AVK FABRICATED COUPLING DI PIPES, PN16
FOR DI PIPES - Zinc Plated & Passivated coated fasteners

Jim Marsden
National Sales Manager Mechanical & Fabricated Fittings Water
The Series 258 is a fabricated coupling for Ductile Iron Pipe and suitable for use with water and neutral liquids (sewage). 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.
The Series 258 is a fabricated coupling for Ductile Iron pipes, suitable for use with water and neutral liquids (sewage)
Variant 258/30-001 | |
---|---|
Connection: | Flanged |
Material: | Steel |
DN: | DN350 - DN1600 |
PN: | PN 16 |
Features
- Manufactured to suit nominal pipe OD, with a sealing range of: nominal diameter +2mm to - 5mm
- Zinc Plated & Passivated coated fasteners
- Corrosion resistant construction
- Fusion bonded epoxy coating
- Short lead times
- EPDM seals
- Maximum Working Pressure: 16 Bar
- Temperature Range: -10°C to +70°C Insulation essential for temperatures of 0°C and below
- 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
- Sheraplex coated fasteners
- Note:
- This fitting is not designed for end load resistant applications
Downloads
Datasheet
Related Datasheets
Certificate(s)
Installation, Operation & Maintenance
Price list
Reference nos. and dimensions:
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Ref. no. | DP Nom. O.D. mm |
H3 mm |
L mm |
Bolt No. |
Theoretical weight/kg |
Notes |
---|---|---|---|---|---|---|
258-30-0355-10 | 355 | 462 | 270 | 8 | 25 | For steel and PVC pipes |
258-30-0378-10 | 378 | 485 | 270 | 8 | 29 | |
258-30-0387-10 | 387 | 494 | 270 | 8 | 30 | |
258-30-0399-10 | 399 | 506 | 270 | 8 | 30 | |
258-30-0406-10 | 406 | 513 | 270 | 8 | 31 | |
258-30-0429-10 | 429 | 536 | 270 | 8 | 32 | |
258-30-0439-10 | 439 | 546 | 270 | 8 | 33 | |
258-30-0450-10 | 450 | 557 | 270 | 8 | 34 | |
258-30-0453-10 | 453 | 560 | 270 | 8 | 34 | |
258-30-0457-10 | 457 | 564 | 270 | 10 | 34 | |
258-30-0480-10 | 480 | 587 | 270 | 10 | 35 | |
258-30-0492-10 | 492 | 599 | 270 | 10 | 37 | |
258-30-0500-10 | 500 | 607 | 270 | 10 | 36 | |
258-30-0507-10 | 507 | 614 | 270 | 10 | 37 | |
258-30-0508-10 | 508 | 615 | 270 | 10 | 37 | |
258-30-0531-10 | 531 | 638 | 270 | 10 | 39 | |
258-30-0532-10 | 532 | 639 | 270 | 10 | 39 | |
258-30-0545-10 | 545 | 652 | 270 | 10 | 39 | |
258-30-0560-10 | 560 | 667 | 270 | 10 | 40 | |
258-30-0609-10 | 609 | 716 | 270 | 10 | 43 | For steel and PVC pipes |
258-30-0630-10 | 630 | 737 | 270 | 10 | 45 | |
258-30-0635-10 | 635 | 742 | 270 | 10 | 44 | |
258-30-0650-10 | 650 | 757 | 270 | 10 | 46 | |
258-30-0667-10 | 667 | 774 | 270 | 10 | 47 | |
258-30-0710-10 | 710 | 817 | 270 | 12 | 48 | |
258-30-0711-10 | 711 | 818 | 270 | 12 | 48 | |
258-30-0729-10 | 729 | 836 | 270 | 12 | 51 | |
258-30-0738-10 | 738 | 845 | 270 | 12 | 50 | |
258-30-0747-10 | 747 | 854 | 270 | 12 | 52 | |
258-30-0807-10 | 807 | 914 | 270 | 12 | 56 | |
258-30-0812-10 | 812 | 919 | 270 | 12 | 55 | For steel and PVC pipes |
258-30-0826-10 | 826 | 933 | 270 | 12 | 57 | |
258-30-0842-10 | 842 | 949 | 270 | 12 | 58 | |
258-30-0914-10 | 914 | 1021 | 270 | 14 | 63 | For steel and PVC pipes |
258-30-0945-10 | 945 | 1052 | 270 | 14 | 62 | |
258-30-0964-10 | 964 | 1071 | 270 | 14 | 70 | |
258-30-0985-10 | 985 | 1092 | 270 | 14 | 64 | |
258-30-1016-10 | 1016 | 1123 | 270 | 14 | 68 | |
258-30-1048-10 | 1048 | 1155 | 270 | 14 | 68 | |
258-30-1121-10 | 1121 | 1228 | 270 | 14 | 80 | |
258-30-1143-10 | 1143 | 1250 | 270 | 14 | 82 | |
258-30-1152-10 | 1152 | 1259 | 270 | 16 | 74 | |
258-30-1220-10 | 1220 | 1327 | 270 | 16 | 79 | For steel and PVC pipes |
258-30-1255-10 | 1255 | 1362 | 270 | 16 | 81 | |
258-30-1277-10 | 1277 | 1384 | 270 | 16 | 91 | |
258-30-1600-10 | 1600 | 1707 | 400 | 20 | 143 |
Enquiry
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Components
1. | Gland ring | Steel Fe 430B |
2. | Bolts | Steel gr. 8.8, zinc plated, passivated |
3. | Seals | EPDM |
4. | Body | Steel Fe 430B |
5. | Washer | Zinc plated grade 8 steel |
6. | Nuts | Zinc plated grade 8 steel |
7. | Coating | Epoxy |
Test/Approvals
- Hydraulic test according to 1.5 x PN
- Belgaqua approved material
- Materials approved according to WRAS

