Description
RO storage tank Oman: the GWS Reverse Osmosis Storage Tank is built for domestic and commercial RO systems. GWS tanks use a virgin polypropylene liner, a post-cured butyl diaphragm and a stainless steel water connection, from 2 to 150 litres, with carbon steel, Plasteel and stainless steel versions.
Global Water Solutions (GWS) is a global manufacturer of pressure tanks and water treatment products, sold in over 100 countries, with factories in Taiwan and China and an office in Dubai. GWS operations are ISO 9001, ISO 14001 and ISO 45001 certified. UV Water Systems supplies, installs and services GWS products across the Sultanate from Muscat.
How the Reverse Osmosis Storage Tank Works
The tank has two chambers separated by a butyl diaphragm. Air in the lower chamber is pre-charged to 0.3–0.5 bar. As the RO system makes water, it fills the upper chamber and compresses the air, which then pushes water out to the faucet when you open it. Every diaphragm is post-cured to remove anything that could add taste or odour, and the polypropylene liner keeps water away from the steel shell.
Key Features of This RO storage tank Oman Range
- Volumes 2 to 150 litres (0.5 to 40 gallons)
- Max operating pressure 7 bar (100 psi); max 50°C
- Virgin polypropylene liner and post-cured butyl diaphragm
- Leak-free O-ring sealed air valve cap
- Plasteel version: steel tank inside a polypropylene shell, no external rust
- Stainless steel versions 8 and 18 L
Models and Technical Specifications
| Model | Volume (L) | Gallons | Connection | Type |
|---|---|---|---|---|
| TP-4 | 4 | 1.1 | 1/4″ NPT | Carbon steel |
| RO-120 | 8 | 2.1 | 1/4″ NPT | Carbon steel |
| RO-122 | 12 | 3.2 | 1/4″ NPT | Carbon steel |
| RO-132 | 18 | 4.8 | 1/4″ NPT | Carbon steel |
| RO-152 | 21 | 5.5 | 1/4″ NPT | Carbon steel |
| TP-35 | 35 | 9.2 | 1/4″ NPT | Carbon steel |
| RO-1070 | 60 | 15.9 | 1″ BSPP | Carbon steel |
| TP-100 | 100 | 26.4 | 1″ BSPP | Carbon steel |
| TP-150 | 150 | 39.6 | 1″ BSPP | Carbon steel |
| TP-12P / 16P / 19P | 12 / 16 / 19 | 3.2 / 4.2 / 5.0 | 1/4″ NPT | Plasteel |
| S-800 / S-1800 | 8 / 18 | 2.1 / 4.8 | 1/4″ NPT | Stainless steel |
Specifications are from the manufacturer. Performance depends on feed water quality.
Applications in Oman
- Replacement tanks for home RO systems
- Commercial RO for cafes and restaurants
- Larger storage for offices and clinics
- OEM RO assembly
Choosing the Right Model
Water in Oman varies a lot. Municipal water is usually low in TDS but carries chlorine, while well and tanker water can have high TDS, hardness, sand and iron. Before recommending a RO storage tank Oman product, we check your water source and, where needed, test TDS, hardness and iron. Send us a photo of your current setup or a water test report and we will suggest the right model and pre-treatment. Read more about water purification.
Why Water Treatment Matters in Oman
Most homes and businesses in Oman store water in rooftop or underground tanks, where it warms up in summer and can pick up sediment, rust and bacteria. Hard water leaves scale on heaters, kettles and taps, and chlorine affects taste. Choosing a RO storage tank Oman product from a reliable brand, installed correctly and serviced on schedule, protects your family’s health and your appliances, and saves money on bottled water over time.
Installation and Maintenance
- Install on a cold water line, with an isolation valve for service
- Replace sediment and carbon cartridges every 3 to 6 months, sooner on tanker or well water
- Keep equipment out of direct sun to protect plastic parts
- We offer installation and annual maintenance contracts across Oman
Why Buy RO storage tank Oman Products from UV Water Systems
UV Water Systems is an ISO 9001:2015 certified water treatment company in Muscat with 14+ years in Oman. We install filters, RO systems and softeners for villas, offices, restaurants and industry, and keep spare cartridges in stock. See our RO systems or contact us for a quotation.
Frequently Asked Questions
Are replacement filters and parts available in Oman?
Yes. We supply GWS replacement cartridges and parts from Muscat.
Do you offer installation?
Yes. Our technicians install and service GWS equipment in homes and businesses.
Do you deliver outside Muscat?
Yes. We supply across Oman, including Sohar, Nizwa, Sur, Salalah and Duqm. Call or WhatsApp +968 9763 7786 for pricing.
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