Description
037 | UV Water Systems Oman
The 4040 side-port FRP membrane pressure vessel (300 psi) is the housing that holds and pressurises 4-inch diameter RO membrane elements — the component that converts applied hydraulic pressure into purified water across the membrane. Supplied by UV Water Systems Muscat, these fibreglass reinforced plastic vessels are rated for 300 psi (20.7 bar), fully compatible with brackish water RO operating pressures (10–15 bar), and constructed from corrosion-resistant FRP that requires no painting or corrosion protection in Oman’s coastal climate.
Why This Matters for Oman Water Quality
FRP membrane housings are the industry standard for commercial and industrial brackish water RO systems globally — chosen over stainless steel for their lightweight construction (half the weight of equivalent SS housings), lower cost, and complete immunity to corrosion in Oman’s high-humidity, high-chloride coastal environment. The side-port design allows membrane elements to be loaded from either end while the product water (permeate) exits through a side port — a configuration that simplifies system plumbing in multi-vessel RO systems.
Technical Specifications
- Format: 4-inch diameter × 40-inch length (4040)
- Pressure Rating: 300 psi (20.7 bar) — brackish water service
- Port Configuration: Side port — permeate exit mid-vessel
- Construction: Filament-wound fibreglass reinforced plastic (FRP)
- Fittings: 1-inch BSP permeate port, 1/4-inch BSP vent and drain
- End Caps: Removable — allows membrane loading and replacement
- O-rings: Brine seal and interconnector O-rings included
- Temperature: Up to 50°C
- Compatible: All 4040 standard membranes (DuPont Filmtec, Toray, etc.)
- Standard: Designed to Oman / GCC industry requirements
- Quality: ISO 9001:2015 certified supply chain — UV Water Systems, Muscat
Applications in Muscat & Oman
Commercial RO systems (5–50 m³/day) across Muscat and Oman, replacement housings for ageing commercial RO systems, new system builds by water treatment contractors, and any application requiring 4040 membrane housing at commercial BWRO pressures.
Frequently Asked Questions
How many membrane elements can I load in a single 4040 vessel? Standard commercial 4040 pressure vessels accommodate 1, 2, 3, 4, or 6 elements in series within a single vessel — depending on the vessel length ordered. UV Water Systems stocks 2-element and 4-element vessels as the most common commercial configurations. Specify the number of elements required when ordering.
How do I load and unload membranes from a side-port vessel? The end caps are removed, the interconnectors and brine seals are disassembled, and the membrane elements slide out for inspection or replacement. UV Water Systems technicians handle membrane replacement as part of every commercial RO service visit in Muscat and Oman. Call +968 9763 7786 to book a service.
Do you deliver and install across Oman? Yes — UV Water Systems covers all Muscat governorate areas and ships products and spare parts to all wilayats in Oman. Call +968 9763 7786 or email sales@waterfilteroman.com.
UV Water Systems is an ISO 9001:2015 certified water treatment company based in Muscat, Sultanate of Oman, with 14+ years of experience. We supply, install, and service complete water treatment solutions for residential, commercial, and industrial clients across Oman. Call +968 9763 7786 or visit www.uvwater.biz.
