Stainless Steel Reducing Buttweld Pipe Fittings
Reducing Buttweld Pipe Fittings connect Pipe of different sizes in piping systems. They are installed via welding and contain one or more ports that are smaller in diametre than the main line, enabling splitting or merging of fluid or gas flow.
Stirlings stocks a range of Seamless and Welded Reducing Buttweld Pipe Fittings, including Concentric Reducer, Eccentric Reducer and Reducing Tee Fittings. These are in Austenitic 304/L, 316/L, Duplex 2205 and Super Duplex 2507.
Grade 304/L and Grade 316/L Buttweld Pipe Fittings are manufactured to ASTM A403 and ASME B16.9.
Grade 2205 and 2507 Buttweld Pipe Fittings are manufactured to ASTM A815.
Reducing Buttweld Pipe Fittings are finished pickled.
Stirlings stocks Schedule 10S, 40S, STD, 80S and XS Welded and Seamless Reducing Buttweld Pipe Fittings in sizes from ¾ x ½ inch (20 x 15mm) to 24 x 20 inches (600mm x 500mm). Everything currently in stock is specified in the tables below.
● Stocked Item ○ Market Available
Anything not currently in stock/Market Available can be obtained via indent.
Welded Buttweld Concentric Reducer
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|---|---|---|---|---|---|---|---|
| ReSize - Nominal Bore | Concentric Reducer | ||||||
| Inch (NPS) |
mm (DN) |
304L | 304L | 316L | 316L | 2205 | 2205 |
| Sch 10S | Sch 40S | Sch 10S | Sch 40S | Sch 10S | Sch 40S | ||
| FPRC3041 | FPRC3044 | FPRC3161 | FPRC3164 | FPRC22051 | FPRC22054 | ||
| ¾ x ½ | 20 x 15 | ● | ● | ● | ● | ○ | ○ |
| 1 x ½ | 25 x 15 | ● | ● | ● | ● | ○ | ○ |
| 1 x ¾ | 25 x 20 | ● | ● | ● | ● | ○ | ○ |
| 1¼ x ¾ | 32 x 20 | ○ | ○ | ● | ○ | ○ | ○ |
| 1¼ x 1 | 32 x 25 | ● | ● | ● | ● | ○ | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ● | ● | ○ | ○ |
| 1½ x 1 | 40 x 25 | ● | ● | ● | ● | ○ | ○ |
| 1½ x 1¼ | 40 x 32 | ● | ● | ● | ● | ○ | ○ |
| 2 x ¾ | 50 x 20 | ○ | ○ | ○ | ○ | ○ | ○ |
| 2 x 1 | 50 x 25 | ● | ● | ● | ● | ○ | ○ |
| 2 x 1¼ | 50 x 32 | ● | ○ | ● | ● | ○ | ○ |
| 2 x 1½ | 50 x 40 | ● | ● | ● | ● | ○ | ○ |
| 2½ x 1¼ | 65 x 32 | ○ | ○ | ● | ● | ○ | ○ |
| 2½ x 1½ | 65 x 40 | ● | ● | ● | ● | ○ | ○ |
| 2½ x 2 | 65 x 50 | ● | ● | ● | ● | ○ | ○ |
| 3 x 1 | 80 x 25 | ○ | ○ | ● | ● | ○ | ○ |
| 3 x 1¼ | 80 x 32 | ○ | ○ | ● | ○ | ○ | ○ |
| 3 x 1½ | 80 x 40 | ● | ○ | ● | ● | ○ | ○ |
| 3 x 2 | 80 x 50 | ● | ● | ● | ● | ○ | ○ |
| 3 x 2½ | 80 x 65 | ● | ○ | ● | ● | ○ | ○ |
| 4 x 1½ | 100 x 40 | ○ | ○ | ● | ● | ○ | ○ |
| 4 x 2 | 100 x 50 | ● | ● | ● | ● | ○ | ○ |
| 4 x 2½ | 100 x 65 | ● | ○ | ● | ● | ○ | ○ |
| 4 x 3 | 100 x 80 | ● | ● | ● | ● | ● | ○ |
| 5 x 2½ | 125 x 65 | ○ | ○ | ● | ○ | ○ | ○ |
| 5 x 3 | 125 x 80 | ○ | ○ | ● | ● | ○ | ○ |
| 5 x 4 | 125 x 100 | ● | ○ | ● | ● | ○ | ○ |
| 6 x 2½ | 150 x 65 | ○ | ○ | ● | ○ | ○ | ○ |
| 6 x 3 | 150 x 80 | ● | ● | ● | ● | ○ | ○ |
