AVK FABRICATED COUPLING
FOR AB CAST IRON PIPES - Zinc plated and passivated fasteners
Contact
AVK Industrial Nederland BV
Schorsweg 1 8171 ME Vaassen Netherlands
The Series 258 is a fabricated coupling for AB Cast Iron pipes. Maximum Working Pressure: Standard 16 bar - 0.8bar negative pressure. Up to 25 bar on request. Temperature Range: -10°C to +70°C. Insulation essential for temperatures of 0°C and below.
AVK fabricated coupling, Series 258, for AB CI Pipes suitable for use with water and neutral liquids (sewage).
| Variant 258/30-007 | |
|---|---|
| Connection: | Flanged |
| Material: | Steel |
| DN: | DN350 - DN1200 |
| PN: | PN 16 |
Features
- Manufactured to suit nominal pipe OD, with a sealing range of: nominal diameter +2mm to - 5mm
- Zinc Plated and Passivated fasteners
- Corrosion resistant construction
- Fusion bonded epoxy coating
- Short lead times
- EPDM seals
- Embodied carbom data available upon request
- Options:
- Can be manufactured to suit a specific pipe OD between 269mm and 1200mm. Further couplings to suit pipe OD's between 1200mm and 1600mm available dependent upon application.
- For 25 Bar Version see 258/30-021 datasheet
- Note:
- This fitting is not designed for end load resistant applications
Reference nos. and dimensions:
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| AVK ref. no. | DP Nom. O.D. mm |
H3 mm |
L mm |
Number of bolts |
Theoretical weight/kg |
|---|---|---|---|---|---|
| 258-30-0387-10 | 387 | 494 | 270 | 8 | 30 |
| 258-30-0439-10 | 439 | 546 | 270 | 8 | 33 |
| 258-30-0492-10 | 492 | 599 | 270 | 10 | 37 |
| 258-30-0545-10 | 545 | 652 | 270 | 10 | 39 |
| 258-30-0650-10 | 650 | 757 | 270 | 10 | 46 |
| 258-30-0729-10 | 729 | 836 | 270 | 12 | 51 |
| 258-30-0807-10 | 807 | 914 | 270 | 12 | 56 |
| 258-30-0964-10 | 964 | 1071 | 270 | 14 | 70 |
| 258-30-1068-10 | 1068 | 1175 | 270 | 14 | 67 |
| 258-30-1121-10 | 1121 | 1228 | 270 | 14 | 80 |
| 258-30-1277-10 | 1277 | 1384 | 270 | 16 | 91 |
Enquiry
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Components
| 1. | Gland ring | Steel Fe 430B |
| 2. | Bolts | Steel gr. 8.8, zinc plated, passivated |
| 3. | Seals | EPDM rubber |
| 4. | Body | Steel Fe 430B |
| 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
