Description
upvc pipe 1/2″ sch40
Euro Gulf Dealer online shop Distributor Suppliers in Karachi Pakistanย Contact 0321-2248975. ASTM uPvc pipes sch-40 (E-class) 15 Bar pressure
What is SA Lite Pipes upvc pipe 1/2″ sch40 ?
๐ง 1. Product Overview
SA Lite / Euro Gulf uPVC Pipe 1/2″ SCH-40 is a small-diameter pressure-rated pipe made from rigid uPVC material.
- Standard: ASTM Schedule 40 (SCH-40)
- Size: 1/2 inch (โ 15 mm)
- Type: Pressure pipe (not purely Nikasi)
๐ It is commonly used in:
- Water supply systems
- Light plumbing
- Small utility pipelines
โ Unlike Nikasi pipes, this is a pressure-rated pipe.
๐งฑ 2. Material & Construction
- Material: uPVC (Un plasticized Polyvinyl Chloride)
- Color: Usually white or light grey (pressure pipes often white)
- Structure: Rigid, smooth internal bore
Properties: SA Lite Pipes upvc pipe 1/2″ sch40
- Corrosion resistant
- Chemical resistant
- Lightweight
- Non-toxic (safe for water supply)
๐ 3. Technical Specifications (1/2″ SCH-40)
| Feature | Specification |
|---|---|
| Nominal Size | 1/2 inch (15 mm) |
| Outer Diameter | โ 21.3 mm |
| Wall Thickness | โ 2.7 โ 3.0 mm |
| Standard | ASTM D1785 |
| Pressure Rating | Up to ~300 psi (โ 15โ20 bar) |
| Class | BSS 3505 Class E |
| Length | 3 m / 6 m |
| Joint Type | Solvent / Threaded |
๐ SCH-40 defines wall thickness and pressure capacity.
โ๏ธ 4. What is SCH-40?
- โSchedule 40โ = medium wall thickness pipe
- Designed for:
- Moderate to high pressure systems
- Stronger than SDR drainage pipes
โ Compared to SDR-41:
- SCH-40 โ thicker & pressure rated
- SDR-41 โ thinner & non-pressure
๐ 5. Jointing System
A. ๐งช Solvent Joint
- Uses uPVC solvent cement
- Permanent leak-proof joint
B. ๐ฉ Threaded Joint
- Used in small sizes like 1/2″
- Easy dismantling & maintenance
๐ Push-fit joints are not common in SCH-40 small pipes.
๐ฐ 6. Usage & Applications
๐ง A. Water Supply (Main Use)
- Drinking water lines
- Bathroom supply lines
- Kitchen supply
๐ Ideal for:
- Houses
- Apartments
- Commercial buildings
โ Designed for pressure flow
๐พ B. Irrigation Systems
- Garden watering
- Agriculture pipelines
๐ญ C. Industrial Use
- Chemical transport (low temperature)
- Utility pipelines
๐ฝ D. Drain / Sewer / Vent (Limited Use)
โ ๏ธ Important:
Although sometimes used in:
- Small drain lines
- Vent pipes
๐ It is NOT the standard choice for SWV systems because:
- Diameter is too small (1/2″)
- More expensive than Nikasi pipes
- Over-designed for gravity drainage
โ Typical SWV sizes:
- 50 mm
- 75 mm
- 110 mm
โก 7. Performance Characteristics
โ Advantages
- High pressure resistance
- Smooth flow (low friction)
- Long life (50+ years)
- Leak-proof joints
- Lightweight & easy installation
โ Hydraulic Benefit
- No scaling
- Maintains flow efficiency
โ ๏ธ 8. Limitations
- โ Not suitable for hot water (>60ยฐC)
- โ Not economical for large drainage lines
- โ Small diameter limits flow capacity
๐๏ธ 9. Typical Use in Building
Example:
- 1/2″ SCH-40 โ water supply to:
- Wash basin
- Shower
- Kitchen tap
- Connected with:
- Valves
- Fittings (tees, elbows)
๐ For drainage:
- Larger Nikasi pipes are used instead
๐ง 10. Simple Summary
๐ SA Lite / Euro Gulf 1/2″ SCH-40 uPVC Pipe =
- Small-size pressure pipe
- Used mainly for water supply systems
- Stronger than drainage pipes
- Not primarily for sewer/drain systems
๐ Key Difference (Very Important)
| Feature | SCH-40 Pipe | Nikasi / SDR Pipe |
|---|---|---|
| Type | Pressure | Non-pressure |
| Use | Water supply | Drain/sewer |
| Wall | Thick | Thin |
| Size | Small (1/2″) | Large (50โ160mm) |



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