Description
upvc pipe 50mm
Dadex Nikasi local Manufacturer Distributor Suppliers in Islamabad Pakistan Contact 0322-3540656 Drain sewer ventilation
What is Dadex Nikasi upvc pipe 50mm ?
The 50mm (approx. 2-inch) size is a standard for branch lines, typically used for connecting washbasins, sinks, and showers to the main stack.
1. Technical Specifications Dadex Nikasi upvc pipe 50mm
Dadex Nikasi pipes and fittings are manufactured to meet international standards (often BS EN 1329 or PS 3214), ensuring they handle both domestic and industrial waste.
| Feature | Specification Detail |
| Material | Un plasticized Polyvinyl Chloride (uPVC) |
| Nominal Diameter | 50mm ($D_n$) |
| Joining Methods | Available in Solvent Joint (Z-Joint) and Push-Fit (Rubber Ring) |
| Standard Color | Light Gray / Golden Brown (depending on specific product line) |
| Pressure Rating | Non-pressure (gravity flow) for drainage and ventilation |
| Chemical Resistance | High resistance to domestic detergents, cleaners, and acids |
2. Joining Mechanisms
Dadex Nikasi offers two distinct methods for 50mm systems:
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Solvent Joint (Z-Joint):
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Description: Uses a chemical solvent cement to “cold weld” the pipe into the fitting.
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Best For: Permanent installations where contractors conceal the pipe behind walls or under floors.. It creates a rigid, leak-proof bond.
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Push-Fit (Rubber Ring):
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Description: The fitting contains a pre-installed EPDM rubber seal. The pipe is simply lubricated and pushed in.
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Best For: Areas where thermal expansion and contraction are expected. It is faster to install and allows for easier maintenance or adjustments.
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3. Usage & Applications
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Internal Drainage: Efficiently carries waste from kitchen sinks, bathroom vanities, and floor traps.
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Ventilation: Essential for maintaining atmospheric pressure in the plumbing system, preventing “siphoning” of water seals in traps.
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Rainwater Harvesting: Often used for vertical rainwater downspouts on smaller roof sections.
4. Key Advantages
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Impact Strength: Formulated to withstand the rigors of construction site handling.
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Smooth Bore: The internal surface is exceptionally smooth (low Manning’s $n$ coefficient), which prevents “scaling” or blockages from organic waste.




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