
ASME BPE Tubing
ASME BPE-oriented tubing for high-purity pharmaceutical, biotech and clean process applications.
Sizes & Dimensions
ASME BPE tubing dimensions.
Pharmaceutical-grade tubing manufactured to strictest tolerances. Electropolished interior (SF4: Ra ≤ 0.38 μm) standard with SF5 mirror finish available.
| Nominal | OD (mm) | Wall (mm) | OD Tol | Wall Tol | Length (m) |
|---|---|---|---|---|---|
| ½" | 12.70 | 1.245 | ±0.13 | ±0.15 | 6.00 |
| ¾" | 19.05 | 1.651 | ±0.13 | ±0.15 | 6.00 |
| 1" | 25.40 | 1.651 | ±0.13 | ±0.15 | 6.00 |
| 1½" | 38.10 | 1.651 | ±0.13 | ±0.15 | 6.00 |
| 2" | 50.80 | 1.651 | ±0.13 | ±0.15 | 6.00 |
| 2½" | 63.50 | 2.108 | ±0.13 | ±0.20 | 6.00 |
| 3" | 76.20 | 2.108 | ±0.13 | ±0.20 | 6.00 |
| 4" | 101.60 | 2.108 | ±0.13 | ±0.20 | 6.00 |
Operating Conditions
Pressure-temperature rating for asme bpe tubing.
BPE tubing meets stricter material composition and surface finish requirements than A270. Suitable for cGMP applications.
Service Conditions
- Working pressure: 16 bar at ambient
- Surface SF4: Ra ≤ 0.38 μm (EP)
- Surface SF5: Ra ≤ 0.25 μm (mirror)
- Ferrite content: < 1.0% (DL designation)
- Steam SIP: +135°C compatible
- Documentation: Full BPE traceability package
Actual ratings depend on size, material and operating conditions. Confirm via RFQ for project-specific requirements.
Standards & Compliance
Built to recognized sanitary and pressure standards.
Full documentation packages available including MTR, 3.1 certificates, surface roughness reports and pressure test records.
Bioprocessing Equipment
Surface finish, materials and design for pharma/biotech.
Pharma Supplement
ASTM A270 with S2 supplementary requirements.
Sanitary Tubing
Welded sanitary stainless tubing specification.
Passivation
Chemical passivation treatments for stainless steel.
Cleaning & Passivation
Standard practice for SS cleaning and passivation.
Welding Standard
Specification for welding austenitic stainless steel tubing.
FDA 21 CFR 177
Food contact materials compliance for seats and seals.
Biocompatibility
USP biological reactivity testing for plastics.
Product Variants
ASME BPE Tube configurations for different process roles.
Multiple variants available to match your application requirements. Browse related products for complete process line coverage.




Technical Datasheet
Download the product-specific RFQ datasheet.
This PDF summarizes typical sizes, materials, standards, application notes and RFQ inputs for ASME BPE Tubing. Use it as a preparation document before sending a quotation request.
Engineer / Contractor RFQ Support
Send this item as part of a project package, BOM or comparison quote.
For accurate sourcing, include size, connection type, material grade, finish, quantity, pressure/temperature conditions, certificates required and target delivery timing.
Technical RFQ Guide
Specification points to confirm before quotation.
These are typical sourcing fields. Final availability and compliance should be confirmed against the exact project requirement.
Applications
Where this product is typically used.
Pharmaceutical process lines
Relevant for sourcing discussions, project BOMs and maintenance replacement needs.
Biotech manufacturing systems
Relevant for sourcing discussions, project BOMs and maintenance replacement needs.
High-purity utility piping
Relevant for sourcing discussions, project BOMs and maintenance replacement needs.
Skids requiring strict documentation
Relevant for sourcing discussions, project BOMs and maintenance replacement needs.
Related Products
Continue building the RFQ package.
Technical Product Layout
ASME BPE Tubing — technical sourcing profile
Structured for engineers, contractors and plant buyers who need a clear RFQ-ready technical view before requesting pricing.
Technical Overview
ASME BPE-oriented tubing for high-purity pharmaceutical, biotech and critical hygienic process systems.
Applications
- Pharmaceutical process lines
- Biotech production systems
- High-purity water and clean utilities
- CIP/SIP process loops
Material Grades
- SS316L commonly requested
- BPE grade tubing by RFQ
- Mechanical polish or electropolish options
- Documentation package by requirement
Surface Finish
High-purity surface finish requirements must be specified clearly, including ID finish, OD finish and electropolish if required.
Standards
- ASME BPE
- ASTM A270 where applicable
- Material traceability discussion
- Clean utility requirements
Related Products
Use these products to build a complete RFQ package around this item.
Contractor & Plant Buyer RFQ
Need a contractor-ready quote package or BOM support?
Send line sizes, connection standards, material grade, finish, quantity, photos/drawings and required delivery timing. We help turn unclear product needs into a cleaner RFQ package for supplier comparison.
Common Questions
Frequently asked questions about asme bpe tubing.
Engineering and procurement questions we hear most often. For project-specific guidance, send your application details via RFQ.
What makes BPE tubing different from A270?
BPE adds: tighter tolerance, controlled ferrite content (< 1%), electropolished interior, comprehensive documentation, dimensional inspection per BPE MT-9.
A270 is the food/dairy standard; BPE is the pharmaceutical/biotech standard. BPE costs more but is required for cGMP applications.
What is SF4 vs SF5 surface finish?
SF4: Ra ≤ 0.38 μm (15 μin), the standard EP finish for ASME BPE. SF5: Ra ≤ 0.25 μm (10 μin), mirror finish for ultra-high purity.
SF4 is sufficient for most pharma/biotech. SF5 typically specified for WFI, vaccine production, and ultra-clean applications.
What is DL grade and when is it needed?
DL = Delta-Ferrite controlled. Specifies ferrite content < 1.0% in 316L. Lower ferrite means better corrosion resistance and lower risk of rouging.
DL is standard for pharmaceutical applications and recommended for hot WFI systems where rouging is a concern.
What documentation is in a BPE package?
Full BPE package: 3.1 MTR with heat numbers, surface roughness report (multiple measurements per tube), passivation certificate, ferrite content report, dimensional inspection.
Optional additions: hydrotest certificate, helium leak test, BPE MT-9 inspection records, rouging baseline measurements.
How is BPE tubing protected during shipping?
BPE tubing ships with end caps to protect electropolished interior from contamination. Caps must remain in place until installation.
For critical service, request double-bagged or nitrogen-purged shipping. Inspect end caps on receipt — replace if damaged.
Can BPE tubing be welded with manual processes?
Manual TIG welding is permitted but orbital welding strongly recommended for BPE compliance. Orbital provides consistent weld quality and documentation.
For manual welds, full purging and qualified welder required. ASME BPE MT-9 acceptance criteria still apply. Document all manual welds.
What is the cost premium vs A270?
BPE tubing typically costs 40-80% more than A270 due to tighter tolerances, EP processing, and documentation. Costs higher for SF5 and DL grades.
For pharma/biotech, BPE is required and the premium is justified. For food/dairy, A270 standard is appropriate and cost-effective.





