Poly Mehr Etesal Sepahan — Raising the Bar in HDPE Pipes & Fittings
The HDPE pipe and fittings industry is no longer a simple supply business. Because of its decisive role in water and energy security, agricultural resource management, and urban infrastructure, it now sits at the heart of many national and international projects. In this landscape, Poly Mehr Etesal Sepahan leverages local engineering and global technology to set new standards for quality, variety, and innovation across Iran and the region.
Background & Industrial Position
Established in 2006 in Shahin Shahr, Isfahan, the company has grown into a producer of thousands of tons of pipes and fittings annually. Its central location on Iran’s rail and road network enables fast access to domestic markets and export routes. Poly Mehr products are used not only in major national projects, but also in Iraq, Türkiye, Afghanistan, and the Persian Gulf.
Product Portfolio & Size Range
With multilayer extrusion lines and fully automated injection molding, the factory manufactures a full range of pipes and fittings in compliance with DIN 8074, ISO 4427, and ISIRI 14427. Typical diameters: 20–630 mm for pipes and 20–125 mm for fittings. The in-house mold shop can engineer larger sizes or non-standard geometries to project order.
Table 1 – Selected Technical Specifications of Poly Mehr HDPE Pipes
| Outside Diameter (mm) | Pressure Rating (PN) | SDR | Approx. Weight (kg/m) | Primary Application |
|---|---|---|---|---|
| 25 | 10 | 11 | 0.26 | Drip irrigation |
| 63 | 12.5 | 7.4 | 0.97 | Orchard/estate transfer lines |
| 110 | 16 | 6 | 2.61 | Urban water distribution |
| 160 | 10 | 16 | 3.91 | Gravity sewage collection |
| 250 | 6 | 41 | 7.84 | Agricultural drainage |
| 400 | 10 | 40 | 17.85 | Petrochemical cooling lines |
Weights calculated using PE100 compound density of 0.955 g/cm³.
Manufacturing, Quality Control & Product Safety
PE80/PE100 pellets are dried and fed to twin-screw extruders; precise screw-zone temperature and melt pressure control ensure consistent crystalline structure. During injection molding, robotic pick-and-place transfers fittings directly to an isolated cooling path to minimize residual stress.
A ISO 9001:2015 quality assurance system inspects every ~500 kg produced via tensile (ISO 13953), Charpy impact (ISO 6259), and ring stiffness (ISO 9967) tests. For potable water lines, taste & odor testing (BS 6920) is performed; for gas distribution, toluene volatility checks verify no additive migration.
Innovations & Custom Capabilities
- UV-shield Co-Ex (two-layer): Outer layer with 2.5% black masterbatch achieves 3,500 h Xenon-Arc exposure resistance.
- Embedded fiber-optic sensing: In-wall fiber enables line health monitoring and leak detection.
- 4th-gen electrofusion fittings: Differential spiral winding improves heat distribution by ~9% and shortens welding time by ~12%.
Table 2 – Advantages vs. Conventional Materials
| Key Attribute | Poly Mehr HDPE | PVC-U (Pressure) | API Carbon Steel |
|---|---|---|---|
| Service life (years) | >50 | 25 | 30 |
| Chemical resistance (acids) | Very high | Medium | Low |
| Specific gravity (g/cm³) | 0.96 | 1.38 | 7.85 |
| Installation effort per meter | Low | Medium | Very high |
| Jointing speed | 2–4 min | 10 min | 30–45 min |
| Need for anti-corrosion coating | None | None | Mandatory |
Key Applications
- Urban & rural water distribution — impact and seismic resilience; ideal for replacing aging cast-iron lines.
- Low-pressure gas lines — yellow color coding per IGS applied inline, no secondary painting.
- Pressurized irrigation — PE100 mains + electrofusion manifolds cut headloss by up to 15%.
- Slurry & industrial effluent transfer — smooth bore reduces deposition in mine pump stations by up to 35%.
- Underfloor heating & ceiling cooling — low longitudinal expansion with special PE-RT grades.
Engineering Services & Support
- Complete irrigation network design using EPANET, including valve-by-valve flow tables.
- Deployment of DVS-certified welding crews to site.
- Operator training courses at the Shahin Shahr training center.
Sustainability & Life-Cycle Economics
Poly Mehr recycles production scrap via shredders and recovers process heat for boilers, cutting CO₂ emissions by ~18% versus the industry average. Through a 10-year PPA with local solar farms, ~35% of plant electricity comes from renewables.
Availability via Tamam Baha
As an authorized seller of Poly Mehr Etesal Sepahan, Tamam Baha supplies the full range of pipes and fittings to contractors, growers, and industry. With stable inventory and on-site technical services, Tamam Baha ensures a reliable, on-time supply chain for quality-critical projects.
