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Propane Systems: Vaporizers

Some small propane loads can be supplied with vapor drawn directly off the top of a tank. Heat is conducted from outside the tank to the propane liquid at a rate sufficient to support the required vaporization. In the process, a gallon of liquid propane will become approx. 36 cubic feet of vapor.
For industrial and larger commercial loads, this simple approach to vaporization has limited application. Instead, "vaporizers" are used to heat the liquid propane, creating the needed volume of vaporized gas. Vaporizers are available in sizes from ten gallons to thousands of gallons per hour. Several basic configurations are shown in the diagrams below. Note that required controls and safety devices are not shown in detail.
Direct Fired
DF Direct Fired
Direct Fired 40/40 & 80/40 (PDF)
NEW! 60/60H and 120/60H (PDF)
  • Simple to install, no electricity required.
  • Complete with all operating and safety controls.
  • Offers uniform gas supply over a broad temperature range.
  • Only requires 1.5 square feet and two connections to install these self-contained units.
  • 3.64 - 7.28 MMBTU/hr
  • 40 - 120 GPH
AQUAVAIRE Vertical Gas Fired Waterbath LPG Vaporizer (PDF)
  • Safe and efficient LPG vaporization means for commercial, industrial and utility gas consumption applications.
  • Vertical design with a single pass tube coil surrounded by a waterbath which is heated by LPG or natural gas fired power burner.
  • Optional IRI, CGA burner configuration.
  • 29 - 150 MMBTU/hr
  • 320 - 1650 GPH
AQUAVAIRE Horizontal
AQUAVAIRE Horizontal Waterbath Vaporizer (PDF)
  • Horizontal design in which an LPG or natural gas fired power burner heats a waterbath containing an immersed multiple pass heat exchanger.
  • Temperature controller regulates the on\off cycle of the burner to maintain the waterbath temperature at a predetermined point.
  • Waterbath circulating pumps promote heat exchanger efficiency.
  • 150 - 1360 MMBTU/hr
  • 1650 - 15,000 GPH
ZIMMER Electric LPG Vaporizer (PDF)
ZIMMER Tank Mounting Kit (PDF)
  • The latest innovation in LPG vaporizers.
  • Simple design, reliable performance, affordable price.
  • No switches, thermostats, floats, or relays.
  • Operates on any voltage.
  • Small, explosion-proof, light-weight, and wall-mountable.
  • Very few parts, low-maintenance.
  • No corrosion, no water to monitor or replace.
  • 1.82 MMBTU/hr, 20 GPH, 40 kg/hr, 0.448 million kcal/hr.
POWER XP Electric LPG Vaporizer (PDF)
  • Energy for vaporization is provided by multiple heating elements cast into a finned aluminum heat exchanger.
  • Heat exchanger temperature and on/off cycles at predetermined temperatures are monitored and regulated by a solid state controller.
  • Options include: remote control box, automatic restart, and economy operation.
  • 1.18 - 7.28 MMBTU/hr
  • 12.5 - 80 GPH
Power Series
POWER Series Vaporizer (PDF)
  • Heater cores are linked in a parallel system to provide large vaporization capacity within an integrated, compact system.
  • Common liquid and vapor manifold provides link for heater core.
  • Independent operation and safety controls provided for each core; isolation valves permit segregation of individual units.
  • Units provide 100% turndown capability and can be maintained in the ready mode.
  • 10.9 - 65.74 MMBTU/hr
  • 120 - 720 GPH
AZEOVAIRE Steam LPG Vaporizer (PDF)
  • Indirect heating is simple and reliable.
  • Liquid LPG enters the vaporizer shell and vaporizes upon contact with the heat exchanger bundle.
  • 15 - 400 MMBTU/hr
  • 160 - 4400 GPH
AZEOVAIRE Hot Water LPG Vaporizer (PDF)
  • Similar in design to the steam heated indirect fired vaporizer, this series operates with hot water as an alternative to steam heating, when plant steam is not available.
  • Hot water is indirectly supplied to vaporizer heat exchanger.
  • 15 - 400 MMBTU/hr
  • 160 - 4400 GPH