Polymer Golpayegan has led Iran’s rigid uPVC pipe and fitting industry for over four decades. With advanced extrusion lines, a lead-free formulation, and multi-stage quality control, the brand holds national ISIRI plus ISO 3633 and EN 1329 certifications—enabling direct exports to Western Europe and earning Golpayegan a solid reputation in global drainage markets.
Why are Golpayegan uPVC pipes ideal for drainage networks?
- High ring stiffness and impact strength from 0 to +60 °C with no stress cracking
- Excellent resistance to chlorides, sulfates, and acidic domestic/industrial effluents
- Smooth inner surface with roughness coefficient 0.009 for better flow and minimal scaling
- Lead-Free formulation; no heavy-metal migration; RoHS aligned
- 50+ years of service life, verified by a 8,760-hour hydrostatic pressure test
- Fast, safe installation by solvent-cement and push-fit—no heavy tools or heat welding
Technical specifications — rigid uPVC pipes (Polymer Golpayegan)
| Size (mm) | Wall Thickness (mm) | Pressure Class (bar) | Approx. Weight (kg/m) | Primary Application |
|---|---|---|---|---|
| 63 | 2.0 | 4 | 0.80 | Domestic branches |
| 90 | 2.7 | 4 | 1.35 | Kitchen riser |
| 110 | 3.2 | 4/6 | 1.88 | Indoor drainage |
| 160 | 4.0 | 4/6 | 3.55 | Main riser & municipal outlet |
| 200 | 4.9 | 4/6/10 | 5.48 | External sewer network |
| 250 | 6.2 | 4/6/10 | 8.52 | Gravity rainwater lines |
Range of fittings & design innovation
With 300+ product codes, Polymer Golpayegan offers a complete range of drainage, electrical, and pressure fittings. Precision tooling on European CNC machines keeps mating tolerances below 0.05 mm, ensuring leak-free assembly.
Comparison — selected Golpayegan fittings
| Fitting Type | Angle/Feature | Common Sizes (mm) | Best Use | Joint Method |
|---|---|---|---|---|
| 90° Tee | 90° | 63–160 | Vertical-to-horizontal transition | Solvent-cement |
| 45° Tee | 45° | 63–200 | Reduced pressure loss at branch | Solvent-cement |
| Double-radius 90° Elbow | Short/Long | 63–160 | Tight-space routing | Push-fit |
| Cleanout Adapter | With cap | 75–160 | System access for maintenance | Solvent-cement |
| Concentric Reducer | Nominal-to-nominal | 110→90, 160→110 | Line leveling | Solvent-cement |
| Sliding Socket | With sealing ring | 90–250 | Thermal expansion compensation | Push-fit |
Impact and environmental stress resistance
A 1 kg drop test from 1 m at 0 °C shows no fracture or crazing on Golpayegan pipes. Combined with a 3 GPa modulus of elasticity, pipes can be buried up to 2 m under soil loads without metallic casing.
Aligned with green-building standards
- ISO 14001 certified environmental management
- 100% recyclability of production scrap and site off-cuts
- Reduced electricity use via high-efficiency extrusion heads
Key installation & maintenance notes
- Make clean, square cuts with a fine-tooth saw; deburr the inner edge to prevent turbulence.
- Prime both pipe and socket; use THF-based uPVC solvent cement for uniform chemical bonding.
- For buried systems: place 10 cm of fine sand bedding under and around the pipe to distribute loads.
- Inspect annually at cleanout points to clear potential blockages.
Availability & supply
Products are available through authorized distributors, specialist MEP outlets, and reputable online channels. High production volumes support a full size range and project-based orders (custom colors or private embossing). Typical dispatch for bulk orders is 3–5 business days.
Tamam Baha as a supplier
As one of the suppliers of Polymer Golpayegan, Tamam Baha offers a complete portfolio of lead-free rigid pipes, push-fit fittings, and installation tools—backed by continuous stock, technical advice, and rapid shipping to keep contractors and builders on schedule.
