Dixon BioPharm weld reducer, 1" x 1/2"
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This is the Dixon BioPharm Weld Reducer SS PM Finish - SF4.
This Dixon BioPharm weld reducer joins two BPE tube sizes end to end on a common centreline (concentric), with a weld end on each side. It is 316 stainless steel and it comes in sizes from 3/4" x 1/2" up to 6" x 4". The PM finish (SF4) has a mechanically polished outside (.812) and an inside that is mechanically polished and then electropolished (.381).
The reducer to ASME BPE 2012 and lists eccentric reducers is a separate range. Its packing page says each fitting is capped, with a white cap marking the PM finish.
Where this product is used
- Transport of liquid media in the biotechnology, cosmetic and pharmaceutical industries
- Stepping a welded BPE tube run down from a larger tube to a smaller one
- Systems where an electropolished inside surface (.381) is specified for product-contact tube
Features
- Ends: weld x weld, concentric
- PM finish (SF4): outside.812 mechanically polished, inside.381 mechanically polished and electropolished
- Made to ASME BPE 2012
- Supplied capped, with a white cap marking the PM finish
Key specifications
| Specification | Detail |
|---|---|
| Brand | Dixon |
| Type | Weld x weld concentric reducer |
| Finish | PM (SF4): outside.812 mechanically polished, inside.381 mechanically polished and electropolished |
| Standard | ASME BPE 2012 |
| Weld end chemical analysis (%) | Per ASME BPE Table DT-3: C 0.030 max, Mn 2.00 max, P 0.045 max, S 0.005 to 0.017, Si 1.00 max, Cr 16.00 to 18.00, Ni 10.00 to 15.00, Mo 2.00 to 3.00 |
| Sizes | 26 combinations from 3/4" x 1/2" to 6" x 4" |
Choosing the right option
Choose the finish from your process specification: PM is electropolished inside and PL is mechanically polished inside and out.
Mechanical polishing is smoothing the surface with tools and progressively finer abrasives, and electropolishing as an electrochemical process that removes material and leaves a smoother, mirror-like surface.
Related Dixon products: Dixon BioPharm Weld Reducer SS PL finish - SF1, Dixon BioPharm Weld Tee PM Finish - SF4 and Dixon BioPharm 90° Weld Elbow PM Finish - SF4.
| Option | Part number | SKU |
|---|---|---|
| 1" x 1/2" | T31W-100050PM | A0156541 |
| 1" x 3/4" | T31W-100075PM | A0156542 |
| 1 1/2" x 1/2" | T31W-150050PM | A0156543 |
| 1 1/2" x 3/4" | T31W-150075PM | A0156544 |
| 1 1/2" x 1" | T31W-150100PM | A0156545 |
| 2" x 1/2" | T31W-200050PM | A0156546 |
| 2" x 3/4" | T31W-200075PM | A0156547 |
| 2" x 1" | T31W-200100PM | A0156548 |
| 2" x 2 1/2" | T31W-200150PM | A0156549 |
| 2 1/2" x 1/2" | T31W-250050PM | A0156550 |
| 2 1/2" x 3/4" | T31W-250075PM | A0156551 |
| 2 1/2" x 1" | T31W-250100PM | A0156552 |
| 2 1/2" x 1 1/2" | T31W-250150PM | A0156553 |
| 2 1/2" x 2" | T31W-250200PM | A0156554 |
| 3/4" x 1/2" | T31W-075050PM | A0156540 |
| 3" x 1" | T31W-300100PM | A0156555 |
| 3" x 1 1/2" | T31W-300150PM | A0156556 |
| 3" x 2" | T31W-300200PM | A0156557 |
| 3" x 2 1/2" | T31W-300250PM | A0156558 |
| 4" x 1" | T31W-400100PM | A0156559 |
| 4" x 1 1/2" | T31W-400150PM | A0156560 |
| 4" x 2" | T31W-400200PM | A0156561 |
| 4" x 2 1/2" | T31W-400250PM | A0156562 |
| 4" x 3" | T31W-400300PM | A0156563 |
| 6" x 3" | T31W-600300PM | A0156564 |
| 6" x 4" | T31W-600400PM | A0156565 |
Product details
| Model | T31W-100050PM |
|---|---|
| Dixon part number | T31W-100050PM |
| Size | 1" x 1/2" |
| Tube OD | 25.4 x 12.7mm |
| Dimension A | 114.30mm |
| Finish | PM (SF4): outside.812 mechanically polished, inside.381 mechanically polished and electropolished |
| Material | 316 stainless steel |
| Nominal wall | 0.065 x 0.065" |
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Dixon BioPharm Weld Reducer SS PM Finish - SF4: 1" x 1/2"
SKU: A0156541 | Model: T31W-100050PM
Dixon T31W-100050PM: 1" x 1/2" BioPharm weld concentric reducer, 316 stainless steel, PM finish (SF4). Tube OD: 25.4 x 12.7mm, Dimension A: 114.30mm.