9

Code Size NB OD LARGE END OD SMALL END WT LARGE END WT SMALL END H SCH
BWCR2015 3/4″ X 1/2″ 20 x 15 26.7 21.3 2.87 2.77 38.0 SCH40 /STD
BWCR2515 1″ X 1/2″ 25 x 15 33.4 21.3 3.38 2.77 51.0 SCH40 /STD
BWCR2520 1″ X 3/4″ 25 x 20 33.4 26.7 3.38 2.87 51.0 SCH40 /STD
BWCR3215 1 1/4″ X 1/2″ 32 x 15 42.2 21.3 3.56 2.77 51.0 SCH40 /STD
BWCR3220 1 1/4″ X 3/4″ 32 x 20 42.2 26.7 3.56 2.87 51.0 SCH40 /STD
BWCR3225 1 1/4″ X 1″ 32 x 25 42.2 33.4 3.56 3.38 51.0 SCH40 /STD
BWCR4015 1 1/2″ X 1/2″ 40 x 15 48.3 21.3 3.68 2.77 64.0 SCH40 /STD
BWCR4020 1 1/2″ X 3/4″ 40 x 20 48.3 26.7 3.68 2.87 64.0 SCH40 /STD
BWCR4025 1 1/2″ X 1″ 40 x 25 48.3 33.4 3.68 3.38 64.0 SCH40 /STD
BWCR4032 1 1/2″ X 1 1/4″ 40 x 32 48.3 42.2 3.68 3.56 64.0 SCH40 /STD
BWCR5020 2″ X 3/4″ 50 x 20 60.3 26.7 3.91 2.87 76.0 SCH40 /STD
BWCR5025 2″ X 1″ 50 x 25 60.3 33.4 3.91 3.38 76.0 SCH40 /STD
BWCR5032 2″ X 1 1/4″ 50 x 32 60.3 42.2 3.91 3.56 76.0 SCH40 /STD
BWCR5040 2″ X 1 1/2″ 50 x 40 60.3 48.3 3.91 3.68 76.0 SCH40 /STD
BWCR6525 2 1/2″ X 1″ 65 x 25 73 33.4 5.16 3.38 89.0 SCH40 /STD
BWCR6532 2 1/2″ X 1 1/4″ 65 x 32 73 42.2 5.16 3.56 89.0 SCH40 /STD
BWCR6540 2 1/2″ X 1 1/2″ 65 x 40 73 48.3 5.16 3.68 89.0 SCH40 /STD
BWCR6550 2 1/2″ X 2″ 65 x 50 73 60.3 5.16 3.91 89.0 SCH40 /STD
BWCR8025 3″ X 1″ 80 x 25 88.9 33.4 5.49 3.38 89.0 SCH40 /STD
BWCR8032 3″ X 1 1/4″ 80 x 32 88.9 42.2 5.49 3.56 89.0 SCH40 /STD
BWCR8040 3″ X 1 1/2″ 80 x 40 88.9 48.3 5.49 3.68 89.0 SCH40 /STD
BWCR8050 3″ X 2″ 80 x 50 88.9 60.3 5.49 3.91 89.0 SCH40 /STD
BWCR8065 3″ X 2 1/2″ 80 x 65 88.9 73 5.49 5.16 89.0 SCH40 /STD
BWCR10040 4″ X 1 1/2″ 100 x 40 114.3 48.3 6.02 3.68 102.0 SCH40 /STD
BWCR10050 4″ X 2″ 100 x 50 114.3 60.3 6.02 3.91 102.0 SCH40 /STD
BWCR10065 4″ X 2 1/2″ 100 x 65 114.3 73 6.02 5.16 102.0 SCH40 /STD
BWCR10080 4″ X 3″ 100 x 80 114.3 88.9 6.02 5.49 102.0 SCH40 /STD
BWCR12565 5″ X 2 1/2″ 125 x 65 141.3 73 6.55 5.16 127.0 SCH40 /STD
BWCR12580 5″ X 3″ 125 x 80 141.3 88.9 6.55 5.49 127.0 SCH40 /STD
BWCR125100 5″ X 4″ 125 x 100 141.3 114.3 6.55 6.02 127.0 SCH40 /STD