| 6 x 4 | 150 x 100 | ● | ● | ● | ● | ○ | ○ |
| 6 x 5 | 150 x 125 | ● | ● | ● | ● | ○ | ○ |
| 8 x 4 | 200 x 100 | ● | ○ | ● | ● | ○ | ○ |
| 8 x 5 | 200 x 125 | ○ | ○ | ● | ● | ○ | ○ |
| 8 x 6 | 200 x 150 | ● | ● | ● | ● | ○ | ○ |
| 10 x 4 | 250 x 100 | ● | ○ | ● | ● | ○ | ○ |
| 10 x 5 | 250 x 125 | ○ | ○ | ● | ○ | ○ | ○ |
| 10 x 6 | 250 x 150 | ● | ● | ● | ● | ● | ● |
| 10 x 8 | 250 x 200 | ● | ● | ● | ● | ● | ● |
| 12 x 6 | 300 x 150 | ○ | ○ | ● | ● | ○ | ○ |
| 12 x 8 | 300 x 200 | ● | ● | ● | ● | ○ | ○ |
| 12 x 10 | 300 x 250 | ○ | ○ | ● | ● | ○ | ○ |
| STD | STD | ||||||
| 14 x 8 | 350 x 200 | ○ | ○ | ● | ● | ○ | ○ |
| 14 x 10 | 350 x 250 | ○ | ○ | ● | ● | ○ | ○ |
| 14 x 12 | 350 x 300 | ○ | ○ | ● | ● | ○ | ○ |
| 16 x 8 | 400 x 200 | ○ | ○ | ● | ● | ○ | ○ |
| 16 x 10 | 400 x 250 | ○ | ○ | ● | ● | ○ | ○ |
| 16 x 12 | 400 x 300 | ○ | ○ | ● | ● | ○ | ○ |
| 16 x 14 | 400 x 350 | ○ | ○ | ● | ● | ○ | ○ |
| 18 x 12 | 450 x 300 | ○ | ○ | ● | ● | ○ | ○ |
| 18 x 14 | 450 x 350 | ○ | ○ | ● | ● | ○ | ○ |
| 18 x 16 | 450 x 400 | ○ | ○ | ● | ● | ○ | ○ |
| 20 x 12 | 500 x 300 | ○ | ○ | ● | ● | ○ | ○ |
| 20 x 14 | 500 x 350 | ○ | ○ | ● | ● | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ○ | ● | ● | ○ | ○ |
| 20 x 18 | 500 x 450 | ○ | ○ | ● | ● | ○ | ○ |
| 24 x 12 | 600 x 300 | ○ | ○ | ● | ● | ○ | ○ |
| 24 x 14 | 600 x 350 | ○ | ○ | ● | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ○ | ● | ● | ○ | ○ |
| 24 x 18 | 600 x 450 | ○ | ○ | ● | ● | ○ | ○ |
| 24 x 20 | 600 x 500 | ○ | ○ | ● | ○ | ○ | ○ |
| 30 x 24 | 750 x 600 | ||||||
Seamless Buttweld Concentric Reducer
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|---|---|---|---|---|---|---|---|---|---|---|---|
| ReSize - Nominal Bore | Concentric Reducer | ||||||||||
| Inch (NPS) |
mm (DN) |
304L | 304L | 304L | 316L | 316L | 316L | 2205 | 2205 | 2205 | 2507 |
| Sch 10S | Sch 40S | Sch 80S | Sch 10S | Sch 40S | Sch 80S | Sch 10S | Sch 40S | Sch 80S | Sch 40S | ||
| SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | ||
| ¾ x ½ | 20 x 15 | ○ | ○ | ○ | ● | ● | ● | ○ | ○ | ● | ● |
| 1 x ½ | 25 x 15 | ● | ● | ● | ● | ● | ● | ○ | ○ | ● | ● |
| 1 x ¾ | 25 x 20 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 1¼ x ¾ | 32 x 20 | ● | ● | ○ | ● | ○ | ○ | ● | ○ | ○ | ○ |
| 1¼ x 1 | 32 x 25 | ● | ● | ○ | ● | ● | ● | ● | ○ | ● | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ○ | ● | ○ | ● | ○ | ○ | ○ | ○ |
| 1½ x 1 | 40 x 25 | ● | ● | ● | ● | ● | ● | ● | ○ | ● | ● |
| 1½ x 1¼ | 40 x 32 | ● | ● | ○ | ● | ● | ● | ○ | ○ | ● | ● |
| 2 x ¾ | 50 x 20 | ○ | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ | ○ |
| 2 x 1 | 50 x 25 | ● | ● | ● | ● | ● | ● | ● | ● | ○ | ● |
| 2 x 1¼ | 50 x 32 | ● | ● | ○ | ● | ● | ● | ○ | ○ | ○ | ● |
| 2 x 1½ | 50 x 40 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ○ |
