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
  kcal x 106 8.3 9.5 10.6 11.8
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).
European CE Approval including PED, ATEX, and all other applicable  Directives.
Standard Safety Features

Agency-approved Safety Controller elevates  Safety Level to
"Performance Level 4" (SIL 3)

         
  • Agency-approved Safety Controller
  • Electronic Flame Safeguard: Honeywell  7800 Series.
  •      
  • Low Burner Fuel Gas Pressure Safety: Safe  Input from Safety Controller 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 Controller to Flame Safe Guard Interlock; PLC Input  with Status Indication at Operator Interface; Alarm History.
  • Low Water Level Cutoff: Safe Input from  Safety Controller to Flame Safe Guard Interlock; PLC Input with Status  Indication at Operator Interface; Alarm History.
  •      
  • High Water Bath Temperature Limit: Safe  Input from Safety Controller to Flame Safe Guard Interlock; PLC Input  with Status Indication at Operator Interface; Alarm History.
  • GasLeak Monitor in Control Room: 40% LEL  Alarm connected to Safety Controller; PLC Input with Status Indication  at Operator Interface; Alarm History.
  •      
  • GasLeak Monitor in Control Room: Sensor  Trouble Alarm connected to Safety Controller; PLC Input with Status  Indication at Operator Interface; Alarm History.
  • Dual E-Stop Circuits: connected to  Safety Controller; PLC Input with Status Indication at Operator  Interface; Alarm History.
  • "Smart" Liquid Carryover Protection:  “Smartâ€; 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 (DN25 PN40 DIN  Flange)
Liquid Inlet Valve 250 psi Flanged Solenoid Valve; with Check Valve  Bypass;
Globe Valve for Manual Shutoff.
Vapor Outlet

2" 300# Raised Face ANSI  Flange (DN50 PN40 DIN Flange)

PLC and Electronic Operator Interface
  • Standard: Siemens S7-1200 PLC with  Ethernet Interface; high-resolution Color LCD Touch Screen (800x480);  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 access  (monitoring and control) via Ethernet port; unlimited license for VNC  client included.
  • Optional: Allen-Bradley MicroLogix-1100  PLC with Ethernet Interface; high-resolution Color LCD Touch Screen  (800x480); 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  access (monitoring and control) via Ethernet port; unlimited license for  VNC client included.
  • PLC Options:
    Siemens S7-200
    Siemens S7-300
    Allen-Bradley SLC
    Allen-Bradley CompactLogix
    GE 90-30
    Bristol ControlWave Micro
  • Operator Interface Options:
    Siemens Touch, 6-inch (320x240) with integrated Web Server
    Siemens Touch, 8-inch (640x480) with integrated Web Server
    Siemens Touch, 10-inch (640x480) with integrated Web Server
    Allen-Bradley, 6-inch PanelView-Plus (320x240)
    Allen-Bradley, 7-inch PanelView-Plus (640x480) 
    Allen-Bradley, 10-inch PanelView-Plus (640x480)
Electrical Requirement

110/220VAC 50/60Hz; 15A  Circuit; 1-Phase;
galvanically isolating step-up/step-down 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.
Third-party examination by TÃœV Rheinland.
Design Criteria, LPG Heat Exchanger Designed and manufactured in compliance with  Boiler and Pressure Vessel Code Section VIII, Division 1. ASME “Uâ€-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) Channel 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 rear wall.
Mechanical Construction,
Bath Box Cover
16-gauge (1.5mm) Sheet Metal, pre-formed,  powder-coated (beige RAL 1015).
Mechanical Construction,
Control Room
16-gauge (1.5mm) Sheet Metal, pre-formed,  powder-coated (beige RAL 1015); lockable double-door; window insert.
Mechanical Construction,
Dimensions

Overall: 48" (W) x 132" (L) x 112" (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 2.85m (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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