Liquid Oxygen Dewar DPL700/900 Series

Liquid Oxygen Dewar

DPL700/900 series Liquid Oxygen Dewar of SERLNG Company have large volume, low evaporation rate and less waste than ordinary gas cylinders. The lightweight protection frame is convenient for handling and well protects the cylinder. The working pressure includes medium pressure, high pressure and ultra-high pressure, and the volume range is 400~1000L, effectively filling the market gap between ordinary liquid cylinders and fixed storage tanks. After years of market validation, the customer satisfaction is high, and the product performance indicators have reached the high level of the industry.

Geometric Volume:410,455,500,1000L

Inner Tank Design Temperature: -196

Jacket Tank Design Temperature: -20℃~+50℃

Insulation: Vacuum with Multi-layer Wrapped

Stored Medium: Liquid Argon, Oxygen, Nitrogen, CO2,ect.

Inner Tank Material: S304 08 or SA240

Jacket Tank Material: Q345R or Q235

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Advantage
Specification
Application of Liquid Oxygen Dewar

The upgraded electronic level gauge is intuitive, accurate and easy to use

Full 304 stainless steel structure, easy to maintain

Six service commitments to reassure customers

High Vacuum Design

Economizer Design

Level Gauge and Pressure Gauge on all Tanks

Relief Valve available from world Top brand

Protect Frame as Option

Beyond the standard thermal insulation performance, the storage duration is extended and the cost is reduced

Strengthened body structure and special shock absorption base to extend service life

Select excellent suppliers in the industry and combine advanced manufacturing technology to ensure product safetyand low failure rate

Specifications		MP			HP			VHP
Geometric Volume（L）		410	455	500	455	500	1000	455	500
Effective Volume（L）		369	409.5	450	409.5	450	920	409.5	450
Set pressure of relief valve	Mpa	1.59			2.76		2.94	3.79
Set pressure of relief valve	Psig	230			400		426	550
Empty weight（kg）		~234	~248	~385	~302	~324	~864	~348	~386
* Max filling weight（kg）	LO₂	373	414	456	343	377	745	303	332
	LN₂	250	278	305	206	226	440	165	181
	LAr	455	505	555	415	457	903	363	399
	LNG	124	137	151	~~~
	LCO₂	~~~			411	452	895	382	420
NER LN2（%/day）		≤2.03	≤1.96	≤1.9	≤1.96	≤1.9	≤1.8	≤1.96	≤1.9
Gas flow（Nm³/hr）	O₂ N₂ AR	15	15	15	15	40**	55**	15	40**
	NG	10	10	10	~~~
	CO₂	~~~			5	13**	18**	5	13**
Frame without wheel	Length L（mm）	860	860	890	860	890	1110	860	890
	Width W（mm）	860	860	880	860	880	1110	860	880
	Height H（mm）	1785	1900	2010	1900	2010	2270	1900	2010
Frame with wheels	Length L（mm）	1100	1100	1130	1100	1130	~~~	1100	1130
	Width W（mm）	860	860	890	860	890	~~~	860	890
	Height H（mm）	1855	1970	2100	1970	2100	~~~	1970	2100
Liquid level display mode		Mechanical/Digital

Dewar cylinder vertical and horizontal types at Jiangsu SERLNG New Technology CO., Ltd. can be delivered in DPL450/550 series, DPL700/900 series and DPW650 series with medium pressure, high pressure and ultra-high pressure in plastic bag with cardboard box outside, or as customized specification to reach the perfect solution.

A Liquid Oxygen Dewar is a specialized vacuum-insulated container designed for the storage and transportation of liquid oxygen. It features a durable, corrosion-resistant construction, made of stainless steel, and provides superior insulation to maintain the low temperatures required for liquid oxygen storage. The primary function of the Liquid Oxygen Dewar is to store and deliver liquid oxygen safely and efficiently, ensuring a stable supply for various applications. It is widely used in medical fields for patient oxygen therapy, in industrial settings for metal cutting and welding, and in scientific research for cryogenics and low-temperature experiments.

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