| 2½ x 1½ | 65 x 40 | ○ | ○ | ○ | ● | ● | ○ | ○ | ○ | ● | ○ |
| 2½ x 2 | 65 x 50 | ● | ● | ○ | ● | ● | ● | ○ | ○ | ○ | ○ |
| 3 x 1½ | 80 x 40 | ○ | ○ | ○ | ○ | ● | ● | ○ | ○ | ○ | ● |
| 3 x 2○ | 80 x 50 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 3 x 2½ | 80 x 65 | ● | ● | ○ | ● | ● | ● | ○ | ○ | ○ | ● |
| 4 x 2 | 100 x 50 | ● | ● | ● | ● | ● | ● | ● | ● | ○ | ● |
| 4 x 2½ | 100 x 65 | ● | ● | ○ | ○ | ○ | ● | ○ | ○ | ○ | ● |
| 4 x 3 | 100 x 80 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 5 x 3 | 125 x 80 | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ | ○ | ○ |
| 5 x 4 | 125 x 100 | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ | ○ | ○ |
| 6 x 3 | 150 x 80 | ● | ● | ● | ● | ● | ● | ● | ● | ○ | ● |
| 6 x 4 | 150 x 100 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 6 x 5 | 150 x 125 | ○ | ○ | ○ | ● | ● | ● | ○ | ○ | ○ | ● |
| 8 x 4 | 200 x 100 | ● | ● | ● | ● | ● | ○ | ● | ● | ○ | ● |
| 8 x 5 | 200 x 125 | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ | ○ | ○ |
| 8 x 6 | 200 x 150 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 10 x 4 | 250 x 100 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 10 x 6 | 250 x 150 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 10 x 8 | 250 x 200 | ○ | ○ | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ |
| 12 x 6 | 300 x 150 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 12 x 8 | 300 x 200 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 12 x 10 | 300 x 250 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| STD | XS | ||||||||||
| 14 x 8 | 350 x 200 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 14 x 10 | 350 x 250 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 14 x 12 | 350 x 300 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 16 x 8 | 400 x 200 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 16 x 10 | 400 x 250 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 16 x 12 | 400 x 300 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 16 x 14 | 400 x 350 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 18 x 12 | 450 x 300 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 18 x 14 | 450 x 350 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 18 x 16 | 450 x 400 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 20 x 12 | 500 x 300 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 20 x 14 | 500 x 350 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 20 x 18 | 500 x 450 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 12 | 600 x 300 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 14 | 600 x 350 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 18 | 600 x 450 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 20 | 600 x 500 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
