SWC Sheathing Ducts
Kataria Single Wall Corrugated (SWC) Spiral pipes serve as widely utilized ducts for bonded post-tensioning tendons in prestressed concrete applications. These pipes effectively address the challenge of corrosion, a significant threat to reinforced concrete structures. Customizable to meet National, International, or customer-specific technical specifications, Kataria SWC pipes offer a versatile solution for diverse construction requirements.
SWC Sheathing Ducts
Technical Specification
| Sr.No. | Duct (code) | ID Inside Diameter (mm) | OD Outside Diameter (mm) | Wall Thickness (mm) | Compatible Anchor Cones |
|---|---|---|---|---|---|
| 1 | KTD50 (R) | 39 | 50 | 2E0.3 | KTH 4KT13 |
| 2 | KTD63 (R) | 50 | 63 | 2.3 ± 0.3 | KTH 7KT13/ KTH 4KT15 |
| 3 | KTD78 (R) | 63 | 78 | 2.3 ± 0.3 | KTH 7KT13/ KTH 4KT15 |
| 4 | KTD92 (R) | 75 | 92 | 2.3 ± 0.3 | KTH 12KT13/ KTH 7K115 |
| 5 | KTD97 (R) | 85 | 97 | 2.3 ± 0.3 | KTH 19KT13/ KTH 12K115 |
| 6 | KTD110 (R) | 105 | 120 | 2.3 ± 0.3 | KTH 27KT13/ KTH 19KT15 |
HDPE Material Specification
| Density (IS 2530) | 094-096gm/CmA3 at 3°C |
| Melt Flow Index (15) ASTM D 1238 | 10gm/10Min |
| Coefficient of thermal expansion for 20°C-80°C | 15x10A4kj |
| Shore Hardness D (BS EN ISO 2039-1) | 3sec-60min 15sec-58min |
| Elongation at yield (BS EN ISO 527-3) | 7% minimum |
SWC Duct Joints & Fittings
- Couplers Snap-fit / Heat Shrink
- Tee
- Grout Vent
In-House Testing Facilities
(As Per IRC: 18-2000/FIB Bultein No 7)
- Workability Test
- Transverse Load Rating Test
- Tension Load Test
- Water Loss Test
SWC Ducts manufacturing confirms to
- FIB Bulletin No?
- IRC Specification
- NPCIL Specifications
- Addendum and corrigendum IRS slip No 4, Railway concrete Bridge code 1957
- As per customer’s specific technical specification
Approved by
National Highway authority of India(NHAI)
Various Metro Corporation State Road Development Authorities
Tested and passed by 3rd Party Test Laboratories
Indian Institute of Technology (IIT) – Chennai
Anulab – Agra
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