Liquid Oxygen/Nitrogen/LNG/CO2 Cryogenic Storage Dewar

Product Description

Industrial and Medical Use 80L/100L/175L/195L/210L/232L/410L/450L/500L/1000L Stainless Steel Cryogenic Liquid Gas Dewar Cylinders Oxygen/Nitrogen/Argon/CO2 Storage Dewar Tank--175L 195L 210L
Product Description
Dewar tanks are stainless steel pressure vessels with super vacuum insulation, designed for the storage, transportation and use of liquid oxygen, liquid nitrogen, liquid argon or carbon dioxide. These vessels are manufactured according to DOT4L standards and are used for reliable and economical transportation and storage of cryogenic liquid gases, as well as for on-site storage and supply of cryogenic liquid gases in a wide range of applications.
1. Mainly used for transporting and storing liquid oxygen, liquid nitrogen, liquid argon, liquefied natural gas and liquid carbon dioxide.
2. High vacuum multi-layer insulation is adopted to ensure low evaporation rate.
3. The built-in vaporizer automatically provides 10Nm3/h of stable and continuous gas.
4. The gas-saving device gives priority to using gas phase space over pressure gas.
5. Adopt internationally common CGA standard connectors, all imported valve configurations.
6. Unique shock-absorbing ring design meets frequent transportation requirements.
7. Applicable to: electronics, scientific research, chemical industry, welding, medical,LNG supply and other industries
Main types and parameters

1,Medium Pressure Product Specifications
Product Model		DPL-175	DPL-195	DPL-210	DPW-499
Dimensions(mm)		Φ505×1551	Φ505×1675	Φ505×1761	2113×760×995
Working pressure (MPa)		1.37	1.37	1.37	1.59
Safety Valve Jumping up pressure(MPa)		1.59	1.59	1.59	1.89
Bursting pressure of bursting disc (MPa)		2.41*	2.41*	2.41*	2.41(2.86*)
Geometric volume (L)		175	195	210	499
Effective volume (L)		160	180	195	460
Evaporation rate (liquid nitrogen)		2.10%	2.02%	1.99%	1.70%
Empty bottle weight (kg)		125	135	140	345
Filling weight	Oxygen (kg)	170	190	205	478
	Nitrogen (kg)	120	134	145	334
	Argon (kg)	208	232	250	585
	Natural gas (kg)	70	78	84	196
2,High Pressure Product Specifications
Product Model		DPL-175H	DPL-196H	DPL-210H	DPW-499H
Overall dimensions (mm)		Φ505×1551	Φ505×1676	Φ505×1761	2113×760×995
Working pressure (MPa)		2.3	2.3	2.3	2.5
Safety Valve Jumping up pressure(MPa)		2.41	2.41	2.41	2.86
Bursting pressure of bursting disc (MPa)		3.62*	3.62*	3.62*	3.62(4.14*)
Geometric volume (L)		175	195	210	499
Effective volume (L)		160	180	195	460
Evaporation rate (liquid nitrogen)		2.10%	2.02%	1.99%	1.70%
Empty bottle weight (kg)		143	152	160	405
Filling weight	Oxygen (kg)	170	190	205	478
	Nitrogen (kg)	120	134	145	334
	Argon (kg)	208	232	250	585
	Carbon dioxide (kg)	164	183	197	460

Detailed Photos
Factory storage real shot image
Packaging & Shipping

Special needs customization

1,According to customer needs, 175L, 195L, 210L can be made with external frames and pulleys (499L comes with its own frame and pulleys), which is convenient for forklifts and short-distance movement

2,According to customer needs, 175L, 195L, 210L can be made into double or quadruple combinations to increase the filling volume.

3,The interface form can be customized according to customer needs.

Some applications of liquid oxygen dewar tanks

1,Gas filling station use.

2,Used in cutting and welding factories to replace compressed oxygen cylinders and save costs.

3,Laboratory use.

Notes:

Before filling the gas cylinder with cryogenic liquid, first determine the filling medium and filling weight of the gas cylinder. The filling weight can be found in the product specification sheet. To ensure accurate filling, please use a scale for measurement.

1, Use a special delivery hose to connect the cylinder inlet and outlet valves (DPW cylinders have inlet valves) to the supply source and tighten them to prevent leakage.

2, Open the discharge valve and inlet and outlet valves of the gas cylinder, then open the supply valve to start filling.

3, During the filling process, monitor the pressure in the bottle with a pressure gauge and adjust the discharge valve to keep the pressure at 0.07~0.1MPa (10~15 psi)

4, When the required filling weight is reached, close the inlet and outlet valves, the discharge valve and the supply valve.

5, Remove the transfer hose and move the cylinder off the scale.

Warning: It is strictly forbidden to overfill the gas cylinder.

Warning: Before filling, the medium in the bottle and the filling medium should be confirmed.

Warning: Filling should be done in a well-ventilated place, as the accumulation of gas is very dangerous

Note: The pressure of a fully filled gas cylinder rises very quickly, which may cause the safety valve to open.

Note: After just performing liquid oxygen or liquefied natural gas operations, be careful not to smoke or approach fire immediately because liquid oxygen or liquefied natural gas may splash on your clothes.

Note: When the saturated pressure of liquid carbon dioxide drops to 0.48MPa (70 psi), liquid carbon dioxide will form solid dry ice. Therefore, when using DPL450-175H/195H/210H, DPL450-175V/195V/210V, DPW650-499H gas cylinders to fill liquid carbon dioxide, the carbon dioxide gas in the cylinder must be pressurized before filling.

Company Profile
Qingdao Sains Gas Technology Co.,Ltd is a professional gas manufacturer of all kinds of gas. With our abundant experience and unique technological development capabilities, we support a wide range of industrial sectors, including steel, chemicals, electronics, automobiles, construction, shipbuilding, food/beverages, and medical care. Our commitment is "focusing on gas application solutions".
Certifications
Our Advantages

High Quality with Reasonable Competitive Price

We manufacture with strict and complete quality control system, and all products are strictly inspected before shipment. Besides, we use advanced technique to reduce any possible cost without lowing quality standard to provide our customers competitive price.

Fast Delivery Time

Supply capacity 3000 pcs per month.

Excellent Professional Service(24 hours Service Support)

We are always good at providing solutions and services to be your trustworthy partner.

OEM/ODM ACCEPTED

External frames and pulleys can be made.175L, 195L, 210L can be made into double or quadruple combinations to increase the filling volume.

FAQ
Q1: What is the capacity of this gas cylinder?
A1: We can supply capacity from 80L to 1000L.
Q2: What is the delivery time of this gas cylinder?
A2: 25-35 days usually.Mainly it depends on when we get the production materials.
Q3: Payment method accepted?
A3: TT,L/C,West Union,Paypal or any other ways.
Q4: What kind of certification do you provide?
A4: We can provide clients CE/ASME/EAC/TPED··
Q5:Can we use our LOGO and design?
A5:Of course, we offer OEM/ODM service.
Q6:Any warranty for the goods?
Q6:Normally 4 year warranty after delivery except artificial damage.

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