RO 152 Reverse Osmosis Tank for RO Equipment Manufacturers and Distributors
The RO 152 Reverse Osmosis Tank is a 23 litres (6.0 gal) metal storage tank for reverse osmosis systems. It holds purified water under pressure, ready for the unit. We manufacture it at our own plant in Gebze, Türkiye. We also supply it wholesale to water treatment equipment manufacturers, assemblers and distributors.

This tank offers mid-range capacity for office and small business RO systems. We produce the connection as 1/4" NPT or 1" BSP to order. As a result, it fits both compact units and commercial lines.
RO 152 Reverse Osmosis Tank Technical Summary
- Capacity: 23 litres (6.0 gal)
- Dimensions: Ø300 × 425 mm
- Connection: 1/4" NPT or 1" BSP (to order)
- Max. working pressure: 6.9 bar (100 psi)
- Factory pre-charge: 0.4 bar (6 psi)
- Operating temperature: 4-50 °C
- Certification: NSF/ANSI 58
Wholesale Supply and Shipping
Ekol Tank sells only to businesses, on a wholesale basis. Therefore, please request a quote for prices and order quantities. In standard shipments we load 48 units per pallet. For example, a 40' HC container takes 960 units palletised or 960 units loose. You will find all loading options in the Logistics and Packaging tab. In addition, our annual capacity of 360,000 units supports regular shipments.
Scope of Delivery and Installation Notes
- With the 1/4" NPT connection, the delivery does not include the valve. With the 1" BSP connection, it includes a 1" female 8/10 elbow and an 8/10 plastic valve.
- We ship the tank with a 0.4 bar pre-charge. Therefore, check it through the valve stem with the tank empty before you connect it.
- System pressure must not exceed 6.9 bar. On lines with high mains pressure, fit a pressure reducer.
Documents and Series Comparison
We run production under an ISO 9001 quality management system. We also provide a CE (PED 2014/68/EU) declaration of conformity. As a result, the documents for your export and project files are ready.
You can download the datasheet and certificates from the Documents page. You can also compare the other capacities in the series on the Reverse Osmosis Pressure Balance Storage Tanks page. In addition, you can verify the certification in the NSF official listing.