The stainless steel pressure water tank is made of 304 stainless steel. The 1.5-2.0mm plate can withstand 0.6MPa water pressure. It is suitable for the villa frequency conversion water supply system to achieve constant pressure water supply for the whole house. Supports customization of 2-8 tons capacity, optional square or circular structure, equipped with pressure safety valve and water purification module to ensure safe and stable water supply.