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Industrial Gas Vaporizer

Industrial Gas Vaporizer Manufacturer for Efficient Cryogenic Liquid-to-Gas Conversion

 

Industrial gas vaporizers convert cryogenic liquids—including nitrogen (N2), oxygen (O2), argon (Ar), carbon dioxide (CO2), and liquefied natural gas (LNG)—into continuous gaseous supply. Engineered for operating pressures up to 500 bar and flow capacities ranging from 50 Nm3/h to 10,000+ Nm3/h, these units integrate directly into bulk storage terminals, cylinder filling plants, and industrial utility pipelines.

 

 
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Vaporizer Types & Operating Principles

Ambient Air Vaporizers (AAV)
Utilize natural atmospheric convection through extruded aluminum star-fin tubes to vaporize cryogenic liquids without external electrical or fuel power.
Flow Capacity: 50-5,000 Nm3/h per unit
Design Pressure: Standard 40 bar to 500 bar (High-Pressure Series)
Best For: Outdoor continuous-duty stations, low-OPEX facilities, and off-grid gas installations.

 

Water Bath Vaporizers (WBV)
Employ electric immersion heaters, low-pressure steam, or hot water circuits to transfer heat to the submerged stainless steel or alloy coil, ensuring continuous output regardless of ambient weather conditions.
Flow Capacity: 200-10,000+ Nm3/h
Heat Source: Electric immersion, process steam, or auxiliary hot water circulation
Best For: Cold-climate regions, indoor installations, high-flow peak shaving, and precise temperature-controlled downstream lines.

 

Forced Convection & Direct-Fired Vaporizers
Incorporate forced draft fans or direct burner systems to rapidly process heavy volumetric surges in LNG peak shaving stations and emergency backup terminals.
Flow Capacity: Custom engineered above 5,000 Nm3/h
Best For: Large-scale energy distribution and high-volume industrial plants.

 

Technical Specifications

Parameter

Ambient Air Series

Electric / Steam Water Bath Series

High-Pressure Series

Medium Compatibility

N2, O2, Ar, CO2, LNG

N2, O2, Ar, CO2, LNG

N2, O2, Ar (Cylinder Filling)

Capacity Range

50-5,000 Nm3/h

200-10,000 Nm3/h

100-2,000 Nm3/h

Max Working Pressure

40 bar / 100 bar

40 bar / 160 bar

350 bar / 500 bar

Design Temperature

-196 deg C to +50 deg C

-196 deg C to +80 deg C

-196 deg C to +50 deg C

Heat Transfer Material

LF6 / 6063-T6 Aluminum Fin Alloy

304 / 316L Stainless Steel Seamless Tube

316L / Monel / Inconel Inner Liner

Pressure Core Material

304 / 316L Stainless Steel (TIG Welded)

ASTM A312 TP304 / TP316L

Seamless SS 316L Heavy-Wall Pipe

Design Standards

ASME Section VIII, Division 1, PED 2014/68/EU

ASME Section VIII, Division 1, PED 2014/68/EU

ASME Section VIII, Division 1, GB 150

Connection Types

RF Flange / Butt Weld / Threaded

ANSI B16.5 Flange / Butt Weld

High-Pressure Threaded / Cone-and-Thread

 

Safety Relief Fitted Liquid Oxygen Ambient Air Vaporizer For Petrochemical Park

 

Target Applications

Industrial Cylinder Filling Depots: High-pressure ambient and water-bath units for 200 bar-300 bar gas manifold charging (N2, O2, Ar).

 

Steelmaking & Metal Fabrication: High-flow oxygen and argon vaporization for oxy-fuel cutting, arc welding shielding, and plasma operations.

 

Chemical & Petrochemical Processing: Nitrogen purging, blanketing, and reactor pressure testing requiring steady-state gas temperatures.

 

LNG Regasification Stations: Satellite regasification units feeding municipal gas grids or remote power generators.

 

Electronics Manufacturing: Ultra-high purity (UHP) nitrogen vaporization featuring orbital-welded 316L EP tubing.

