CO2 Breathing Valves with Adsorption Filters for Water Storage Tanks

Good afternoon.
Our company manufactures water tanks (deionized water, groundwater, and purified rainwater) for the construction sites of waste-to-energy plants. According to the Customer’s requirements, breathing valves with CO₂ (carbon dioxide) absorbent filters must be installed on the tanks.

Attached are the tank drawings for your information. Please provide a commercial proposal for breathing valves with absorbent filters. Below is the information on the filling and emptying flow rates of the tanks:
1. For calculating the required capacity of the breathing valve for the raw water tank (63 m³):

• Maximum filling flow rate – 30.86 m³/h;
• Maximum emptying flow rate – 92 m³/h.

2. For calculating the required capacity of the breathing valve for the chemical deionized water storage tanks (60 m³):

• Maximum filling flow rate – 18.2 m³/h;
• Maximum emptying flow rate – 100 m³/h.

Please calculate the cost of breathing valves with CO₂ absorbent filters based on the above flow rates, and also taking into account that we require the lowest possible cost (it is acceptable to increase the degree of purification and reduce the adsorbent service life). It would also be preferable to replace the gas analyzer with a simple clogging indicator. A heating system is not required, since the tanks are installed indoors, and built-in safety valves are also not required (they will be installed separately).

Thank you in advance for your prompt response.

Good afternoon,
Capacity up to 200 m³/h — initial pressure drop up to 1000 Pa.
At 100 m³/h — initial pressure drop up to 300 Pa.
Adsorbent volume: 45 L.
Operating temperature: 0 to +40 °C.
The drawing is attached.

Please find attached our company information.
Kindly send us a contract template.
For now, we are purchasing 4 units; later we will order an additional 12 units.
Please include the basic spare parts kit.
We will purchase the adsorbent only for the initial filling.
It may be reasonable to provide a fitting for installing a gas analyzer, in case it is connected later either by the Customer independently or by us (we may purchase it at a later time).