Alternate Energy Systems, Inc.
LPG Vaporizers - LP/Air Blenders - Gas/Gas Blenders - NatGas Backup Systems - PeakShaving Systems
Specification Sheet
WB-358, WB-408, WB-458, WB-508
Horizontal Water Bath Vaporizer
Type Horizontal Water Bath LPG Vaporizer
Model Number WB-358 WB-408 WB-458 WB-508
Capacity gph 358 408 458 508
  kg/h 687 783 879 975
  MMBTU/h 32.9 37.5 42.1 46.8
  kW 9600 11000 12300 13700
Water Tank Capacity  

165 Gallons (0.625 m3)  to Fill Plug

Burner Type  

European-style compact Forced  Draft Power Burner;
integrated blower; DUNGS Main Gas Valve with PoC;
Honeywell Aquastat for Burner ON/OFF Control.

Burner Capacity MMBTU/h 0.430 0.490 0.550 0.610
  kW 126 144 161 179
Design Temperature 650 °F (343 °C)
Design Pressure 250 PSIG (17.2 bar)
Manufactured Construction Vaporizing Tube Conforms to ASME Boiler &  Pressure Vessel Code, Section VIII, Division I. Conforms to latest edition  of NFPA #58. 
Power type Burner; Electronic Flame Safeguard; Electronic System Controls  with Siemens or Allen-Bradley PLC and Operator Interface with color LCD  display and touch screen. First-Outage Monitor (Alarm History with date and  time stamp) and graphic trend recording.
Approvals Factory Mutual (FM) or Industrial Risk Insurers  (IRI).
Optional European CE Approval including PED, ATEX, and all other applicable  Directives.
Standard Safety Features

 

         
  • Agency-approved Safety PLC or stand-alone Safety Controller

  • Electronic Flame Safeguard: Honeywell 7800 Series

  • Low Burner Fuel Gas Pressure Safety: Safe Input from Safety PLC to Flame Safe Guard Interlock; PLC Input with Status Indication at Operator Interface; Alarm History.

  • High Burner Fuel Gas Pressure Safety: Safe  Input from Safety PLC to Flame Safe Guard Interlock; PLC Input with Status Indication at Operator Interface; Alarm History.

  • Low Water Level Cutoff: Safe Input from Safety PLC to Flame Safe Guard Interlock; PLC Input with Status Indication at Operator Interface; Alarm History.
         
  • High Water Bath Temperature Limit: Safe Input from Safety PLC to Flame Safe Guard Interlock; PLC Input with Status Indication at Operator Interface; Alarm History.

  • Optional GasLeak Monitor in Control Room: 40% LEL Alarm connected to Safety PLC with Status Indication at Operator Interface; Alarm History.
         
  • Optional GasLeak Monitor in Control Room: Sensor Trouble Alarm connected to Safety PLC with Status  Indication at Operator Interface; Alarm History.

  • Dual E-Stop Circuits: connected to Safety PLC with Status Indication at Operator Interface; Alarm History.

  • "Smart" Liquid Carryover Protection: Pressure and Temperature transmitter in Vapor Outlet;  selectable LPG Type; adjustable Safety Margin; Alarm History.
        
  • Relief Valve Protection for Vaporizer Coil

  • Relief Valve Protection for Burner Gas  Train
Liquid Inlet Connection 1" 300# Raised Face ANSI Flange (Optional DN25 PN40 DIN  Flange)
Liquid Inlet Valve 250 psi Flanged Direct-Acting Solenoid Valve; with Check Valve Bypass; Globe Valve for Manual Shutoff.
Vapor Outlet 2" 300# Raised Face ANSI Flange (Optional DN50 PN40 DIN Flange)
PLC and Electronic Operator Interface
  • Standard: Siemens S7-1200F Safety PLC with Ethernet Interface; high-resolution Color LCD Touch Screen (9", 1024x768);  Ethernet Interface; 96-hr Trend Recording; 2 years of Trend Data are recorded on standard SD card and can be retrieved for processing in Microsoft Excel format; built-in VNC server for remote monitoring and control via Ethernet port; unlimited license for VNC client included.

  • Optional: Allen-Bradley MicroLogix-1400  PLC with Ethernet Interface; high-resolution Color LCD Touch Screen (9", 1024x768); Ethernet Interface; 96-hr Trend Recording; 2 years of Trend  Data are recorded on standard SD card and can be retrieved for  processing in Microsoft Excel format; built-in VNC server for remote monitoring and control via Ethernet port; unlimited license for  VNC client included.

  • PLC Options: 
    Siemens S7-1500
    Allen-Bradley CompactLogix
    GE 90-30 or RX3i
    Others Available Upon Request

  • Operator Interface Options:
    12-inch (1024x768)
    15-inch (1024x768)
Electrical Requirement

220/230VAC 50/60Hz; 15A  Circuit; 1-Phase;
galvanically isolating control transformer included.

Circuit Protection Automatic Circuit Breakers with  Manual Reset for all AC and DC Circuits; Main Breaker/Disconnect.
Design Criteria, Vaporizer Designed and manufactured to comply with the  latest edition of NFPA Pamphlet 58; FM approved. European CE Mark available.
Design Criteria, LPG Heat Exchanger Designed and manufactured in compliance with ASME Boiler and Pressure Vessel Code Section VIII, Division 1. ASME U-Stamp  available.
CE-marked vaporizers comply with European PED.
Design Criteria, Control Panel General-purpose wiring, compliant with National  Electric Code (NEC; NFPA #70). UL-508A available. CE-marked vaporizers comply with all applicable European Directives.
Mechanical Construction,
Skid Base
1/4-inch (6.35mm) Steel Deck Plate on all-welded 4-inch (100mm) Tubular Frame with Cross-Members; Lifting Lugs; mechanically  cleaned, primed, and painted (dark-gray, RAL 7043).
Mechanical Construction,
Bath Box
1/4-inch (6.35mm) all-welded steel walls with  internal stiffeners and supports for LPG Heat Exchanger.
Mechanical Construction,
Water Circulating Pump
Wet-Cartridge Type Hot-Water Circulator installed inside Vaporizer Control Room. Diffuser in Water Bath.
Mechanical Construction,
Insulation
Mineral Fiber insulation with Aluminum backing  on side walls, top plate, and front and rear wall.
Mechanical Construction,
Bath Box Cover
16-gauge (1.5mm) Sheet Metal, pre-formed,  powder-coated (beige RAL 7038).
Mechanical Construction,
Control Room
16-gauge (1.5mm) Sheet Metal, pre-formed, powder-coated (beige RAL 7038); lockable double-door; louvers, window insert.
Mechanical Construction,
Dimensions

Overall: 48" (W) x 132" (L) x 110" (H)
Control Room: 48" (W) x 48" (L) x 82"(H)
Shipping Height: 86" (removable exhaust)

Mechanical Construction,
Dimensions

Overall: 1.22m (W) x 3.35m (L) x 2.79m (H)
Control Room 1.22m (W) x 1.22m (L) x 2.08m (H)
Shipping Height: 2.18m (removable exhaust)

Mechanical Construction,
Shipping Weight

3700 lbs
1700 kg

Catalog Drawing Click here  for Catalog Drawing (excerpt from Page 6 of Brochure)

 

 

 
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