 

Engineering & Customization Options
 

Cryogenic Materials Selection

 

Stainless steel 304/316L, Monel 400 for high-concentration oxygen safety, and Inconel alloys for elevated pressure/corrosion resistance.

Extended Fin Profiles

 

8-fin, 12-fin, and 16-fin extruded aluminum profile options to maximize surface area and extend de-frosting intervals in high-humidity zones.

Automated Switching & Defrost Skids

Dual-bank auto-switchover systems with pneumatically actuated valves and PLC controllers to maintain non-stop gas flow during defrost cycles.

Explosion-Proof Electrical Enclosures

Class I, Division 1 / Division 2 or ATEX Zone 1 / Zone 2 compliant junction boxes and heating elements for hazardous areas.

 

Manufacturing Quality & Pressure Vessel Compliance
 

Welding Protocols: All pressure-retaining welds are performed by qualified welders certified to ASME Section IX and EN ISO 9606-1, utilizing GTAW (TIG) processes.

 

Non-Destructive Testing (NDT): 100% Radiographic Testing (RT) or Ultrasonic Testing (UT) on primary pressure joints, paired with Liquid Penetrant Testing (PT) on all fillet welds.

 

Pressure Testing: Factory Hydrostatic Test at 1.3 times design pressure, followed by Pneumatic Helium / Nitrogen Leak Testing to verify joint integrity at cryogenic boundaries.

 

Surface Preparation: Oxygen-service units undergo chemical degreasing, solvent cleaning, and black-light verification under ASTM G93 standards to eliminate hydrocarbon contaminants.

 

Traceability & Certification: Mill Test Reports (MTR) according to EN 10204 3.1 supplied for all pressure-retaining raw materials.

 

 

Our Certificate

 

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FAQ

 

Q: How do ambient weather conditions affect Ambient Air Vaporizer sizing?

A: Ambient temperature, relative humidity, and continuous run hours directly impact heat transfer efficiency. In cold climates or high-humidity regions, frost builds up on fin surfaces, reducing thermal efficiency over time. We size units with a 20%-30% thermal margin for standard duty cycles and recommend dual-bank switchover skids for 24/7 continuous operations.

Q: What measures prevent cryogenic liquid carryover into downstream carbon steel piping?

A: Liquid carryover occurs when gas demand exceeds thermal capacity. We integrate downstream low-temperature shutoff valves, RTD temperature sensors, and emergency check valves that automatically stop liquid flow if line temperatures drop below set thresholds (e.g., -20 deg C).

Q: Are your vaporizers certified for high-purity oxygen service?

A: Yes. All oxygen-service heat exchangers are degreased and cleaned according to ASTM G93 / AIGA guidelines. Hydrocarbon residues are verified under UV inspection (less than 100 mg/m2). Units are purged with dry nitrogen and sealed with end caps prior to shipment.

Q: What is the typical pressure drop (Delta P) across the vaporizer system?

A: Standard designs limit internal pressure drop to less than 0.5 bar at rated nominal flow. For high-pressure filling or long-distance piping runs, internal manifold diameters can be enlarged to maintain the required outlet pressure.

Q: What documentation accompanies each unit upon delivery?

A: Each pressure vessel includes a Quality Assurance Dossier containing:
ASME U-Stamp or CE-PED Declaration of Conformity
Material Test Certificates (EN 10204 3.1)
NDT (RT/PT/UT) Inspection Reports
Hydrostatic and Pneumatic Test Certificates
Oxygen Cleaning Certification (where applicable)

Q: What information is required to receive a technical quote and sizing drawing?

A: To generate an accurate sizing calculation and 2D/3D layout, provide:
Gas Medium (N2, O2, Ar, CO2, LNG, etc.)
Nominal and Peak Flow Rates (Nm3/h or Sm3/h)
Operating & Design Pressure (bar or PSI)
Required Duty Cycle (e.g., 8 hours/day vs. 24/7 continuous)
Ambient Temperature Range & Installation Location (Indoor/Outdoor)

As one of the most professional industrial gas vaporizer manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy advanced industrial gas vaporizer in stock here from our factory. We also accept customized orders.