Welded Buttweld Eccentric Reducer
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|---|---|---|---|---|---|---|
| ReSize - Nominal Bore | Eccentric Reducer | |||||
| Inch (NPS) | mm (DN) | 304L | 304L | 316L | 316L | 316L |
| Sch 10S | Sch 40S | Sch 10S | Sch 40S | Sch 80S | ||
| ¾ x ½ | 20 x 15 | ● | ● | ● | ● | ○ |
| 1 x ½ | 25 x 15 | ● | ● | ● | ● | ○ |
| 1 x ¾ | 25 x 20 | ● | ● | ● | ● | ● |
| 1¼ x 1 | 32 x 25 | ● | ● | ● | ● | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ○ | ● | ○ |
| 1½ x 1 | 40 x 25 | ● | ● | ● | ● | ● |
| 1½ x 1¼ | 40 x 32 | ● | ● | ● | ● | ○ |
| 2 x ¾ | 50 x 20 | ○ | ○ | ○ | ● | ○ |
| 2 x 1 | 50 x 25 | ● | ● | ● | ● | ● |
| 2 x 1¼ | 50 x 32 | ● | ● | ● | ● | ○ |
| 2 x 1½ | 50 x 40 | ● | ● | ● | ● | ● |
| 2½ x 1½ | 65 x 40 | ● | ● | ● | ● | ○ |
| 2½ x 2 | 65 x 50 | ● | ● | ● | ● | ● |
| 3 x 1½ | 80 x 40 | ● | ● | ● | ● | ○ |
| 3 x 2 | 80 x 50 | ● | ● | ● | ● | ● |
| 3 x 2½ | 80 x 65 | ● | ● | ● | ● | ● |
| 4 x 1½ | 100 x 40 | ○ | ○ | ● | ○ | ○ |
| 4 x 2 | 100 x 50 | ● | ● | ● | ● | ● |
| 4 x 2½ | 100 x 65 | ● | ● | ● | ● | ○ |
| 4 x 3 | 100 x 80 | ● | ● | ● | ● | ● |
| 5 x 3 | 125 x 80 | ○ | ○ | ○ | ● | ● |
| 5 x 4 | 125 x 100 | ● | ● | ● | ● | ● |
| 6 x 2 | 150 x 50 | ○ | ○ | ○ | ○ | ○ |
| 6 x 3 | 150 x 80 | ● | ● | ● | ● | ○ |
| 6 x 4 | 150 x 100 | ● | ● | ● | ● | ● |
| 6 x 5 | 150 x 125 | ● | ● | ● | ● | ● |
| 8 x 3 | 200 x 80 | ○ | ○ | ○ | ○ | ○ |
| 8 x 4 | 200 x 100 | ● | ● | ● | ● | ○ |
| 8 x 5 | 200 x 125 | ○ | ○ | ● | ● | ○ |
| 8 x 6 | 200 x 150 | ● | ● | ● | ● | ● |
| 10 x 4 | 250 x 100 | ○ | ○ | ○ | ○ | ○ |
| 10 x 5 | 250 x 125 | ○ | ○ | ● | ● | ○ |
| 10 x 6 | 250 x 150 | ● | ● | ● | ● | ○ |
| 10 x 8 | 250 x 200 | ● | ● | ● | ● | ○ |
| 12 x 6 | 300 x 150 | ○ | ○ | ● | ● | ○ |
| 12 x 8 | 300 x 200 | ● | ● | ● | ● | ○ |
| 12 x 10 | 300 x 250 | ● | ● | ● | ● | ○ |
| STD | STD | |||||
| 14 x 8 | 350 x 200 | ○ | ○ | ● | ● | ○ |
| 14 x 10 | 350 x 250 | ○ | ○ | ● | ● | ○ |
| 14 x 12 | 350 x 300 | ○ | ○ | ● | ● | ○ |
| 16 x 6 | 400 x 200 | ○ | ○ | ○ | ○ | ○ |
| 16 x 10 | 400 x 250 | ○ | ○ | ● | ● | ○ |
| 16 x 12 | 400 x 300 | ○ | ○ | ● | ● | ○ |
| 16 x 14 | 400 x 350 | ○ | ○ | ● | ● | ○ |
| 18 x 10 | 450 x 250 | ○ | ○ | ● | ○ | ○ |
| 18 x 12 | 450 x 300 | ○ | ○ | ● | ● | ○ |
| 18 x 14 | 450 x 350 | ○ | ○ | ● | ● | ○ |
| 18 x 16 | 450 x 400 | ○ | ○ | ● | ● | ○ |
| 20 x 12 | 500 x 300 | ○ | ○ | ● | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ○ | ● | ○ | ○ |
| 20 x 18 | 500 x 450 | ○ | ○ | ● | ○ | ○ |
| 24 x 12 | 600 x 300 | ○ | ○ | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ○ | ● | ○ | ○ |
| 24 x 18 | 600 x 450 | ○ | ○ | ● | ○ | ○ |
| 24 x 20 | 600 x 500 | ○ | ○ | ● | ○ | ○ |
Welded Buttweld Reducing Tee
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||||
|---|---|---|---|---|
