Liquid Argon Dewar DPL450/550 Series

Liquid Argon Dewar is an insulated dewar cylinder specially used for storing and transporting liquid argon. Its main features include:

Double-layer design: Usually a double-layer or multi-layer structure is adopted, and a vacuum is drawn between the inner and outer layers. This design can significantly reduce heat conduction. LAr Dewar bottles can be installed and produced according to customer-specified accessories. At the same time, we can provide booster pumps, vaporizers and other relating facilities in use.

Low-temperature insulation: By isolating the external heat source, the internal low temperature is maintained (the boiling point of liquid argon is about 87 K) to ensure that the liquid argon remains in a liquid state.

Low-temperature resistant materials: Stainless steel or other materials suitable for low-temperature environments are often used to ensure the stability and safety of the container at extremely low temperatures.

Liquid Argon Dewar plays an important role in low-temperature physics, particle physics experiments and some industrial applications.

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Advantage
Specifications
Application

304 Stainless Steel Structure: Durable, corrosion-resistant, and easy to maintain.
Reinforced Body & Special Shock-Absorbing Base: Designed to extend the cylinder's lifespan, even under challenging conditions.
Upgraded Electronic Level Indicator: Offers intuitive, accurate, and convenient usage.
Superior Insulation Performance: Beyond standard insulation capabilities, this helps extend storage time and reduce costs.
Comprehensive Product Range: Available in multiple sizes to meet diverse application needs.
Multiple Tests: Each liquid Dewar flask will undergo two tests: static evaporation rate test, liquid filling test, air tightness test, and cylinder pressure test to ensure the quality of our products.

Specifications		MP							HP					VHP
Geometric Volume (L)		110	175	195	210	235	245	285	110	175	195	210		175	195	210
Effective Volume (L)		104	166	185	199	223	232	270	104	166	185	199		166	185	199
Diameter（mm）		508	508	508	508	508	610	610	508	508	508	508		508	508	508
Height（mm）		1088	1499	1625	1719	1870	1462	1640	1091	1503	1629	1723		1500	1628	1720
Work Pressure (MPa)		1.37							2.05					2.88
Pressure of RV (MPa)		1.59							2.41					3.45
Empty Weight（kg）		82	108	116	124	132	140	163	94	122	134	142		144	158	168
* Max Filling Weight （kg）	LOX	93	148	165	177	199	207	241	85	136	152	164		122	136	146
	LN₂	61	98	109	118	132	137	160	54	85	95	102		64	71	76
	LAR	113	180	201	216	242	252	293	104	166	185	199		147	164	176
	LNG	33	53	59	63	71	74	86	~~~	~~~	~~~	~~~		~~~	~~~	~~~
	LCO₂	~~~	~~~	~~~	~~~	~~~	~~~	~~~	101	161	179	193		150	168	180
LN₂ NER (%/day)		≤3.28	≤2.5	≤2.45	≤2.41	≤2.35	≤2.33	≤3.23	≤3.28	≤2.5	≤2.45	≤2.41		≤2.9	≤2.7	≤2.6
Gas Flow (Nm³/hr)	O₂ N₂AR	6	9	9	9	12	10	13	6	9	9	9	9		9	9
Gas Flow (Nm³/hr)	CO₂	~~~	~~~	~~~	~~~	~~~	~~~	~~~	4	6	6	6	6		6	6
Liquid Level Gauge		Float/Pointer/Electronic Digit-display

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.

The DPL450/550 Dewar Series is widely used across various industries including:

Industrial: For the storage and supply of liquefied gases such as liquid oxygen, nitrogen, and argon, meeting the needs of metal cutting, welding, nitrogen protection, and more.

Medical: To store medical liquid oxygen, ensuring a stable oxygen supply for healthcare institutions.

Scientific & Research: Used for storing laboratory reagents, cryogenics, and low-temperature physics experiments.

Food Preservation: Ideal for storing and freezing food to maintain freshness.

With its large capacity, high gas utilization rate, and ease of operation, the DPL450/550 Series Dewar cylinder is widely recognized for its reliability and efficiency in numerous fields.

Packaging:

The Dewar cylinders are typically packaged in plastic bags and covered with a carton box. Custom packaging options are also available to meet specific requirements and ensure safe transport.

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