




Documentation and certification scope varies by product, model and destination market. Request the documents applicable to your order and verify the holder, number and validity before purchasing.
HM Tanks supplies pressure-tank solutions for hydronic heating and cooling, reverse-osmosis water storage, and compressed-air systems. Start with the application rather than a generic tank name: identify the fluid or gas, required capacity, working-pressure range, operating-temperature range, connection standard, installation orientation, destination market, and order quantity. These inputs determine which product family and documentation should be reviewed. Expansion tanks require system-volume and pre-charge data; RO tanks require usable drawdown, water-contact material, and connection details; air receivers require compressor flow, demand pattern, pressure band, and installation requirements. Product pages and engineering guides support preliminary comparison, while the final selection should be checked against the selected model’s published pressure, temperature, capacity, material, and connection limits. Buyers planning private-label or specification-led projects can also review the OEM/ODM process before sending a complete project brief.
Use the selection guides for preliminary sizing, review OEM/ODM options and learn about the company before sending your application details for a project-specific response.