1, 3.3L cylinder with 2KG N2O gas
Standard: EN ISO11118:2015
Volume:3.3L
Weight :2.7kg
with gas weight:2kg
Diameter 105mm
Length: 540mm
Min.thickness:5.5mm
Working pressure:120bar
Test pressure:180bar
Material:HP265
N2O Purity: ≥99%
2.Food grade N2O gas , purity is ≥99.9%.
| Specification | Certified concentration | Analytical method | ||
| N2O | ≥99.9 | ≥99.9 | % | HG2685-1995 |
| CO | ≤10 | ≤10 | ppm | |
| CO2 | ≤250 | ≤250 | ppm | |
| H2O | ≤100 | ≤100 | ppm | |
| NO-NO2 | ≤0.5 | ≤0.5 | ppm | |
| N2 | ≤25 | ≤25 | ppm | |
| NH3 | ≤5 | ≤5 | ppm | |




Part 1.
Product specification:Vertical cryogenic liquid tank
Product model:ZCF-20000/16
General technical parameters:
| Valid capacity | 20000L |
| Geometrical capacity | 21500L |
| Max. Operating pressure | 1.6MPa |
| Main material(inner vessel/outer barrel ) | SA240M 304/Q245R |
| Heat insulating mode | Vacuum powder |
| Medium | LN2 O |
| Externality dimension | ~φ2216×11000mm |
| Weight | ~10500kg |
| design temp(inner vessel/outer barrel ) | -196/+40ºC |
Scope of supply:
(1)tank body 1 set
(2)The Valves of tank (equipped with high-quality valves, instruments and liquid level gauge listed in the following:
Valves list (get more details on process chart)
| NO. | Description | Code | Model | Quantity |
| 1 | Pressure Building-up Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 2 | Upper Liquid Inlet Valve | 328DL40 | PN4.0 DN40 | 1 |
| 3 | Lower Liquid Inlet Valve | 328DL40 | PN4.0 DN40 | 1 |
| 4 | Liquid Discharge Valve | 328DJ40 | PN4.0 DN40 | 1 |
| 5 | Pressure Building-up Adjustable Valve | 253DE20C | PN2.5 DN20 | 1 |
| 6 | Three-way Valve | 251DT25A | PN2.5 DN25 | 1 |
| 7 | Gas Passing Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 8 | Air-Return Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 9 | Vent Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 10 | Residual Discharge Valve | 251DA8 | PN4.0 DN8 | 1 |
| 11 | Safety Valve of Inner Valve | 7K25 | PN2.5 DN25 | 2 |
| 12 | Outer Vessel Safety Valve | H019 | 1 | |
| 13 | Piping Safety Valve | 350PSI | DN8 | 1 |
| 14 | Fullness Indication Valve | 328DJ10 | PN4.0 DN10 | 1 |
| 15 | Control Valve of Liquid Valve | DN4 PN4.0 | 1 | |
| 16 | Vacuum Valve | ZK-30WA | 1 | |
| 17 | Pressure Indication of Inner Vessel | YO-100 Manometer | 0~2.5MPa | 1 |
| 18 | Liquid Level Indication | Differential Pressure Type | 0~15000mm | 1 |
(3)Technical documents 1 set
| Safety Performance Inspection Certificate of Pressure Vessel Product | one copy |
| Eligible Certificate of Product | one copy |
| Quality Certificate of Pressure Vessel | one copy |
| Material List of Main Compressive Elements | one copy |
| All Kinds of Test and Inspection Report | one set |
| Location Diagram of Welding Seam Detection | one copy |
| Nameplate Copy | one copy |
| Eligible Certificate of Complete Valve Instrument | one set |
| Final Drawing | two copies |
| Operational Instruction Manual | one copy |
| Operational Instruction Manual of Liquid Level, Safety Valve | one set |



Part 2.
Product specification:Vertical cryogenic liquid tank
Product model:ZCF-50000/16
General technical parameters:
| Valid capacity | 50000L |
| Geometrical capacity | 53630L |
| Max. Operating pressure | 1.6MPa |
| Main material(inner vessel/outer barrel ) | SA240M 304/Q245R |
| Heat insulating mode | Vacuum powder |
| Medium | LN2 O |
| Externality dimension | ~φ3020×12900mm |
| Weight | ~23100kg |
| design temp(inner vessel/outer barrel ) | -196/+40ºC |
Scope of supply:
(1)tank body 1 set
(2)The Valves of tank (equipped with high-quality valves, instruments and liquid level gauge listed in the following:
Valves list (get more details on process chart)
| NO. | Description | Code | Model | Quantity |
| 1 | Pressure Building-up Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 2 | Upper Liquid Inlet Valve | 328DL40 | PN4.0 DN40 | 1 |
| 3 | Lower Liquid Inlet Valve | 328DL40 | PN4.0 DN40 | 1 |
| 4 | Liquid Discharge Valve | 328DJ40 | PN4.0 DN40 | 1 |
| 5 | Pressure Building-up Adjustable Valve | 253DE20C | PN2.5 DN20 | 1 |
| 6 | Three-way Valve | 251DT25A | PN2.5 DN25 | 1 |
| 7 | Gas Passing Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 8 | Air-Return Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 9 | Vent Valve | 328DJ25 | PN4.0 DN25 | 1 |
| 10 | Residual Discharge Valve | 251DA8 | PN4.0 DN8 | 1 |
| 11 | Safety Valve of Inner Valve | 7K25 | PN2.5 DN25 | 2 |
| 12 | Outer Vessel Safety Valve | H019 | 1 | |
| 13 | Piping Safety Valve | 350PSI | DN8 | 1 |
| 14 | Fullness Indication Valve | 328DJ10 | PN4.0 DN10 | 1 |
| 15 | Control Valve of Liquid Valve | DN4 PN4.0 | 1 | |
| 16 | Vacuum Valve | ZK-30WA | 1 | |
| 17 | Pressure Indication of Inner Vessel | YO-100 Manometer | 0~2.5MPa | 1 |
| 18 | Liquid Level Indication | Differential Pressure Type | 0~15000mm | 1 |
(3)Technical documents 1 set
Including:
| Safety Performance Inspection Certificate of Pressure Vessel Product | one copy |
| Quality Certificate of Pressure Vessel | one copy |
| Eligible Certificate of Product | one copy |
| Material List of Main Compressive Elements | one copy |
| All Kinds of Test and Inspection Report | one set |
| Location Diagram of Welding Seam Detection | one copy |
| Nameplate Copy | one copy |
| Eligible Certificate of Complete Valve Instrument | one set |
| Final Drawing | two copies |
| Operational Instruction Manual | one copy |
| Operational Instruction Manual of Liquid Level, Safety Valve | one set |










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