Description
The Cryogenic Services Incorporated PLC-180LP Cryogenic Container is a vacuum insulated cylinder designed to furnish liquid oxygen, nitrogen, or argon on a reliable, economical basis. The PLC-180LP will hold 180 liters of cryogenic product, the container has a pressure range of 0 to approximately 22 psig.
The product can be dispensed only as a liquid. This tank does not contain any pressure buildup or vaporizer systems. Pressure in the tank is built by evaporation of product in the container. This evaporation is caused by the nominal heat leak into the container. The resultant gas, or boil off, is trapped in the container end causes the pressure to rise slowly as it expands. This pressure causes liquid to flow up the internal dip tube and out the liquid valve. If the container is left unused for a period of time, the pressure will build to the safety relief valve setting. If the container is used after pressure is built, the pressure should drop due to the increased area for gas expansion created by the dropping liquid level.
The insulation system is comprised of multiple layers of foil and paper that are incorporated with a very low vacuum. This vacuum is factory sealed and with the aid of internal molecular sieve, it should remain low for the life of the container. The design and construction of the PLC-18OLP is aimed at building the most durable tank available today. The inner vessel is constructed of stainless steel and coded to the DOT 4-L Code.
Product family: PLC-180-LP, PLC180LP, PLC 180 LP, PLC 180-LP, PLC180 LP, PLC-180LP, PLC-180 LP

Technical Specifications
| Specific Dimensions
|
| Diameter | 20"
|
| Height | 63 1/2"
|
| Weight
|
| Approximate Tare | 230 lbs
|
| Liquid Capacity
|
| Maximum | 196 liters (51.8 gallon)
|
| Nominal | 180 liters (47.6 gallon)
|
| Normal Daily Evaporation Rate
|
| Oxygen or Argon | 1.3% of capacity
|
| Nitrogen | 1.9% of capacity
|
| Design
|
| Design Specification | DOT 4L
|
| Rated (DOT) Service Pressure | 200 PSIG
|
| Safety Devices
|
| Pressure Relief Valve | 22 PSIG
|
| Inner Casing Burst Disc Rating | 400 PSIG
|
| Outer Casing Burst Disc Rating | 25 PSIG
|
| Line Connections (Inert)
|
| Liquid Fill and Withdrawal | 1/2" ODT (SAE45° Flare)
|
| Gas Vent | 1/2" ODT (SAE45° Flare)
|
| Line Connections (Oxygen)
|
| Liquid Fill and Withdrawal | 5/8" ODT (SAE45° Flare)
|
| Gas Vent | 5/8" ODT (SAE45° Flare) |
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