PP Sediment Cartridge – 10 Inch Slim, 5 Micron | UV Water Systems Oman

The PP sediment cartridge is the first stage in every residential RO system — and the most frequently replaced. Its function is straightforward: physically block particles, suspended matter, silt, sand, rust, and colloidal material larger than 5 microns from reaching the carbon block and RO membrane. A blocked or bypassed sediment cartridge allows particulate matter to accumulate on the RO membrane surface, blocking feed channels, reducing permeate flow, and causing irreversible membrane fouling that no chemical cleaning can fully restore. Despite being the lowest-cost element in an RO system, the sediment cartridge is the most critical pre-treatment component for membrane protection. UV Water Systems in Muscat supplies polypropylene (PP) melt-blown sediment cartridges in 10-inch slim (standard under-sink RO) and 20-inch jumbo (for housings) configurations, with 5-micron filtration rating as the most effective particle removal grade for residential RO pre-treatment in Oman.

Melt-Blown PP Construction for Depth Filtration

Melt-blown polypropylene cartridges are manufactured by extruding molten polypropylene fibres that randomly interlock to form a three-dimensional matrix with progressively finer pore sizes from outside to inside — known as depth filtration. This gradient structure allows the cartridge to trap large particles in the outer layers and progressively finer particles toward the core, distributing the particle load throughout the full cartridge depth rather than just the surface. Compared to string-wound or surface-filtration cartridges, melt-blown PP provides higher dirt-holding capacity per unit of pressure drop — meaning longer service life and lower replacement frequency for the same inlet water quality. In Oman, where PAEW municipal water carries residual coagulant floc and distribution system rust, depth filtration is the preferred cartridge technology for RO pre-treatment.

Key Features and Benefits

5-micron absolute filtration rating: Blocks particles larger than 5 microns including suspended solids, rust, silt, sand, and colloidal matter — protects the downstream carbon block and RO membrane from the particulate fouling that accounts for the majority of premature membrane replacements in Oman installations.
Melt-blown polypropylene construction: Thermally bonded single-material construction with no binder chemicals — safe for drinking water contact (NSF/ANSI 42 material standards) and compatible with all feed water chemistries including Oman’s chlorinated municipal supply without chemical degradation.
10-inch slim standard dimensions: 9.75 inches (248 mm) length, 2.5-inch (64 mm) OD — fits all standard under-sink RO system pre-filter housings sold in Oman without adapters or modification.
High dirt-holding capacity: Melt-blown depth filtration provides 3–5× the dirt-holding capacity of equivalent-rating surface filtration cartridges — longer service intervals and fewer replacements per year compared to lower-quality cartridge types.
Available from UV Water Systems stock in Muscat: Stocked for same-day supply — UV Water Systems carries 5-micron PP sediment cartridges in 10-inch slim and 20-inch jumbo sizes for immediate availability when customers need them.

Technical Specifications

Length: 10 inches (254 mm) nominal
OD: 2.5 inches (64 mm)
Filtration rating: 5 micron
Material: Melt-blown polypropylene
Max operating temp: 52°C
Recommended replacement: Every 3–6 months in Oman conditions

Applications Across Oman

The 10-inch slim 5-micron PP sediment cartridge is the standard pre-filter cartridge in under-sink RO systems installed across Muscat residential and commercial properties. UV Water Systems recommends 3-month replacement in Muscat areas with high turbidity or visible discolouration, and 6-month replacement in areas with clean municipal supply. Cartridges are supplied individually or in multi-packs for annual supply.

Frequently Asked Questions

How often should I replace the sediment cartridge in Muscat? Replace when pressure drop across the pre-filter housing increases noticeably (measured by the difference in pressure between the inlet gauge and the post-filter gauge), or every 3–6 months as a routine maintenance schedule in Oman conditions. UV Water Systems includes cartridge replacement in residential maintenance contracts — call +968 9763 7786.

What happens if I don’t replace the sediment cartridge? A fully loaded sediment cartridge causes two problems: it restricts water flow to the RO membrane (reducing permeate output) and, if pushed beyond maximum pressure differential, it can channel (bypass) — allowing all particles to pass unfiltered directly to the membrane. Either outcome shortens membrane life and increases the cost of the next RO membrane replacement.

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 water treatment solutions for residential, commercial, and industrial clients across Oman. Call +968 9763 7786 or visit www.uvwater.biz.

5 Micron Cartridge

PP Sediment Cartridge 10 Inch Slim 5 Micron – UV Water Systems Oman