| ReSize - Nominal Bore | Reducing Tee | |||
| Inch (NPS) | mm (DN) | 304L | 316L | 316L |
| Sch 10S | Sch 10S | Sch 40S | ||
| ¾ x ½ | 20 x 15 | ○ | ● | ○ |
| 1 x ½ | 25 x 15 | ○ | ● | ○ |
| 1 x ¾ | 25 x 20 | ○ | ● | ○ |
| 1¼ x 1 | 32 x 25 | ○ | ● | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ○ |
| 1½ x 1 | 40 x 25 | ○ | ● | ● |
| 1½ x 1¼ | 40 x 32 | ○ | ● | ○ |
| 2 x ¾ | 50 x 20 | ○ | ○ | ○ |
| 2 x 1 | 50 x 25 | ○ | ● | ● |
| 2 x 1¼ | 50 x 32 | ○ | ● | ○ |
| 2 x 1½ | 50 x 40 | ○ | ● | ● |
| 2½ x 1½ | 65 x 40 | ○ | ○ | ○ |
| 2½ x 2 | 65 x 50 | ○ | ● | ○ |
| 3 x 1½ | 80 x 40 | ○ | ● | ● |
| 3 x 2 | 80 x 50 | ○ | ● | ● |
| 3 x 2½ | 80 x 65 | ○ | ● | ○ |
| 4 x 1½ | 100 x 40 | ○ | ○ | ○ |
| 4 x 2 | 100 x 50 | ○ | ● | ● |
| 4 x 2½ | 100 x 65 | ○ | ● | ○ |
| 4 x 3 | 100 x 80 | ○ | ● | ● |
| 5 x 3 | 125 x 80 | ○ | ○ | ○ |
| 5 x 4 | 125 x 100 | ○ | ● | ○ |
| 6 x 2 | 150 x 50 | ○ | ● | ○ |
| 6 x 3 | 150 x 80 | ○ | ● | ● |
| 6 x 4 | 150 x 100 | ○ | ● | ● |
| 6 x 5 | 150 x 125 | ○ | ● | ○ |
| 8 x 3 | 200 x 80 | ○ | ● | ○ |
| 8 x 4 | 200 x 100 | ○ | ● | ● |
| 8 x 5 | 200 x 125 | ○ | ○ | ○ |
| 8 x 6 | 200 x 150 | ○ | ● | ● |
| 10 x 4 | 250 x 100 | ○ | ● | ○ |
| 10 x 5 | 250 x 125 | ○ | ○ | ○ |
| 10 x 6 | 250 x 150 | ○ | ● | ● |
| 10 x 8 | 250 x 200 | ○ | ● | ● |
| 12 x 6 | 300 x 150 | ○ | ● | ○ |
| 12 x 8 | 300 x 200 | ○ | ● | ● |
| 12 x 10 | 300 x 250 | ○ | ● | ● |
| STD | ||||
| 14 x 8 | 350 x 200 | ○ | ○ | ○ |
| 14 x 10 | 350 x 250 | ○ | ○ | ○ |
| 14 x 12 | 350 x 300 | ○ | ○ | ○ |
| 16 x 6 | 400 x 200 | ○ | ● | ○ |
| 16 x 10 | 400 x 250 | ○ | ● | ○ |
| 16 x 12 | 400 x 300 | ○ | ● | ○ |
| 16 x 14 | 400 x 350 | ○ | ● | ○ |
| 18 x 10 | 450 x 250 | ○ | ○ | ○ |
| 18 x 12 | 450 x 300 | ○ | ● | ○ |
| 18 x 14 | 450 x 350 | ○ | ● | ○ |
| 18 x 16 | 450 x 400 | ○ | ● | ○ |
| 20 x 12 | 500 x 300 | ○ | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ● | ○ |
| 20 x 18 | 500 x 450 | ○ | ● | ○ |
| 24 x 12 | 600 x 300 | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ● | ○ |
| 24 x 18 | 600 x 450 | ○ | ● | ○ |
| 24 x 20 | 600 x 500 | ○ | ● | ○ |
Seamless Buttweld Eccentric Reducer
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|||||||
|---|---|---|---|---|---|---|---|
| ReSize - Nominal Bore | Eccentric Reducer | ||||||
| Inch (NPS) | mm (DN) | 304L | 304L | 316L | 316L | 2205 | 2205 |
| Sch 10S | Sch 40S | Sch 10S | Sch 40S | Sch 10S | Sch 40S | ||
| SMLS | SMLS | SMLS | SMLS | SMLS | SMLS | ||
| ¾ x ½ | 20 x 15 | ○ | ○ | ● | ● | ○ | ○ |
| 1 x ½ | 25 x 15 | ● | ● | ● | ● | ○ | ○ |
| 1 x ¾ | 25 x 20 | ● | ● | ● | ● | ● | ● |
| 1¼ x ¾ | 32 x 20 | ● | ● | ● | ● | ○ | ○ |
| 1¼ x 1 | 32 x 25 | ● | ● | ● | ● | ○ | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ○ | ○ | ● | ● |
| 1½ x 1 | 40 x 25 | ● | ● | ● | ● | ● | ● |
| 1½ x 1¼ | 40 x 32 | ● | ● | ● | ● | ○ | ○ |
