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PVC Type DB-100 Conduit – 25 mm (¾″) | Direct Burial

Saudi Ducts > PVC Type DB-100 Conduit – 25 mm (¾″) | Direct Burial

PVC Type DB-100 Conduit – 25 mm (¾″)

Heavy-Duty Direct Burial Electrical Conduit for KSA & Gulf Region

With the continuation of the Gulf Region’s infrastructure expansion, the demand for underground conduit systems that are reliable, durable, and high-performance has skyrocketed. The Direct Burial PVC type DB-100 Conduit – 25 mm (¾″) is the solution to this problem as it provides excellent mechanical protection and a long service life for low-voltage power, communication, and control cables.

This conduit is meant to be buried directly in the ground without any concrete encasement; thus, it not only makes installation easier but also lessens project costs at the same time. Moreover, it ensures the long-term safety of the cables. Its DB-100 heavy-wall classification qualifies it for use in high-risk areas, urban infrastructure, and industrial sites where strength and durability are required the most.

The PVC Type DB-100 Conduit – 25 mm (¾″) is a heavy-wall, high-strength direct burial conduit designed for maximum protection of underground electrical and communication cables without the need for concrete encasement. Manufactured from premium rigid PVC, it offers enhanced mechanical strength, corrosion resistance, chemical stability, and long-term durability, making it ideal for residential, commercial, and light industrial projects.

With its DB-100 classification, this 25 mm conduit provides thicker walls and higher impact resistance than standard DB-60 conduits, ensuring safe cable protection against soil pressure, accidental digging, and environmental stress. Its smooth interior facilitates easy cable pulling, while its non-conductive nature ensures electrical safety.

Widely used in Saudi Arabia, UAE, Qatar, Oman, Bahrain, and Kuwait, the PVC DB-100 25 mm conduit is a cost-effective, reliable, and future-ready solution for underground electrical networks, telecom cabling, and utility infrastructure, performing efficiently in high-temperature, sandy, and saline soil conditions.

With the continuation of the Gulf Region’s infrastructure expansion, the demand for underground conduit systems that are reliable, durable, and high-performance has skyrocketed. The Direct Burial PVC type DB-100 Conduit – 25 mm (¾″) is the solution to this problem as it provides excellent mechanical protection and a long service life for low-voltage power, communication, and control cables.

This conduit is meant to be buried directly in the ground without any concrete encasement; thus, it not only makes installation easier but also lessens project costs at the same time. Moreover, it ensures the long-term safety of the cables. Its DB-100 heavy-wall classification qualifies it for use in high-risk areas, urban infrastructure, and industrial sites where strength and durability are required the most.

The PVC Type DB-100 Conduit – 25 mm (¾″) is a heavy-wall, high-strength direct burial conduit designed for maximum protection of underground electrical and communication cables without the need for concrete encasement. Manufactured from premium rigid PVC, it offers enhanced mechanical strength, corrosion resistance, chemical stability, and long-term durability, making it ideal for residential, commercial, and light industrial projects.

With its DB-100 classification, this 25 mm conduit provides thicker walls and higher impact resistance than standard DB-60 conduits, ensuring safe cable protection against soil pressure, accidental digging, and environmental stress. Its smooth interior facilitates easy cable pulling, while its non-conductive nature ensures electrical safety.

Widely used in Saudi Arabia, UAE, Qatar, Oman, Bahrain, and Kuwait, the PVC DB-100 25 mm conduit is a cost-effective, reliable, and future-ready solution for underground electrical networks, telecom cabling, and utility infrastructure, performing efficiently in high-temperature, sandy, and saline soil conditions.

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Understanding DB-100 Direct Burial Classification

Direct burial PVC conduits' highest strength class is represented by DB-100.

Main Features:

  • Thick walls for maximum protection
  • Ideal for very dangerous underground installation
  • Elimination of cable damage due to soil pressure and minor digging
  • A cheaper option than concrete-encased ducts

Advantages of PVC Conduits in the Gulf Region

  • Corrosion Resistance: Ideal for saline and alkaline soils

  • Thermal Stability: Performs reliably under high ambient and soil temperatures

  • Electrical Safety: PVC is non-conductive, reducing electrical hazards

  • Lightweight & Easy Installation: Reduces labor and installation time

  • Long Service Life: 30–50 years of maintenance-free performance

Material Standards & Compliance

The PVC DB-100 25 mm conduit complies with international standards:

