6.0 Gallon RO Water Storage Tank – Pressure Tank for Domestic Reverse Osmosis System in Pakistan
Upgrade your reverse osmosis filtration system with our 6.0 Gallon RO Water Storage Tank, specifically designed for domestic RO systems in Pakistan. With a large capacity and NSF-certified materials, this tank ensures a safe, clean, and consistent supply of purified water for homes, offices, and commercial settings.
This high-quality RO pressure tank supports increased water demand without compromising on flow rate or water purity. Built using food-grade materials and featuring a durable, rust-free design, this tank is ideal for environments where health, hygiene, and long-term reliability matter most.
High-Capacity RO Tank for Consistent Water Supply
With a 6.0-gallon total capacity, this tank stores up to 4.4 gallons of usable RO water, ensuring an ample supply of filtered water at all times. It’s perfect for families with high daily water consumption, small offices, or households where clean drinking water is a necessity.
The pressurized storage system keeps water ready for immediate use—no more waiting for your RO system to catch up. It’s a practical solution for homes in Pakistan where water pressure and availability can fluctuate.
Food-Grade, NSF-Certified Bladder for Safe Water
The internal bladder is made from FDA-approved, NSF-certified food-grade material, keeping your stored water free from odors, tastes, and contaminants. It ensures that the water you get is not only filtered but stored under safe, hygienic conditions that preserve purity and taste.
Durable, Rust-Free Construction
Built for long-lasting performance, the tank features a rust-free body with a stainless steel water connection. Its internal virgin polypropylene liner and deep-drawn steel dome are precision-welded to offer airtight integrity and resistance to wear. The external finish is treated with epoxy primer and polyurethane coating, making it highly durable even in humid environments.
Pre-Pressurized for Reliable Water Flow
This tank is pre-pressurized at 5–7 psi, which guarantees steady and fast water flow without needing an external pump. The airtight diaphragm maintains consistent pressure, reducing the strain on your RO system and ensuring quick dispensing of water.
Universal 1/4″ NPT Connection
The 1/4″ NPT port is compatible with all major reverse osmosis systems in Pakistan, including those from brands like APEC, Axtron, AquaSafe, and more. The connection setup is hassle-free and fits standard tubing sizes, ensuring easy integration into your existing system.
Compact & Flexible Installation
Despite its larger capacity, the tank is designed to fit easily under kitchen sinks or inside compact cabinets. Its vertical form factor and included tank stand allow for flexible horizontal or vertical placement based on space availability.
Certified for Safety and Performance
✅ NSF/ANSI 58 Certified – Assures compliance with global safety and hygiene standards
✅ BPA-Free and Lead-Free – Safe for long-term drinking water storage
✅ Pressure-Tested – Individually tested for air pressure and leakage to guarantee performance
Ideal Applications
Homes with 4+ family members
Offices with high drinking water demand
Apartments and commercial kitchens
Domestic RO setups across urban and rural Pakistan
Why Choose This 6.0 Gallon RO Storage Tank?
✔️ Large 6.0-gallon storage supports high water usage
✔️ NSF-certified food-grade bladder ensures water purity
✔️ Stainless steel water port resists corrosion
✔️ Easy to install with standard 1/4” NPT connection
✔️ Compatible with all major RO water filter systems
✔️ Airtight, odor-free, and hygienic water storage
Ensure an uninterrupted supply of safe and healthy drinking water with the 6.0 Gallon RO Water Storage Tank, built for Pakistan’s domestic reverse osmosis systems. It’s the perfect upgrade for those who demand capacity, hygiene, and peace of mind from their RO water storage solution.
FAQ’s (Frequently Asked Questions)
Q1: What is the usable water capacity of the 6.0 Gallon RO Storage Tank?
A1: ✅ The tank holds 6.0 gallons total, with approximately 4.4 gallons of usable RO water, ensuring a consistent supply for families, offices, or commercial use.
Q2: Is this tank compatible with all domestic RO systems in Pakistan?
A2: ✅ Yes – it features a universal 1/4″ NPT connection that fits most domestic RO systems, including popular brands like Axtron, AquaSafe, and APEC.
Q3: How does the tank maintain water safety and hygiene?
A3: The internal NSF-certified, FDA-approved food-grade bladder keeps water free from odors, tastes, and contaminants, providing safe and hygienic storage.
Q4: Does this tank ensure steady water flow for immediate use?
A4: ✅ Yes – the tank is pre-pressurized at 5–7 psi, allowing fast and consistent water dispensing without needing an external pump.
Q5: Is the tank durable and long-lasting?
A5: ✅ Absolutely – it features a rust-free steel body, stainless steel connection port, and epoxy-coated exterior, ensuring long-term durability even in humid conditions common in Pakistan.