| 2 x 1 | 50 x 25 | ● | ● | ● | ● | ● | ● |
| 2 x 1¼ | 50 x 32 | ● | ● | ● | ● | ○ | ○ |
| 2 x 1½ | 50 x 40 | ● | ● | ● | ● | ● | ● |
| 2½ x 1½ | 65 x 40 | ○ | ○ | ● | ● | ○ | ○ |
| 2½ x 2 | 65 x 50 | ● | ● | ● | ● | ○ | ○ |
| 3 x 1½ | 80 x 40 | ○ | ○ | ○ | ○ | ○ | ○ |
| 3 x 2 | 80 x 50 | ● | ● | ● | ● | ● | ● |
| 3 x 2½ | 80 x 65 | ● | ● | ● | ● | ○ | ○ |
| 4 x 2 | 100 x 50 | ● | ● | ● | ● | ● | ● |
| 4 x 2½ | 100 x 65 | ● | ● | ● | ● | ○ | ○ |
| 4 x 3 | 100 x 80 | ● | ● | ● | ● | ● | ● |
| 5 x 3 | 125 x 80 | ○ | ○ | ● | ● | ○ | ○ |
| 5 x 4 | 125 x 100 | ○ | ○ | ● | ● | ○ | ○ |
| 6 x 3 | 150 x 80 | ● | ● | ● | ● | ○ | ○ |
| 6 x 4 | 150 x 100 | ● | ● | ● | ● | ● | ● |
| 6 x 5 | 150 x 125 | ○ | ○ | ● | ● | ○ | ○ |
| 8 x 4 | 200 x 100 | ● | ● | ● | ● | ● | ● |
| 8 x 5 | 200 x 125 | ○ | ○ | ● | ● | ○ | ○ |
| 8 x 6 | 200 x 150 | ● | ● | ● | ● | ● | ● |
| 10 x 4 | 250 x 100 | ○ | ○ | ○ | ○ | ○ | ○ |
| 10 x 6 | 250 x 150 | ○ | ○ | ○ | ○ | ○ | ○ |
| 10 x 8 | 250 x 200 | ○ | ○ | ○ | ○ | ○ | ○ |
| 12 x 6 | 300 x 150 | ○ | ○ | ○ | ○ | ○ | ○ |
| 12 x 8 | 300 x 200 | ○ | ○ | ○ | ○ | ○ | ○ |
| 12 x 10 | 300 x 250 | ○ | ○ | ○ | ○ | ○ | ○ |
| STD | STD | ||||||
| 18 x 16 | 450 x 400 | ○ | ○ | ○ | ○ | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ○ | ○ | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ○ | ○ | ○ | ○ | ○ |
Seamless Buttweld Reducing Tee
![]() |
||||||
|---|---|---|---|---|---|---|
| ReSize - Nominal Bore | Reducing Tee | |||||
| Inch (NPS) | mm (DN) | 304L | 304L | 316L | 316L | 2205 |
| Sch 10S | Sch 40S | Sch 10S | Sch 40S | Sch 40S | ||
| SMLS | SMLS | SMLS | SMLS | SMLS | ||
| ¾ x ½ | 20 x 15 | ○ | ○ | ● | ● | ○ |
| 1 x ½ | 25 x 15 | ● | ● | ○ | ○ | ○ |
| 1 x ¾ | 25 x 20 | ● | ● | ● | ● | ● |
| 1¼ x ¾ | 32 x 20 | ● | ● | ○ | ○ | ○ |
| 1¼ x 1 | 32 x 25 | ● | ● | ○ | ○ | ○ |
| 1½ x ¾ | 40 x 20 | ○ | ○ | ○ | ○ | ○ |
| 1½ x 1 | 40 x 25 | ● | ● | ● | ● | ● |
| 1½ x 1¼ | 40 x 32 | ● | ● | ○ | ○ | ○ |
| 2 x 1 | 50 x 25 | ● | ● | ● | ● | ● |
| 2 x 1¼ | 50 x 32 | ● | ● | ○ | ○ | ○ |
| 2 x 1½ | 50 x 40 | ● | ● | ● | ○ | ○ |
| 2½ x 1½ | 65 x 40 | ○ | ○ | ○ | ○ | ○ |
| 2½ x 2 | 65 x 50 | ● | ● | ○ | ○ | ○ |
| 3 x 1½ | 80 x 40 | ○ | ○ | ○ | ○ | ○ |
| 3 x 2 | 80 x 50 | ● | ● | ● | ● | ● |
| 3 x 2½ | 80 x 65 | ● | ● | ○ | ○ | ○ |
| 4 x 2 | 100 x 50 | ● | ● | ● | ● | ● |
| 4 x 2½ | 100 x 65 | ● | ● | ○ | ○ | ○ |
| 4 x 3 | 100 x 80 | ● | ● | ● | ● | ● |
| 5 x 3 | 125 x 80 | ○ | ○ | ○ | ○ | ○ |
| 5 x 4 | 125 x 100 | ○ | ○ | ○ | ○ | ○ |
| 6 x 3 | 150 x 80 | ● | ● | ● | ● | ● |
| 6 x 4 | 150 x 100 | ● | ● | ● | ● | ● |
| 6 x 5 | 150 x 125 | ○ | ○ | ○ | ○ | ○ |
| 8 x 4 | 200 x 100 | ● | ● | ● | ● | ● |
| 8 x 5 | 200 x 125 | ○ | ○ | ○ | ○ | ○ |
| 8 x 6 | 200 x 150 | ● | ● | ● | ● | ● |
| 10 x 4 | 250 x 100 | ○ | ○ | ○ | ○ | ○ |