  • ASTM D1785 / D2241 – Rigid PVC conduit

  • NEMA TC-6 & TC-8 – Electrical conduit requirements

  • IEC 61386 – International standard for conduit systems

  • UL 651 / ETL (optional) – Electrical safety certification

Technical Specifications – DB-100 25 mm Conduit

SpecificationDetails
Nominal Diameter25 mm (¾″)
MaterialRigid PVC
Wall ClassDB-100 (Heavy Wall, Direct Burial)
Installation TypeDirect burial (no concrete encasement)
Standard Lengths2 m, 3 m, 6 m
Joint TypeSolvent weld / Mechanical coupling
Operating Temperature−10°C to +60°C
ColorGrey
StandardsASTM, NEMA, IEC
Service Life30–50 years

Key Features & Benefits

  • Heavy-wall construction for the greatest level of security
  • Interior surface enabling hassle-free cable pulling
  • Non-permeable to moisture, chemicals, and soil contaminants
  • Insulating and electrically safe
  • Lightweight and manageable
  • Engineered for direct burial without concrete

Typical Applications

  • Residential: Underground electrical wiring, street lighting

  • Commercial: Office complexes, malls, and parking areas

  • Industrial: Control and instrumentation cables

  • Telecom: Fiber optic and communication lines

  • Municipal & Utility Projects: Public lighting, water treatment, smart city cabling

How DB-100 Direct Burial Systems Work

The trench is the location where the conduit is laid and in addition to that, it provides a protected way for underground cables. The heavy wall thickness not only guarantees long-lasting mechanical and environmental protection but also costs less and quickens the installation process with the durability of cable safety as a consequence.

Step-by-Step Installation Guide

  1. Excavate trench to the required depth

  2. Prepare soil base; optional sand bedding for extra protection

  3. Place DB-100 conduit in trench

  4. Connect sections with solvent cement or mechanical couplers

  5. Pull cables through the conduit

  6. Backfill trench and compact soil

  7. Install warning tape for future identification

Design Considerations for Gulf Climates

  • High ambient and soil temperatures
  • Sandy and saline soils
  • Light surface loads (residential, sidewalks)
  • Space for future cable expansion
  • Compliance with local utility regulations

Accessories & Fittings

  • Solvent weld couplers

  • Mechanical couplers for repairs

  • Bends and elbows for directional changes

  • Pulling eyelets

  • Warning tapes and marker mesh

Performance in Harsh Environments

  • Resistant to extreme heat and sunlight
  • Does not suffer much even in desert and coastal soils
  • Does not break even with slight soil movement
  • Safeguards low-voltage, signaling, and telephone lines

Maintenance & Inspection

  • Minimal maintenance required

  • Inspect during trench excavation or cable replacement

  • Verify conduit integrity in case of soil erosion or settlement

Cost Efficiency & Lifecycle Benefits

  • Less expensive installation compared to concrete-encased duct banks
  • Lower risk of cable damage
  • Facilitates future cable upgrades without large scale digging
  • Long lifespan guarantees high ROI

Comparison: DB-100 vs DB-60 vs Other Conduits

FeatureDB-100 25 mm PVCDB-60 25 mm PVCStandard PVCSteel Conduit
Wall ThicknessHeavyMediumLowVery High
Direct BurialYesYesLimitedYes
Corrosion ResistanceExcellentExcellentGoodPoor
Installation CostLowLowLowHigh
Lifecycle CostLowLowMediumHigh

Conclusion

The PVC Type DB-100 Conduit – 25 mm (¾″) | Direct Burial is the ultimate underground electrical and communication cabling solution for the Gulf region because it is very strong, cost-efficient, and durable. DB-100's heavy-wall construction, resistance to corrosion, and ease of installation, plus its long service life, offer great benefits to residential, commercial, municipal, and light industrial projects.

The selection of DB-100 25 mm PVC conduit by engineers, contractors, and developers gives the guarantee of underground cabling that is safe, efficient, and future-proof with minimal maintenance and maximum reliability, even in the harshest environmental conditions of the Gulf.

Frequently Asked Questions

1. What is PVC DB-100 Conduit 25 mm used for?
For direct burial protection of low-voltage, telecom, and control cables.

 

2. Can it be buried without concrete?
Yes, it is specifically designed for direct burial.

 

3. How is DB-100 different from DB-60?
DB-100 has thicker walls and higher mechanical strength.

 

4. Is it suitable for Gulf climates?
Yes, it withstands high temperatures, sandy soil, and saline conditions.

 

5. Can it protect fiber optic cables?
Yes, the smooth interior allows easy cable pulling.

 

6. What is the service life?
30–50 years depending on soil and installation conditions.

7. Is PVC DB-100 electrically safe?
Yes, it is non-conductive and fully safe for underground cabling.

 

8. Can it be used in residential projects?
Yes, ideal for homes, villas, and urban residential developments.

 

9. Does it require maintenance?
Minimal maintenance; primarily inspections during cable upgrades or soil movement.

 

10. Is it approved for GCC infrastructure projects?
Yes, when manufactured according to ASTM, NEMA, and IEC standards.