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210L Vertical Dewar Bottle
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Main performance features:

1, mainly used for transportation and storage of liquid oxygen, liquid nitrogen, liquid argon, liquefied natural gas, liquid carbon dioxide.

2. adopt high vacuum multi-layer insulation to ensure low evaporation rate.

3, built-in carburetor automatically provides 10nm3/h stable and continuous gas.

4. overpressure gas in gas phase space is preferred in solar term devices.

5, the use of international cga standard joint, all imported valve configuration.

6, unique damping ring design to meet the requirements of frequent transportation.

7, suitable for: electronics, scientific research, chemical, welding, lng supply and other industries.


SpecificationsMedium voltage product High Voltage Product 
Product modelDPL-210DPL-210H
External dimension mmΦ505×1761Φ505×1761
Working pressure (MPa)1.372.3
Safety valve take-off pressure   (MPa)1.592.41
Bursting pressure of bursting   disc (MPa)2.41*3.62*
Geometric volume (L)210210
Effective volume (L)195195
Evaporation rate (liquid   nitrogen)1.99%1.99%
Weight of empty bottle (kg)140160
The quality of   fillingOxygen   measurement (kg)205205
Nitrogen (kg)145145
Argon (kg)250250
Natural gas (kg)84197


The company's leading products are: low-temperature welding insulation cylinders, low-temperature storage tanks, D1, D2 pressure vessels and other products. Runfeng products are highly praised by customers all over the country for their absolute advantages of high safety, good seismic resistance and high vacuum, as well as a number of national patents. At the same time, the marketing service network throughout the country provides technical support, maintenance, use training and other ancillary services for users to ensure that users have no worries after sales.

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