Food grade PE pressure tank for safe drinking water contact Made from food grade PE material that is environmentally friendly, waterproof, wearresistant, pressureresistant, odorless, and cold resistant down to 60 C; will not freeze or crack in winter Suitable for direct contact with water and meets standards for human consumption water Simple, automatic pneumatic water supply Automatic pumping when water level drops and automatic shutdown when the tank is full No ongoing management required; delivers water pressure to meet daily needs Easy to install and compatible with standard pneumatic water systems Usable capacity and pressure relationship The actual storage capacity depends on the pressure setting; higher pressure setting yields more water storage Usable water is typically about 50% to 70% of the total tank volume pressure resistance and safety features The tank can withstand up to 6 kg of pressure; normal working pressure is within 3 kg of the tank has three holes for installing the pressure gauge, pressure switch, and safety explosionproof valve installed separately Includes automatic pressure relief to prevent overpressure and avoid vacuum conditions when pressure drops Practical applications and use scenarios Domestic drinking water system for homes or small properties needing a reliable, lowmaintenance water supply Garden or yard irrigation in areas without constant mains pressure, ensuring steady watering with minimal supervision Small workshops, cafes, or offices that require a backup water supply with automatic refill and relief features for safety and efficiency