| 10 x 6 | 250 x 150 | ○ | ○ | ○ | ○ | ○ |
| 10 x 8 | 250 x 200 | ○ | ○ | ○ | ○ | ○ |
| 12 x 6 | 300 x 150 | ○ | ○ | ○ | ○ | ○ |
| 12 x 8 | 300 x 200 | ○ | ○ | ○ | ○ | ○ |
| 12 x 10 | 300 x 250 | ○ | ○ | ○ | ○ | ○ |
| STD | ||||||
| 18 x 16 | 450 x 400 | ○ | ○ | ○ | ○ | ○ |
| 20 x 16 | 500 x 400 | ○ | ○ | ○ | ○ | ○ |
| 24 x 16 | 600 x 400 | ○ | ○ | ○ | ○ | ○ |
Technical Data
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||||||||
|---|---|---|---|---|---|---|---|---|
| Imperial | Metric | Conc. & Ecc. Reducers | ||||||
| O.D. 1 | O.D. 2 | H | Wgt 10S | Wgt 40S | Wgt 80S | Wgt 160S | ||
| ¾ x ½ | 20 x 15 | 26.7 | 21.3 | 39.3 | 0.05 | 0.06 | 0.08 | 0.11 |
| 1 x ½ | 25 x 15 | 33.4 | 21.3 | 50.8 | 0.09 | 0.11 | 0.14 | 0.18 |
| 1 x ¾ | 25 x 20 | 33.4 | 26.7 | 50.8 | 0.12 | 0.14 | 0.18 | 0.23 |
| 1¼ x ¾ | 32 x 20 | 42.2 | 26.7 | 50.8 | 0.11 | 0.14 | 0.18 | 0.23 |
| 1¼ x 1 | 32 x 25 | 42.2 | 33.4 | 50.8 | 0.13 | 0.16 | 0.21 | 0.28 |
| 1½ x ¾ | 40 x 20 | 48.3 | 26.7 | 63.5 | 0.15 | 0.2 | 0.27 | 0.36 |
| 1½ x 1 | 40 x 25 | 48.3 | 33.4 | 63.5 | 0.17 | 0.22 | 0.29 | 0.38 |
| 1½ x 1¼ | 40 x 32 | 48.3 | 42.2 | 63.5 | 0.18 | 0.24 | 0.32 | 0.43 |
| 2 x ¾ | 50 x 20 | 60.3 | 26.7 | 76.2 | 0.22 | 0.3 | 0.41 | 0.56 |
| 2 x 1 | 50 x 25 | 60.3 | 33.4 | 76.2 | 0.23 | 0.32 | 0.44 | 0.6 |
| 2 x 1¼ | 50 x 32 | 60.3 | 42.2 | 76.2 | 0.25 | 0.35 | 0.48 | 0.66 |
| 2 x 1½ | 50 x 40 | 60.3 | 48.3 | 76.2 | 0.27 | 0.37 | 0.51 | 0.7 |
| 2½ x 1¼ | 65 x 32 | 73 | 42.2 | 88.9 | 0.38 | 0.63 | 0.83 | 1.09 |
| 2½ x 1½ | 65 x 40 | 73 | 48.3 | 88.9 | 0.4 | 0.66 | 0.87 | 1.15 |
| 2½ x 2 | 65 x 50 | 73 | 60.3 | 88.9 | 0.44 | 0.72 | 0.95 | 1.25 |
| 3 x 1 | 80 x 25 | 88.9 | 33.4 | 88.9 | 0.4 | 0.7 | 0.94 | 1.28 |
| 3 x 1¼ | 80 x 32 | 88.9 | 42.2 | 88.9 | 0.43 | 0.76 | 1.03 | 1.4 |
| 3 x 1½ | 80 x 40 | 88.9 | 48.3 | 88.9 | 0.44 | 0.78 | 1.05 | 1.41 |
| 3 x 2 | 80 x 50 | 88.9 | 60.3 | 88.9 | 0.48 | 0.85 | 1.15 | 1.56 |
| 3 x 2½ | 80 x 65 | 88.9 | 73 | 88.9 | 0.53 | 0.93 | 1.26 | 1.71 |
| 4 x 1½ | 100 x 40 | 114.3 | 48.3 | 101.6 | 0.61 | 1.18 | 1.64 | 2.28 |
| 4 x 2 | 100 x 50 | 114.3 | 60.3 | 101.6 | 0.66 | 1.27 | 1.77 | 2.47 |
| 4 x 2½ | 100 x 65 | 114.3 | 73 | 101.6 | 0.71 | 1.37 | 1.9 | 2.64 |
| 4 x 3 | 100 x 80 | 114.3 | 88.9 | 101.6 | 0.75 | 1.45 | 2.02 | 2.81 |
| 5 x 2½ | 125 x 65 | 141.3 | 73 | 127 | 1.14 | 2.16 | 3.07 | 4.36 |
| 5 x 3 | 125 x 80 | 141.3 | 88.9 | 127 | 1.2 | 2.27 | 3.22 | 4.57 |
| 5 x 4 | 125 x 100 | 141.3 | 114.3 | 127 | 1.33 | 2.5 | 3.55 | 5.04 |
| 6 x 2½ | 150 x 65 | 168.3 | 73 | 139.7 | 1.42 | 2.89 | 5.66 | 11.08 |
| 6 x 3 | 150 x 80 | 168.3 | 88.9 | 139.7 | 1.49 | 3.04 | 5.94 | 11.61 |
| 6 x 4 | 150 x 100 | 168.3 | 114.3 | 139.7 | 1.62 | 3.3 | 4.98 | 7.52 |
| 8 x 4 | 200 x 100 | 219.1 | 114.3 | 152.4 | 2.4 | 5.1 | 7.75 | 11.78 |
| 8 x 5 | 200 x 125 | 219.1 | 141.3 | 152.4 | 2.54 | 5.4 | 8.21 | 12.48 |
