OVERVIEW
Williams & Davis 150HP Steam Boiler w/Ancillary Equipment. Model: 3100D-150S, Electrical: 480V, Year: 2017, Manufacturer: Williams & Davis Boilers. Williams & Davis Model 3100D-150S packaged steam boiler system with 150 boiler horsepower capacity removed from operating facility. This commercial-grade firetube boiler features 5,175,000 BTU/hour input (5.2 MMBtu) with dual fuel capability. Three-pass wetback scotch marine design with 70.2 inches diameter x 116.375 inches length tube bundle. 480V 3-phase electrical with 240V controls and motors. Manufactured 2017 by Williams & Davis Boilers (Hutchins, Texas USA). Complete system includes boiler, control panel, feedwater system, deaerator tank, blowdown separator, condensate receiver, and all ancillary equipment for turnkey operation. Ideal for hospitals, manufacturing facilities, institutional buildings, laundries, food processing, or any commercial/industrial application requiring reliable steam generation.
EQUIPMENT SPECIFICATIONS
Boiler Model Information:
Manufacturer: Williams & Davis Boilers
Model Number: 3100D-150S
Serial Number: 105560
Year Built: 2017
Boiler Horsepower: 150 HP
BTU Input: 5,175,000 BTU/hour (5.2 MMBtu)
Configuration: Three-pass wetback scotch marine firetube
Performance Ratings:
Boiler Horsepower: 150 HP (nominal)
BTU Input: 5,175,000 BTU/hour @ 1000 altitude
Steam Output: Approximately 5,175 lb/hr @ 212°F (150 BHP)
Fuel Capability: Dual fuel (gas/oil capable based on design)
Efficiency: High efficiency three-pass design
Design: Scotch marine firetube
Tube Bundle Specifications:
Tube Number, Diameter & Length: 70.2 x 116.375
Configuration: Three-pass wetback
Construction: Carbon steel tubes
Design: Wetback reversing chamber
Electrical Specifications:
Primary Voltage: 480V
Control Voltage: 120V/1/60Hz (6.5 Amps)
Motor 1: 240V/3/60Hz (7.2 Amps, HP not specified)
Motor 2: 240V/3/60Hz (7.2 Amps, 1.0 HP)
Motor 3: 240V/3/60Hz (HP not specified)
Motor 4: (Not specified on visible nameplate)
Total Amps: 14.9 Amps
Configuration: Multiple motors for feedwater, combustion air
Burner & Controls:
Burner: Likely dual fuel capable
Controls: Modern PLC-based control system
Control Panel: Floor-mounted with digital display
Safety Controls: Flame safeguard, low water cutoff, pressure controls
Operating Controls: Modulating or on/off firing
Indicators: Multiple LED status lights
Ancillary Equipment Included:
Feedwater pump skid with pumps
Deaerator/feedwater tank (horizontal)
Blowdown separator vessel
Condensate receiver tank
Water softener control panel
Chemical feed system
Complete piping and valves
Control wiring and panels
Pressure gauges and instrumentation
KEY FEATURES & BENEFITS
Williams & Davis Quality:
Leading USA boiler manufacturer
Modern 2017 manufacture
Three-pass scotch marine design
Wetback construction for efficiency
Compact packaged design
Commercial-grade construction
Factory tested and certified
Professional installation quality
High Efficiency Design:
Three-pass firetube configuration
Wetback reversing chamber design
Optimized heat transfer
Reduced fuel consumption
Lower operating costs
Fast steam generation
Excellent turndown capability
Modern combustion controls
Complete Turnkey System:
Boiler with burner installed
Feedwater pump system
Deaerator/feedwater storage
Blowdown separator
Condensate receiver
Water treatment controls
All interconnecting piping
Control panels and wiring
Ready for connection and startup
Operational Benefits:
150 HP steam capacity
5.2 MMBtu input rating
Dual fuel capability
Compact footprint
Modern PLC controls
Easy operation and monitoring
Reliable performance
Low maintenance requirements
Safety & Controls:
Modern flame safeguard system
Low water cutoff protection
High pressure limit controls
Multiple safety interlocks
Audible and visual alarms
Digital control interface
Proven safety systems
Code-compliant installation
SYSTEM COMPONENTS
Main Boiler:
Williams & Davis 3100D-150S
150 HP capacity
Three-pass wetback scotch marine
Complete with burner assembly
Insulated jacket
All trim and controls
Feedwater System:
Feedwater pump skid
Multiple pumps for redundancy
Pressure controls
Flow monitoring
Piping and valves
Automatic operation
Deaeration Equipment:
Horizontal deaerator/storage tank
Oxygen removal capability
Feedwater heating
Storage capacity
Pressure controls
Vent system
Blowdown System:
Blowdown separator vessel
Heat recovery
Safe discharge
Level controls
Piping and valves
Water Treatment:
Water softener controls
Chemical feed system
Treatment monitoring
Conductivity controls
Dosing equipment
Control Systems:
Main boiler PLC controls
Feedwater control panel
Water treatment controls
Safety interlocks
Status indicators
Digital displays
SPECIFICATIONS SUMMARY
Boiler:
Manufacturer: Williams & Davis Boilers
Model: 3100D-150S
Serial: 105560
Year: 2017
Capacity: 150 HP
BTU Input: 5,175,000 BTU/hr
Type: Three-pass wetback scotch marine
Tube Bundle: 70.2 x 116.375
Origin: USA (Hutchins, Texas)
Electrical:
Primary: 480V
Controls: 120V/1/60Hz, 6.5A
Motor 1: 240V/3/60Hz, 7.2A
Motor 2: 240V/3/60Hz, 7.2A, 1.0 HP
Motor 3: 240V/3/60Hz
Total Amps: 14.9A
System:
Boiler with burner
Feedwater pump skid
Deaerator/storage tank
Blowdown separator
Condensate receiver
Water treatment controls
Complete piping and controls
Physical:
Configuration: Packaged boiler system
Design: Horizontal firetube
Construction: Carbon steel
Insulation: Factory insulated jacket
Mounting: Skid-mounted
ADDITIONAL INFORMATION
Condition: Used - 2017 Manufacture
Manufacturer: Williams & Davis Boilers
Location: Hutchins, Texas USA
Model: 3100D-150S
Serial Number: 105560
Year Built: 2017
Boiler Horsepower: 150 HP
BTU Input: 5,175,000 BTU/hour
Tube Bundle: 70.2 inches diameter x 116.375 inches length
Design: Three-pass wetback scotch marine firetube
Primary Voltage: 480V
Control Voltage: 120V/1/60Hz
Motor Voltage: 240V/3/60Hz
Configuration: Complete packaged system with ancillary equipment
Included Equipment: Boiler, feedwater system, deaerator, blowdown separator, condensate receiver, water treatment, controls
Estimated System Weight: 15,000-20,000 lbs (complete system)
Estimated Boiler Weight: 8,000-10,000 lbs (boiler only)
* Manufacturer: Williams & Davis Boilers
* Model Number: 3100D-150S
* Serial Number: 105560
* Year Built: 2017
* Boiler Horsepower: 150 HP
