Zolal Rood Etesal — Specialist in Polymer Fittings & Irrigation Components
Zolal Rood Etesal builds its reputation on modern manufacturing, strict quality control, and precise alignment with the needs of water and wastewater projects. Below is a concise overview of the company’s technical backbone and product breadth—knowledge that helps project owners choose for durability, safety, and long-term value.
Role in the Water & Wastewater Supply Chain
Expert Human Capital
- An R&D unit of polymer and mechanical engineers focused on component design optimization and durability testing.
- Ongoing collaboration with independent laboratories to validate results and operate a project-oriented quality management system aligned with ISO 10006.
Production Drivers
- Prime PE100 and PP copolymer resins to achieve low linear mass and high compressive strength.
- Injection molding on 400–1,000-ton clamp machines for uniform wall thickness and minimal residual stress.
- Online monitoring of melt flow index (MFI) and gel content to ensure melt quality and proper curing.
Product Portfolio at a Glance
Zolal Rood Etesal manufactures a wide range of compression, threaded, and injection-molded fittings in diameters from 12 to 400 mm. The portfolio also includes drip-irrigation accessories—self-flushing drippers, branch valves with bypass, and threaded risers—for precise agriculture and urban landscaping.
| Product category | Size range (mm) | Nominal pressure (bar) | Typical use |
|---|---|---|---|
| Injection-molded elbows & tees | 20–315 | 10–16 | Branching potable-water transmission lines |
| Threaded compression fittings | 16–110 | 6–10 | Pressurized irrigation networks |
| Welded flanges & couplers | 90–400 | 10–16 | Connection to industrial valves and pumps |
| Drippers & bubblers | 2–16 (2–24 L/h) | — | Drip and greenhouse bench irrigation |
| End clamps & tape valves | 12–20 | — | Drip-tape and reinforced flat-hose lines |
Technical Features that Secure Service Life
Chemical & UV Resistance
A HALS light-stabilizer package plus carbon-black masterbatch protects polymer chains against UV, allowing buried or exposed installation in hot and cold climates.
Class-A EPDM O-Rings
Sealing elastomer operates from −40 to +125 °C and withstands pH 2–13. Pump vibration, pressure shocks, and periodic chlorination do not lead to leakage.
Improved Hydraulic Design
CFD simulations on elbow and tee sections show up to 8% lower pressure loss at 1.5 m/s versus market average—reducing pump energy and improving end-of-line flow uniformity.
Color Coding & Laser Marking
Permanent marking of standard, batch number, and pressure class simplifies traceability and site inspection—essential for supervision-driven projects.
Applications
- Municipal & rural water distribution — lower weight than metal speeds handling and installation; reduced breakage from soil settlement.
- Sewer & industrial effluent lines — non-corrosive polyethylene extends service life in acidic or alkaline environments.
- Modern agriculture — from pressure-compensating drippers to lockable layflat valves, enabling precise water and fertigation control.
- Energy & mining infrastructure — PE100 abrasion resistance is a major advantage for slurry transfer and cooling-tower water, especially in large diameters.
Lifecycle Value (Indicative Comparison)
| Evaluation metric | Zolal Rood polyethylene | Galvanized steel pipe & fittings | Rigid PVC, Class 10 |
|---|---|---|---|
| Linear mass (kg/m) at Ø110 | 2.1 | 9.8 | 4.4 |
| Corrosion resistance | Very high | Needs coatings | Medium |
| Estimated service life (years) | 50 | 20 | 25 |
| Recyclability | Full | Limited | Limited |
Installation & Commissioning — Practical Tips
- Before welding or tightening compression nuts, clean mating surfaces and avoid solvent-based greases that can swell O-rings.
- On subsurface lines with >10% slope, install an air valve or expansion collector every 50 m to prevent vacuum-induced failures.
- For initial hydrostatic testing, apply 1.2× and then 1.5× working pressure over 2 hours; a drop >5% at any stage indicates inadequate sealing.
Support & Logistics
A nationwide distributor network enables rapid delivery to provincial centers and remote sites. The technical team provides sizing and pressure-loss selection software so contractors can verify hydraulic fit before ordering. After-sales support includes replacement of parts suspected of manufacturing defects for up to 10 years.
Tamambaha in the Sales Chain
Tamambaha is an authorized distributor of Zolal Rood Etesal, offering a complete portfolio of compression, injection-molded fittings and irrigation accessories with authenticity assurance. Other suppliers also operate in the market; customers may choose the channel that best fits their location and project schedule.