| 8 x 6 | 200 x 150 | 219.1 | 168.3 | 152.4 | 2.68 | 5.71 | 8.68 | 13.19 |
| 10 x 4 | 250 x 100 | 273.1 | 114.3 | 177.8 | 4.73 | 10.52 | 12.56 | 15 |
| 10 x 5 | 250 x 125 | 273.1 | 141.3 | 177.8 | 3.87 | 8.42 | 11.37 | 15.35 |
| 10 x 6 | 250 x 150 | 273.1 | 168.3 | 177.8 | 4 | 8.78 | 14 | 22.32 |
| 10 x 8 | 250 x 200 | 273.1 | 219.1 | 177.8 | 4.4 | 9.58 | 15.2 | 24.12 |
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|||||||
|---|---|---|---|---|---|---|---|
| Imperial | Metric | Reducing Tee | |||||
| C | M | Wgt 10S | Wgt 40S | Wgt 80S | Wgt 160S | ||
| ¾ x ½ | 20 x 15 | 29 | 29 | 0.09 | 0.12 | 0.16 | 0.21 |
| 1 x ½ | 25 x 15 | 38 | 38 | 0.18 | 0.22 | 0.29 | 0.38 |
| 1 x ¾ | 25 x 20 | 38 | 38 | 0.19 | 0.23 | 0.3 | 0.39 |
| 1¼ x ¾ | 32 x 20 | 49 | 48 | 0.3 | 0.37 | 0.48 | 0.62 |
| 1¼ x 1 | 32 x 25 | 49 | 49 | 0.31 | 0.39 | 0.51 | 0.67 |
| 1½ x ¾ | 40 x 20 | 57 | 57 | 0.4 | 0.52 | 0.7 | 0.94 |
| 1½ x 1 | 40 x 25 | 57 | 57 | 0.42 | 0.55 | 0.74 | 1 |
| 1½ x 1¼ | 40 x 32 | 57 | 57 | 0.44 | 0.57 | 0.76 | 1.01 |
| 2 x ¾ | 50 x 20 | 64 | 44 | 0.5 | 0.7 | 0.96 | 1.32 |
| 2 x 1 | 50 x 25 | 64 | 51 | 0.53 | 0.74 | 1.02 | 1.41 |
| 2 x 1¼ | 50 x 32 | 64 | 57 | 0.58 | 0.8 | 1.1 | 1.51 |
| 2 x 1½ | 50 x 40 | 64 | 60 | 0.6 | 0.83 | 1.15 | 1.59 |
| 2½ x 1¼ | 65 x 32 | 76 | 64 | 0.84 | 1.38 | 1.82 | 2.4 |
| 2½ x 1½ | 65 x 40 | 76 | 67 | 0.91 | 1.49 | 1.97 | 2.6 |
| 2½ x 2 | 65 x 50 | 76 | 70 | 0.93 | 1.53 | 2.02 | 2.67 |
| 3 x 1 | 80 x 25 | 86 | 67 | 1.1 | 1.95 | 2.65 | 3.6 |
| 3 x 1¼ | 80 x 32 | 86 | 70 | 1.14 | 2 | 2.7 | 3.65 |
| 3 x 1½ | 80 x 40 | 86 | 73 | 1.17 | 2.05 | 2.77 | 3.74 |
| 3 x 2 | 80 x 50 | 86 | 76 | 1.23 | 2.16 | 2.92 | 3.95 |
| 3 x 2½ | 80 x 65 | 86 | 83 | 1.31 | 2.29 | 3.09 | 4.17 |
| 4 x 1½ | 100 x 40 | 105 | 86 | 1.77 | 3.41 | 4.74 | 6.59 |
| 4 x 2 | 100 x 50 | 105 | 89 | 1.83 | 3.52 | 4.89 | 6.79 |
| 4 x 2½ | 100 x 65 | 105 | 95 | 1.92 | 3.7 | 5.14 | 7.14 |
| 4 x 3 | 100 x 80 | 105 | 98 | 2.5 | 4.8 | 6.67 | 9.27 |
| 5 x 2½ | 125 x 65 | 124 | 108 | 3.02 | 5.71 | 8.1 | 11.49 |
| 5 x 3 | 125 x 80 | 124 | 111 | 3.1 | 5.85 | 8.31 | 11.8 |
| 5 x 4 | 125 x 100 | 124 | 117 | 3.25 | 6.14 | 8.72 | 12.38 |
| 6 x 2½ | 150 x 65 | 143 | 121 | 4.05 | 8.25 | 12.5 | 18.9 |
| 6 x 3 | 150 x 80 | 143 | 124 | 4.17 | 8.52 | 12.9 | 19.53 |
| 6 x 4 | 150 x 100 | 143 | 130 | 4.32 | 8.81 | 13.3 | 20.08 |
| 8 x 4 | 200 x 100 | 178 | 156 | 7.47 | 15.9 | 24.2 | 36.83 |
| 8 x 5 | 200 x 125 | 178 | 162 | 7.66 | 16.3 | 24.8 | 37.73 |
| 8 x 6 | 200 x 150 | 178 | 168 | 7.9 | 16.8 | 25.5 | 38.71 |
| 10 x 4 | 250 x 100 | 216 | 184 | 7.47 | 15.9 | 24.2 | 36.83 |
| 10 x 5 | 250 x 125 | 216 | 191 | 12.5 | 27.1 | 36.6 | 49.43 |
| 10 x 6 | 250 x 150 | 216 | 194 | 12.7 | 27.6 | 43.9 | 69.83 |
| 10 x 8 | 250 x 200 | 216 | 203 | 13.3 | 28.9 | 46 | 73.22 |




