ASME BPE Hygienic Clamp Joint: Concentric and Eccentric Reducer DT-4.1.3-3(b) DT-21
SY-FRD116422
ASME BPE Hygienic Clamp Joint: Concentric and Eccentric Reducer DT-4.1.3-3(b) DT-21
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BPE is the body of standards for bio-processing equipment developed by the American Society of Mechanical Engineers (ASME) composed of volunteer professionals worldwide in 36 technical sub-field. It covers system design, materials, fabrication, inspections, cleaning and sanitization.
For high-purity requirement of bio-pharmaceutical engineering, BPE fittings are the optimal option. Pipes and fittings in superior quality can shorten preparation time before installing, and can avoid arc bias when weld. BPE fittings are easy to be auto-welded, no need to adjust parameters multiple times that save welding time and ultimately shorten the construction period and meet requirements of FDA, GMP, etc..
ASME BPE Material
| Material | C % | Cr % | Mn % | Mo % | Ni % | P % | Si % | S % | N % |
| EN 1.4435 | ≤ 0.030 | 17.0-19.0 | ≤ 2.00 | 2.50-3.00 | 12.5-15.0 | ≤ 0.045 | ≤ 1.00 | ≤ 0.015 | 0.10-0.20 |
| EN 1.4404 | ≤ 0.030 | 16.5-18.5 | ≤ 2.00 | 2.00-2.50 | 10.0-13.0 | ≤ 0.045 | ≤ 1.00 | ≤ 0.03 | ≤ 0.11 |
ASME BPE Surface polishing grade
| Mechanically Polished | ||||
| BPE Code | Ra Average | Ra Max | ||
| µin | µm | µin | µm | |
| SF0 | no polished | no polished | ||
| SF1 | 15 | 0.38 | 20 | 0.51 |
| SF2 | 20 | 0.51 | 25 | 0.64 |
| SF3 | 25 | 0.64 | 30 | 0.76 |
| Mechanically Polished and Electropolished | ||||
| SF4 | 10 | 0.25 | 15 | 0.38 |
| SF5 | 15 | 0.38 | 20 | 0.51 |
| SF6 | 20 | 0.51 | 25 | 0.64 |
ASME BPE Tube dimension
| Size (inch) | OD | Thickness | ||
| inch | mm | inch | mm | |
| 1/4" | 0.25 | 6.35 | 0.035 | 0.89 |
| 3/8" | 0.38 | 9.53 | 0.035 | 0.89 |
| 1/2" | 0.5 | 12.7 | 0.065 | 1.65 |
| 3/4" | 0.75 | 19.05 | 0.065 | 1.65 |
| 1" | 1 | 25.4 | 0.065 | 1.65 |
| 1 1/2" | 1.5 | 38.1 | 0.065 | 1.65 |
| 2" | 2 | 50.8 | 0.065 | 1.65 |
| 2 1/2" | 2.5 | 63.5 | 0.065 | 1.65 |
| 3" | 3 | 76.2 | 0.065 | 1.65 |
| 4" | 4 | 101.6 | 0.083 | 2.1 |
| 6" | 6 | 152.4 | 0.109 | 2.77 |
ASME BPE Tube dimension tolerance
| Size | OD tolerance (mm) | Thickness tolerace (mm) | |
| (inch) | Mechanically Polished | Electropolished | |
| 1/4" | ±0.13 | +0.13/-0.10 | +0.08/-0.15 |
| 3/8" | ±0.13 | +0.13/-0.10 | +0.08/-0.15 |
| 1/2" | ±0.13 | +0.13/-0.20 | +0.13/-0.25 |
| 3/4" | ±0.13 | +0.13/-0.20 | +0.13/-0.25 |
| 1" | ±0.13 | +0.13/-0.20 | +0.13/-0.25 |
| 1 1/2" | ±0.2 | +0.13/-0.20 | +0.13/-0.25 |
| 2" | ±0.2 | +0.13/-0.20 | +0.13/-0.25 |
| 2 1/2" | ±0.25 | +0.13/-0.20 | +0.13/-0.25 |
| 3" | ±0.25 | +0.13/-0.20 | +0.13/-0.25 |
| 4" | ±0.38 | +0.20/-0.25 | +0.20/-0.30 |
| 6" | ±0.76 | +0.38/-0.38 | +0.38/-0.43 |
ASME BPE Hygienic Clamp Joint: Concentric and Eccentric Reducer DT-4.1.3-3(b) DT-21
| Model no | Size | D | D1 | L1 |
| SY-FRD116422075050 | 0.75"/0.5" | 19.05 | 12.7 | 54.0 |
| SY-FRD116422100050 | 1.0"/0.5" | 25.4 | 12.7 | 63.5 |
| SY-FRD116422100075 | 1.0"/0.75" | 25.4 | 19.05 | 54.0 |
| SY-FRD116422150050 | 1.5”/0.5“ | 38.1 | 12.7 | 69.9 |
| SY-FRD116422150075 | 1.5”/0.75“ | 38.1 | 19.05 | 76.2 |
| SY-FRD116422150100 | 1.5”/1.0“ | 38.1 | 25.4 | 63.5 |
| SY-FRD116422200050 | 2.0“/0.5” | 50.8 | 12.7 | 91.6 |
| SY-FRD116422200075 | 2.0“/0.75” | 50.8 | 19.05 | 85.7 |
| SY-FRD116422200100 | 2.0“/1.0” | 38.1 | 25.4 | 85.7 |
| SY-FRD116422200150 | 2.0“/1.5” | 50.8 | 38.1 | 63.5 |
| SY-FRD116422250100 | 2.5“/1.0“ | 63.5 | 25.4 | 117.5 |
| SY-FRD116422250150 | 2.5”/1.5“ | 63.5 | 38.1 | 85.7 |
| SY-FRD116422250200 | 2.5”/2.0“ | 63.5 | 50.8 | 63.5 |
| SY-FRD116422300100 | 3.0”/1.0“ | 76.2 | 25.4 | 142.9 |
| SY-FRD116422300150 | 3.0”/1.5“ | 76.2 | 38.1 | 108.0 |
| SY-FRD116422300200 | 3.0”/2.0“ | 76.2 | 50.8 | 85.7 |
| SY-FRD116422300250 | 3.0”/2.5“ | 76.2 | 63.5 | 66.7 |
| SY-FRD116422400100 | 4.0”/1.0“ | 101.6 | 25.4 | 187.3 |
| SY-FRD116422400150 | 4.0”/1.5“ | 101.6 | 38.1 | 161.9 |
| SY-FRD116422400200 | 4.0”/2.0“ | 101.6 | 50.8 | 130.2 |
| SY-FRD116422400250 | 4.0”/2.5“ | 101.6 | 63.5 | 108.0 |
| SY-FRD116422400300 | 4.0”/3.0“ | 101.6 | 76.2 | 98.4 |
| SY-FRD116422600300 | 6.0”/3.0“ | 152.4 | 76.2 | 184.2 |
| SY-FRD116422600400 | 6.0”/4.0“ | 152.4 | 101.6 | 142.9 |
