
Product Model | DPL-100 | DPL-175 | DPL-195 | DPL-210 | DPL-410 | DPL-450 | ||
Diameter*Height(mm) | 454*1247 | 508*1500 | 508*1620 | 508*1707 | 750*850*1770 | 750*850*1900 | ||
Working Pressure(MPa) | 1.33 | 1.42.01 | 1.42.01 | 1.42.01 | 1.43.17 | 1.43.17 | ||
2.88 | 2.88 | 2.88 | ||||||
Pressure Relief Valve(MPa) | 1.59 | 1.592.41 | 1.592.41 | 1.592.41 | 1.593.45 | 1.593.45 | ||
3.45 | 3.45 | 3.45 | ||||||
Inner Container Bursting Disc(MPa) | 2.6 | 2.603.62 | 2.603.62 | 2.603.62 | 2.605.70 | 2.605.7 | ||
5.17 | 5.17 | 5.17 | ||||||
Maximum Liquid Capacity(L) | 100 | 175 | 195 | 210 | 410 | 450 | ||
Usable Liquid Capacity(L) | 95 | 166 | 185 | 197 | 389 | 427 | ||
Normal Evaporation Rate ((LN2)) | ≤2.1% | ≤2.1% | ≤2.1% | ≤2.1% | ≤1.8% | ≤1.8% | ||
Tare Weight(Kg) | 70 | 110 | 117 | 123 | 282 | 289 | ||
The Filling Quality | Oxygen(Kg) | 100 | 172 | 191 | 205 | 443 | 487 | |
Nitrogen (Kg) | 73 | 121 | 135 | 145 | 315 | 346 | ||
Argon(Kg) | 127 | 208 | 233 | 250 | 548 | 602 | ||
Natural Gas (Kg) | ---- | 70.1 | 76 | 86.3 | 161 | 176 | ||
CO2(Kg) High Pressure only | ---- | 138 | 154 | 164 | 325 | 357 | ||
N2O(Kg) High Pressure only | ---- | 191 | 213 | 227 | 448 | 492 |
Strong technical force, perfect quality assurance system. The company invests a large amount of revenue annually in the development and testing of new technologies and products. Strive for Standard Enterprise in Low Temperature Industry.



Hebei Huayu Environment Engineering Co., Ltd. is an emerging high-tech enterprise specializing in the design, manufacturing and R & D of low-temperature pressure vessels. The company's leading products include low-temperature welded insulation bottles, low-temperature storage tanks, D1 and D2 pressure vessels. With an annual output of more than 40000 low-temperature bottles and more than 2000 storage tanks. The company has professional production and testing equipment at home and abroad, such as large-scale hydraulic tilting plate bending machine, full-automatic NC four roll plate bending machine, full-automatic NC longitudinal seam and circumferential seam welding machine, vacuum pumping unit, NC winding machine, electrostatic spraying, helium mass spectrometer leak detector, spectrum analyzer, full-automatic ultrasonic flaw detector, magnetic powder flaw detector, X-ray digital imaging system and so on.