TheWay RO-8040 Spiral Wound Membrane Technical Datasheet

The TheWay RO-8040 is a full-size 8-inch diameter spiral wound reverse osmosis membrane element engineered for large-scale industrial and municipal desalination, water reclamation, and high-purity process water production. The 8040 format is the industry standard for commercial RO systems, offering maximum membrane area per element for cost-effective operation at scale.

Key Specifications

Operating Parameters

Performance Description

The RO-8040 delivers 99.7% NaCl rejection at standard test conditions (2,000 ppm NaCl, 15.5 bar, 25°C, 15% recovery). In multi-element pressure vessels (typically 6–7 elements per vessel), system recovery of 75–85% is achievable for brackish water with proper antiscalant dosing. The 34-mil feed spacer provides enhanced fouling resistance and lower pressure drop compared to standard 28-mil spacers, making it suitable for challenging feed waters with moderate fouling potential.

Chemical Compatibility

Storage and Handling

Elements ship wet in 1% SMBS preservative. Store at 5–35°C; never freeze or exceed 45°C. Use within 12 months. Flush preservative before installation. For shutdowns > 48 hours, re-preserve with 0.5% SMBS. Handle horizontally; the 16 kg weight requires two-person lifting. Avoid impact to end caps and interconnectors.

FAQ

Q: How many RO-8040 elements fit in a standard pressure vessel?

A: Standard 8-inch pressure vessels hold 6 or 7 elements. A 7-element vessel produces approximately 238 m³/day of permeate under brackish water conditions.

Q: Is the RO-8040 compatible with other manufacturers' 8040 elements?

A: Yes. The TheWay RO-8040 follows standard industry dimensions and interconnector specifications, allowing direct replacement in existing systems.

Q: What pre-treatment is recommended?

A: UF or multimedia filtration to achieve SDI < 5, antiscalant dosing, and dechlorination. TheWay UF Hollow Fiber modules are an excellent pre-treatment solution.

Contact

Contact TheWay Membranes at mail@ufmembranes.in or +91 98400 97830. Visit www.thewaymembranes.com.