AVK FABRICATED COUPLING DI Pipes PN16
The Series 258 is a fabricated coupling for Ductile Iron pipes. Maximum Working Pressure: Standard 16 bar - 0.8 bar negative pressure. Up to 25 bar on request. Temperature Range: -10°C to +70°C. Insulation essential for temperatures of 0°C and below.
The Series 258 is a fabricated coupling for Ductile Iron pipes, suitable for use with water and neutral liquids (sewage)
| Variant 258/30-006 | |
|---|---|
| Connection: | Flanged |
| Material: | Steel |
| PN: | PN 16 |
Features
- Can be fabricated in any size within the standard design range DN350 to DN1600+
- Corrosion resistant construction
- Short lead times
- EPDM seals
- Fusion bonded epoxy coating
- Sheraplex coated bolt sets
- Sealing range nominal diameter +2mm to -5mm
- WRAS approved materials
- Maximum angular deflection across the total length of the fitting:
- DN600 = 8°
- DN700 to DN800 = 6°
- DN900 to DN1200 = 4° - Can be used down to 0.8 bar below atmospheric pressure
- Sizes DN1200+ manufactured to order dependant upon application
- Bolts and nuts available in zinc plated & passivated, stainless steel
- Embodied carbon data available upon request
Downloads
Datasheet
Installation, operation and maintenance manuals
Components
| 1. | Gland ring | Mild steel |
| 2. | Bolts | Steel gr. 8.8, zinc plated, passivated |
| 3. | Seals | EPDM rubber |
| 4. | Body | Mild steel |
| 5. | Washer | Steel gr. 8, zinc plated, passivated |
| 6. | Nuts | Steel gr. 8, zinc plated, passivated |
| 7. | Coating | Epoxy |
Test/Approvals
- Hydraulic test according to 1.5 x PN
- Hydraulic test: 1.5 x PN
- Materials approved according to WRAS
- Belgaqua approved material
- Drinking Water Inspectorate Regulation 31 compliant
