Supported full size customization, our OEM Multi Function Tank, ODM Thermal Storage Tank, HVAC Multi Function Tank, OEM Combined Water Tank and High Efficiency Hybrid Tank integrate thermal storage, heat recovery, drinking water storage and system buffering functions. Made of SS304/SS316/duplex 2205 stainless steel, vertical, horizontal and sauna heat recovery styles are available for heat pump HVAC, sauna stove, hotel sanitary hot water and industrial refrigeration projects. All tanks pass CE & ISO9001 certification with strict leak test, custom port, volume and logo available for global wholesale orders.
Legend Tank Factory is an experienced Stainless Steel Tank Manufacturer with systematic, standardized manufacturing workflows.
From stainless steel plate cutting, automatic cylinder rolling, nozzle welding, pressure testing to integral polyurethane insulation, every production stage carries out strict quality inspection.
We fabricate premium SS304 water tank, SS316 water tank and duplex 2205 water tank to satisfy different media, corrosion resistance and project requirements.
Rigorous sequential production control guarantees consistent structural tightness, pressure resistance and long-term durability for hot water, heating and industrial storage systems.
| water tank / buffer tank / DHW tank Specifications | |||||||||||||||
| Model No. | LGD60 | LGD100 | LGD150 | LGD200 | LGD250 | LGD300 | LGD400 | LGD500 | LGD600 | LGD1000 | LGD1500 | LGD2000 | LGD185/65 | LGD250/100 | LGD300/100 |
| Capacity(L) | 60 | 100 | 150 | 200 | 250 | 300 | 400 | 500 | 600 | 1000 | 1500 | 2000 | 185+65 | 250+100 | 300+100 |
| Inner Tank Size(mm) | φ370*566 | φ370*876 | φ370*1380 | φ420*1380 | φ470*1400 | φ470*1630 | φ600*1400 | φ600*1700 | φ600*2000 | φ800*1980 | φ1000*2060 | φ1200*2020 | φ470 | φ600 | φ600 |
| Inner Tank Thickness | 1.0 | 1.0 | 1.0 | 1.15 | 1.2 | 1.2 | 1.5 | 1.5 | 1.5 | 2.0 | 3.0 | 3.0 | 1.2 | 1.5 | 1.5 |
| Outer Shell Size(mm) | φ470*720 | φ470*1040 | φ470*1510 | φ520*1510 | φ560*1540 | φ560*1820 | φ700*1540 | φ700*1820 | φ700*2120 | φ900*2080 | φ1100*2150 | φ1300*2120 | φ560*1820 | φ700*1540 | φ700*1820 |
| Outer Shell Thickness | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.8 | 0.8 | 0.5 | 0.5 | 0.5 |
| Foaming Thickness | 50 | 50 | 50 | 50 | 45 | 45 | 50 | 50 | 50 | 50 | 50 | 50 | 45 | 50 | 50 |
| Inner Tank Material | SUS304 / SUS316L / Duplex 2205 | ||||||||||||||
| Outer Shell Material | Galvanized Steel with Painting / Stainless Steel | ||||||||||||||
| Outer Shell Color | White / Silver-Grey / Brown / Black / Stainless steel | ||||||||||||||
| Max Working Pressure(bar) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | ||
| Max Testing Pressure(bar) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||
| Max Running Temperature(℃) | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | ||
| Heating Loss(W/K) | 0.63 | 0.65 | 0.68 | 0.72 | 0.81 | 0.91 | 1.02 | 1.15 | 1.26 | —— | 0.91 | 1.02 | 1.15 | ||
| Standing Loss(W) | 29 | 30 | 31 | 33 | 37 | 40 | 46 | 52 | 57 | —— | 40 | 46 | 52 | ||
| ERP Class | C | C | C | C | C | C | C | C | C | C | C | C | C | ||
| Electrical Heater(kw) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 3 | 3 | 3 | 1.5 | 1.5 | 3 | ||
| Mg.Anode(mm) | Φ22*300 | ||||||||||||||
| Water Connection | G / BSP / NPT 3/4" | G / BSP / NPT 1" | G / BSP / NPT 3/4" | ||||||||||||
| N.W.(KG, NOT Including Coils) | 16 | 20 | 33 | 36 | 44 | 50 | 60 | 75 | 80 | 138 | 230 | 330 | 52 | 62 | 78 |
| G.W.(KG, NOT Including Coils) | 19 | 23 | 36 | 40 | 48 | 54 | 65 | 80 | 85 | 188 | 307 | 430 | 56 | 67 | 83 |
| Packing Size(mm) | 550*550*820 | 550*550*1120 | 550*550*1580 | 600*600*1600 | 635*635*1600 | 635*635*1900 | 790*790*1640 | 790*790*1940 | 790*790*2250 | 1030*1030*2300 | 1230*1230*2380 | 1430*1430*2350 | 635*635*1900 | 790*790*1640 | 790*790*1940 |
We offer comprehensive customization for water tanks to meet diverse application needs. Customers can select stainless steel tanks in sizes ranging from 60L to 2000L, with outer shell finishes in various colors including black, white, golden, brown, silver and the original stainless steel color. Depending on specific production requirements, different heating coil types are also available, such as flat coils, wave coils and refrigerant system coils.
Backed by 17 years of professional welding experience, all our welders are certified. We carry out strict quality control, 100% online leakage testing at 6–16 Kgf/cm² and holding pressure for 3 minutes, ensuring every product is qualified and backed by a 3-year warranty. For key components, we partner with top industry suppliers: valves from DUN’AN, one of China’s largest listed valve manufacturers, and electrical heater sensors from Germany’s EMERSON, guaranteeing stable and reliable product performance.
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