HURST EURO SERIES

3-PASS FIRE TUBE DESIGN
Stress Relieving “Wetback” Construction for Extra-Long Life
100 – 2000 BHP
Steam 15-300 PSI

• Boiler is of the three-pass, scotch type, built and stamped in accordance with the requirements of the ASME Code, and listed by the National Board of Boilers and Pressure Vessel Inspectors
• Large combustion chamber with low heat release for complete combustion
• Smoke box is rear-mounted with slip-on stack connector
• Access to fireside is accomplished with hinged and davited front and rear doors. Flame observation ports are located on front and rear
• Openings for vessel cleanout and inspection of waterside are provided with 3” x 4” hand holes, and 12” x 16” manway access
• Insulated with 2” high density mineral wool, lagged with 22 gage grip jacketing, baked on finish to resist chipping and fading
• Firetubes are rolled and beaded on power boilers, expanded and flared on low pressure boilers
• Supports include lifting lugs securely welded to the top of shell; structural steel support legs on skids support the boiler so that special foundations are not required
• Wet Back Design Eliminates Refractory Rear Door & Baffles Between Flue Gas Passes

SERIES 45

3-PASS FIREBOX DESIGN (Low pressure)
Capacities from 8.5 to 813 BHP. 285 to 27215 MBTU/HR

• Thickest boiler steel in the industry
• Efficient 3-Pass Design
• Flexibility – Gas, Oil, Heavy Oil, and Combination Gas/Oil
• ASME Code Constructed & Stamped fro 15 PSI Steam30 Water
• Registered with the National Board of Boiler Inspectors
• Large Furnace Volume for Ultimate Combustion Efficiency
• Unified Refractory Base Floor
• Steel Skids and Lifting Eyes
• Low Heat Release Design
• Factory Insulated – 2″ Mineral Wool
• Factory Jacketed and Painted
• Easy Access to Fireside
• Ample Waterside Cleanout Openings
• Fully Automatic Operation
• U.L. Listed Controls & Trim
• Factory Test-fired
• Front & Rear Flame Observation Ports

SERIES 100

3-PASS FIREBOX DESIGN (Low pressure)
Capacities from 7.4 to 650 BHP. 248 to 21759 MBTU/HR

• Thickest boiler steel in the industry
• Efficient 3-Pass Design
• Flexibility – Gas, Oil, Heavy Oil, and Combination Gas/Oil
• ASME Code Constructed & Stamped for 15 PSI Steam/30 Water
• Registered with the National Board of Boiler Inspectors
• Competitively Priced, Easily Maintained, Designed for Efficiency
• Large Furnace Volume for Ultimate Combustion Efficiency
• Unified Refractory Base Floor
• Steel Skids and Lifting Eyes
• Low Heat Release – 5 Sq. Ft./HP
• Factory Insulated – 2″ Mineral Wool
• Factory Jacketed & Painted
• Easy Access to Fireside Surfaces
• Ample Waterside Cleanout Openings
• Fully Automatic Operation
• UL Listed, Forced Draft Burners
• Wet Back Construction
• UL Listed Controls & Trim
• Factory Test Fired
• Flame Observation Ports Front & Rear

SERIES 300

3-PASS DRY BACK DESIGN
Available in Steam or Hot Water Versions 15 – 800 Bhp Pressures to 300 psig
(15 to 300# steam, 30 to 160# hot water)
Also available in two pass design
Available with Low Nox

• Three Pass Design
• 81% Minimum Efficiency
• Davited Rear Door
• Low Maintenance
• 5 sq. ft. Heating Surface/HP
• Large Combustion Chamber with low heat release for complete combustion
• Rear Smoke Box includes slip-on stack connector and features hinged and davited rear door (40 HP & Larger) with 16″ dia. access door with 2″ observation port (80 Hp & larger)

SERIES 400

3-PASS WET BACK DESIGN
Capacities range from 15 to 2,000 HP and 1,004 to 50,213 MBTU/HR. Available for 15 PSI Steam and 30 PSI Water (60 PSI Water Optional).

• Factory assembled, prewired and tested
• No field assembly required
• UL listed boiler/burner packages
• Fully assembled, prepiped, prewired, pressure tested gas trains
• Complies with ASME, UL, CSD-1 and ASHRAE standards
• High efficiency, low stack temperatures

SERIES 500

4-PASS WET BACK DESIGN

• Factory assembled, prewired and tested
• No field assembly required
• UL listed boiler/burner packages
• Fully assembled, prepiped, prewired, pressure tested gas trains
• Complies with ASME, UL, CSD-1 and ASHRAE standards
• High efficiency, low stack temperatures

LPE SERIES

Modified Scotch Marine Boiler Designed to Fit Through a Standard 36″x80″ Door

• Modified Three Pass Scotch Design 20 to 100 HP, 670 to 3,348 MBTU/HR, 15# steam or 30# hot water. Through the door design. Also available with Low Nox
• Most heavily designed and built boiler in its class
• Welded Steel Firetube boiler, the LPE has extra-heavy 12-guage tubes for extended life. All tubes are attached to the tube sheets by rolling and flaring. There are no welded tubes in the LPE
• Thickest Materials used in the industry … Boiler Shell is 5/16″ thick boiler plate 20-40 HP. Twin boiler tube sheets are 1/2″ thick boiler plate. Insulation is 2″ mineral wool and is lagged with 22 gauge boiler jacket. Extra heavy 4″ channel iron boiler skids

4VT Cyclone Hot Water

Four-pass Vertical Tubeless Hot Water Boiler

• 6 to 125 HP, VT – Steam, 15 psi – 200 psi D.P.
• Compact space saving vertical design
• Shock Proof, no tubes to loosen
• Convenient access to “Eye High” burner
• Solid State controls for trouble free operation
• Factory assembled and fully automatic
• UL and ASME CSD – 1
• Simple and inexpensive to install
• Low Water Pressure Drips
• Standard Design pressure of 30 PSI optional to 160 PSI, 250 Degrees F

OXYMISER

Feedwater Deaerators

• Removes carbon dioxide as well as oxygen
• Raises the boiler feedwater temperature, eliminating thermal shock in boilers
• Improves overall boiler room efficiency
• Feedwater pumps are sized for each individual application – assuring total compatibility and optimum operation
• Vessels are ASME Code constructed for 50 psig
• Compact design means smaller boiler room requirements
• Integrated Monitoring and Control Systems are available for all Deaerator and Feedwater options

Call P.C. McKenzie Company for all of your Hurst Boiler Part Needs.