Description
upvc pipe 160mm
upvc pipe for drain sewer
Dadex Nikasi Drain sewer ventilation local Manufacturer Distributor Suppliers in Islamabad Pakistan Contact 0322-3540656
What is Dadex Nikasi upvc pipe 160mm ?
Dadex Nikasi UPVC pipes, produced by Dadex Eternit Limited (Pakistan), are robust unplasticized polyvinyl chloride (UPVC) pipes optimized for pressure-rated drain, sewer, and ventilation (DSV) systems. The 160mm (6-inch) size features solvent joint (weld) and push-fit (rubber ring) ends, enabling reliable connections in both gravity and pressurized setups. These are solid-wall pipes with superior flow characteristics, chemical resistance, and structural strength for demanding underground applications.
Compliant with BS EN 1329-1 (DSV), BS EN 1401-1 (pressure), ASTM D 3034, ISO 4435, and Pakistan Standards (ISI-marked). Widely used in municipal sewer mains, industrial drainage, and building ventilation.
Key Specifications
| Parameter | Details |
|---|---|
| Nominal Diameter (DN) | 160 mm (6 inches) |
| Outside Diameter (OD) | 160 mm |
| Wall Thickness |
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| Standard Lengths | 6 m or 4 m |
| Weight per Meter |
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| Joint Types |
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| Pressure Rating |
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| Operating Temperature | 0°C to 60°C (continuous); up to 80°C short-term |
| Inside Diameter (ID) | ~152–151 mm (class-dependent) |
| Standards | BS 4660/5255 (DSV), BS EN 1401 (pressure); SN8 ring stiffness |
| Color | Light grey (DSV standard) |
Note: Thickness/classes per Dadex catalog; verify for specific production runs.
Detailed Description Dadex Nikasi upvc pipe 160mm
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Design Features:
- Precision-extruded with mirror-smooth bore (C=150 Hazen-Williams) for high flow velocity and minimal siltation.
- High ring stiffness (SN8: 8 kN/m²) for deep burials (up to 10 m cover).
- Chamfered spigot and reinforced socket for foolproof jointing.
- Versatile joints: Solvent for rigid, leak-proof permanence; push-fit for quick, flexible assembly/disassembly.
- Impervious to sewage acids, alkalis, salts, and rodents.
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Available Classes:
| Class | Type | Wall Thickness | Max Pressure | Stiffness (SN) | Application |
|---|---|---|---|---|---|
| S4 | DSV | 4.0 mm | 0.5 bar | 4–8 kN/m² | Shallow gravity drains |
| S5 | DSV | 5.0 mm | 1.0 bar | 8–16 kN/m² | Heavy-duty sewers |
| PN6 | Pressure | 5.5 mm | 6 bar | N/A | Low-pressure lines |
| PN10 | Pressure | 6.2 mm | 10 bar | N/A | Pressurized sewer ejectors |
Usage and Applications
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Primary Uses:
- Sewer Mains: Municipal/urban wastewater and stormwater collection.
- Industrial Drainage: Effluent discharge in factories, refineries.
- Ventilation Systems: Stack vents and soil pipes in high-rises.
- Excellent for trenchless rehab (e.g., pipe bursting) and corrosive environments.
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Installation Guidelines:
- Preparation: Cut perpendicularly; bevel edges 15°; clean thoroughly.
- Solvent Weld:
- Primer + cement (e.g., Dadex solvent); full insertion with 90° twist.
- Hold 30–60 sec; cure 30 min (24 hrs optimal).
- Push-Fit:
- Seat rubber ring; lube spigot; align marks and push home.
- Instant usability post-joint.
- Trenching: Min. 300 mm width; granular bedding (100–150 mm); haunching support.
- Testing: Hydrostatic (1.5x pressure/2 hrs) or low-pressure air (0.5 bar/5 min).
- Spacing: Supports every 2–2.5 m; thrust blocks at changes >15°.
- Tools: Rotary cutter, joint lubricant, alignment clamps.
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Advantages:
- Ultra-light (1/6th cast iron weight) for cost-effective transport/install.
- Zero corrosion; 50+ year lifespan.
- High hydraulic capacity: 20–30% better flow than concrete.
- Sustainable: Recyclable, low embodied energy.
Accessories & Compatibility
- Matches Dadex Nikasi 160mm fittings (elbows, tees, reducers).
- Solvent: Tangit/Dadex cement; Rings: BS EN 681-1 compliant.
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