
EPDM Rubber Butyl Membrane Pressure Vessel Water Pump Thermal Expansion Tank. Durable Material Construction: Made of steel with 1.8mm wall thickness and epoxy primed paint finish. Wide Capacity Range: Available volumes range from 0.5 to 1500 liters for various needs. High Pressure Resistance: Working pressure from 4 bar to 25 bar with max pressure up to 10 bar. OEM Branding Service: Customize with customer's own brand name with authorization document. Long Warranty Coverage: Provides 3-5 years warranty for mechanical defects. Certified Quality: ISO9001, RoHS, and CE certified for safety and reliability. Factory Direct Stock: 1 piece minimum order quantity available with immediate stock. High Monthly Capacity: Production capacity of 90,000 to 120,000 pieces per month.