PN6/PN10/PN16 Stainless Steel Flange
Precision-Engineered Flanges for Medium Pressure Applications
SSM manufactures DIN/EN-compliant PN6, PN10, and PN16 stainless steel flanges that meet EN 1092-1 standards for European and international markets. Our flanges are designed for water systems, chemical processing, and general industrial applications requiring reliable pressure containment.
Technical Specifications
1. Pressure Class Comparison
| Parameter | PN6 | PN10 | PN16 |
|---|---|---|---|
| Nominal Pressure | 6 bar | 10 bar | 16 bar |
| Size Range | DN10-DN2000 | DN10-DN2000 | DN10-DN2000 |
| Temperature Limit | 120°C | 120°C | 120°C |
| Face Types | RF/FF | RF/FF | RF/FF |
| Standards | EN 1092-1, DIN 2576 | EN 1092-1, DIN 2576 | EN 1092-1, DIN 2576 |
2. Material Properties
| Grade | EN Designation | Key Features | Typical Applications |
|---|---|---|---|
| 1.4301 | 304 | General corrosion resistance | Water systems, HVAC |
| 1.4401 | 316 | Enhanced acid resistance | Chemical processing |
| 1.4404 | 316L | Superior weldability | Food/pharmaceutical |
3. Dimensional Tolerances
| Dimension | Tolerance |
|---|---|
| Outside Diameter | ±1.5mm |
| Bolt Circle | ±1.0mm |
| Thickness | +2.0/-1.0mm |
| Face Flatness | 0.1mm per 100mm |
Manufacturing Excellence
Production Process
Material Certification - EN 10204 3.1
Precision Cutting - CNC plasma/waterjet
Forming - Hydraulic pressing
Machining - CNC-controlled facing
Surface Treatment - Pickling & passivation
Quality Assurance
100% dimensional verification
Positive Material Identification (PMI)
Liquid penetrant testing
Hardness testing (HRB scale)
Full material traceability
Available Configurations
Flange Types
Slip-On (SO) - DIN 2576
Weld Neck (WN) - DIN 2633
Blind (BL) - DIN 2527
Threaded (TH) - DIN 2566
Special Options
Electropolished Finish - Ra ≤ 0.8μm
PTFE Lining - For chemical resistance
Insulating Kits - For cathodic protection
Custom Drilling Patterns
Industry Applications
Water Systems
Drinking water distribution
Wastewater treatment
Pump station piping
HVAC
Chilled water circuits
Heating systems
Cooling tower connections
General Industry
Process piping
Compressed air systems
Utility piping networks
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