Sealing Flanges
- Wide Size Range: Diameter from 50 mm to 1200 mm or up to 80 kg per flange.
- High Precision Tolerance: Machining accuracy controlled within 0.05 mm for stable sealing performance.
- Premium Materials: Stainless steel, super duplex steel, F55, F60, 904L and other special alloys available.
- Flexible Design Capability: Any complicated shapes, special structures, and custom sealing surfaces are supported.
- Sample Support: Prior to mass production, up to two complimentary samples are available for testing and verification.
Technical Specifications
| Item | Specification |
| Product Type | Sealing Flanges |
| Diameter Range | 50 mm – 1200 mm |
| Maximum Weight | ≤ 80 kg per flange |
| Dimensional Tolerance | Within 0.05 mm |
| Standard Materials | Stainless steel, super duplex steel, F55, F60, 904L |
| Other Materials | Special alloys and customer-specified materials on request |
| Design Basis | According to customer drawings, standards, or application requirements |
| Sealing Types | Flat face, raised face, ring-type joint, and customized sealing surfaces |
| Sample Policy | 2 free samples available (subject to confirmation) |
| Typical Working Conditions | High pressure, corrosive media, critical sealing environments |
Customization Options
- Customized diameters, thicknesses, and bore sizes according to client drawings.
- Choice of sealing face: flat face, raised face, RTJ, and special groove profiles.
- Material customization using stainless, super duplex, F55, F60, 904L, or other specified alloys.
- Special machining for complex shapes, offset bores, multi-port flanges, and non-standard designs.
- Surface treatment options such as machining finish, polishing, coating, or passivation.
- Tailored bolt hole patterns, drilling standards, and connection interfaces.
- Prototype development and small-batch trial runs supported with 2 free samples.
Applications
- Oil & gas pipelines and manifolds requiring high-integrity sealing.
- Petrochemical and chemical processing equipment with corrosive media.
- Steam lines, high-pressure systems, and power plants.
- Offshore and marine piping systems using corrosion-resistant alloys.
- Pressure vessels, reactors, and storage tanks with critical flange joints.
- General industrial fluid, gas, and vacuum systems needing reliable sealing.