BWCR15050 6″ X 2″ 150 x 50 168.3 60.3 7.11 3.91 140.0 SCH40 /STD
BWCR15065 6″ X 2 1/2″ 150 x 65 168.3 73 7.11 5.16 140.0 SCH40 /STD
BWCR15080 6″ X 3″ 150 x 80 168.3 88.9 7.11 5.49 140.0 SCH40 /STD
BWCR150100 6″ X 4″ 150 x 100 168.3 114.3 7.11 6.02 140.0 SCH40 /STD
BWCR150125 6″ X 5″ 150 x 125 168.3 141.3 7.11 6.55 140.0 SCH40 /STD
BWCR200100 8″ X 4″ 200 x 100 219.1 114.3 8.18 6.02 152.0 SCH40 /STD
BWCR200125 8″ X 5″ 200 x 125 219.1 141.3 8.18 6.55 152.0 SCH40 /STD
BWCR200150 8″ X 6″ 200 x 150 219.1 168.3 8.18 7.11 152.0 SCH40 /STD
BWCR250100 10″ X 4″ 250 x 100 273.1 114.3 9.27 6.02 178.0 SCH40 /STD
BWCR250150 10″ X 6″ 250 x 150 273.1 168.3 9.27 7.11 178.0 SCH40 /STD
BWCR250200 10″ X 8″ 250 x 200 273.1 219.1 9.27 8.18 178.0 SCH40 /STD
BWCR300150S 12″ X 6″ 300 x 150 323.9 168.3 9.53 7.11 203.0 STD
BWCR300200S 12″ X 8″ 300 x 200 323.9 219.1 9.53 9.53 203.0 STD
BWCR300250S 12″ X 10″ 300 x 250 323.9 273.1 9.53 9.27 203.0 STD
BWCR350150S 14″ X 6″ 350 x 150 355.6 168.3 9.53 7.11 330.0 STD
BWCR350200S 14″ X 8″ 350 x 200 355.6 219.1 9.53 8.18 330.0 STD
BWCR350250S 14″ X 10″ 350 x 250 355.6 273.1 9.53 9.27 330.0 STD
BWCR350300S 14″ X 12″ 350 x 300 355.6 323.9 9.53 9.53 330.0 STD
BWCR400200S 16″ X 8″ 400 x 200 406.4 219.1 9.53 8.18 356.0 STD
BWCR400250S 16″ X 10″ 400 x 250 406.4 273.1 9.53 9.27 356.0 STD
BWCR400300S 16″ X 12″ 400 x 300 406.4 323.9 9.53 9.53 356.0 STD
BWCR400350S 16″ X 14″ 400 x 350 406.4 355.6 9.53 9.53 356.0 STD
BWCR450150S 18″ X 6″ 450 x 150 457.2 168.3 9.53 7.11 381.0 STD
BWCR450200S 18″ X 8″ 450 x 200 457.2 219.1 9.53 8.18 381.0 STD
BWCR450250S 18″ X 10″ 450 x 250 457.2 273.1 9.53 9.27 381.0 STD
BWCR450300S 18″ X 12″ 450 x 300 457.2 323.9 9.53 9.53 381.0 STD
BWCR450350S 18″ X 14″ 450 x 350 457.2 355.6 9.53 9.53 381.0 STD
BWCR450400S 18″ X 16″ 450 x 400 457.2 406.4 9.53 9.53 381.0 STD

NOTE: OD = OUTSIDE DIAMETER
WT = WALL THICKNESS

+ Features

This range of fittings are forged steel A234 material and comply to B16.9 spec.

  • Size Range: 20NB to 450NB

Value-added Services
Custom machining available on request.

SKU: BWCR Category: