Heat Exchanger Flanges
- Wide size range: Sealing flange diameters from 50 mm to 1200 mm.
- Lightweight design: Single flange weight up to 80 kg for easier handling.
- High machining accuracy: Dimensional tolerance controlled within 0.05 mm.
- Complex geometry capability: Any complicated shapes machined according to customer drawings.
- Special materials accepted: Non-standard alloys and grades can be produced on request.
- Sample support: 2 free flanges available for testing and qualification.
Technical Specifications
| Parameter | Specification |
| Product type | Heat exchanger sealing flange |
| Diameter range | 50 mm – 1200 mm |
| Max flange weight | ≤ 80 kg per piece |
| Machining tolerance | ≤ 0.05 mm (according to drawing) |
| Available materials | Stainless steel, super duplex steel, F55, F60, 904L |
| Shape | Standard or customized complex geometries |
| Surface finish | As per drawing / customer requirement |
| Standards / Drawing basis | Manufactured strictly to customer drawings and specs |
| Sample policy | 2 free samples for sealing flanges (standard conditions) |
Customization Options
- Custom outer and inner diameters within 50–1200 mm range.
- Special thicknesses and flange heights according to drawing.
- Complicated sealing faces, grooves, and profiles for gaskets or rings.
- Non-standard or customer-specified materials and grades.
- Machining of bolt holes, threaded holes, and recesses.
- Surface finish requirements (machined, polished, coated, etc.).
- NDT and inspection options (UT, RT, PT, MT, dimensional reports).
- Marking, stamping, and traceability according to project specs.
- Tailored packaging (export wooden cases, anti-rust protection, labels).
Applications
- Shell-and-tube heat exchangers in petrochemical plants
- Power plant condensers and coolers
- Refinery and chemical process heat exchangers
- Offshore and marine heat transfer equipment
- HVAC and district heating heat exchangers
- Food & beverage and pharmaceutical process heaters/coolers
- Any pressure system requiring leak-tight exchanger sealing flanges
Raw Materials
We produce and purchase raw materials strictly according to customer requirements, ensuring full compliance with project specifications, mechanical properties, and international standards.
Main steel grades we produce:
Steel Grade | Standards | Classification | Products |
1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4871 | EN 10222-5 | L | Forged flanges and Forged parts |
F304, F304L, F316, F316L, F321, F316T, F310, F904L | ASTM A182 | L | Forged flanges and Forged parts |
F51, F53, F55, F60 | ASTM A182 | L | Forged flanges and Forged parts |
LF2 | ASTM A350 | V | Forged flanges and Forged parts |
F11, F22 | ASTM A182 | V | Forged flanges and Forged parts |
A105 | ASTM A105 | N | Forged flanges and Forged parts |
CNC Machining Capabilities
We operate multiple machining lines and CNC centers engineered to deliver tight tolerances, superior surface finishes, and consistent quality for complex forged components.
Equipments and Quantities | ||
Item No. | Equipments | Quantities |
1 | Ramp CNC lathe | 6 |
2 | Normal lathe | 8 |
3 | Machining center | 4 |
4 | CNC lathe | 10 |
Inspection & Quality Control
To ensure the high quality of non-standard flanges, we are equipped with professional testing and inspection systems:
- 3D Measurement Equipment
- Ultrasonic Cleaning Machine
- Physical & Chemical Testing
- Dimensional Inspection
Packaging for Non-Standard Flanges
We provide protective packaging options according to customer needs:
- Anti-rust treatment
- Plastic film wrapping
- Wooden cases
- Wooden pallets
- Custom packaging available
Why Choose Boberry
Complete In-House Manufacturing
Integrated forging, heat treatment, machining, and inspection ensure stable quality, faster lead times, and full control over every production stage.
European-Market Proven Quality
Long-term supply to Germany, Austria, Switzerland, and Nordic countries demonstrates our ability to meet strict technical standards and customer expectations.
Custom Engineering Support
Tailor-made stainless-steel parts based on your drawings, with trial samples available to validate design, performance, and fit before full-scale production.