Easco Boiler Corp. | Field Erected & Packaged Quality Steel Boilers A Division of THE A.L. EASTMOND & Sons Corporation
Scotch Marine Boilers
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Item # FPS-150, MODEL FPS - FOUR PASS SCOTCH MARINE BOILER


EASCO Four pass scotch marine design has higher thermal efficiency, up to 3% more efficient than a 3-pass boiler design. EASCO FPS model is wet back fire tube is designed to increase longevity and enhanced durability, has larger steam space and disengaging area. Available in 15psig steam and up to 160psig water design, submersible tank less Domestic Hot water coils are optional.

  • High Efficiency
  • Low Heat Release
  • Low Furnace Pressure
  • 5 Square Feet of Heating Surface per Boiler Horsepower
  • Large Steam Space and Disengaging Area





  • Boiler Rating  · Characteristic Data  · Boiler Dimensions  · Boiler Service Connection Locations  · Boiler Service Connection Sizes

    Boiler Rating

    Horse Power

    150 bhp

    Steam or Hot Water

    5,021 mbh

    Steam, @ 212 F

    5,175 pph

    Natural Gas, @ 1,000 btu/ft3

    6,123 cfh

    Light Oil, @140,000 btu/gal

    43.20 gph

    Heavy Oil, @ 150,000 btu/gal

    40.8 gph


    Characteristic Data

    Heating Surface, Fireside

    750 sf

    Furnace Volume

    53.7 cf

    Furnace Heat Release Rate

    114,055 bcfh

    Steam Disengaging Area

    51 sf

    Steam Space

    39.2 cf

    Water Content, Steam Application

    1,070 gal

    Water Content, Water Application

    1,363 gal

    Shipping/Dry Weight, Approx.

    12,600 lb

    Operating/Wet Weight, Approx.

    24,000 lb


    Boiler Dimensions

    A - Overall Length

    View
    203-1/8 in

    A' - Overall Length w/o Burner

    View
    170-5/8 in

    B - Shell Length

    View
    141-7/8 in

    C - Tube Removal Clearance

    View
    147-7/8 in

    D - Rear Door Swing Clearance

    View
    44-3/4 in

    E - Platform Length

    View
    49-1/2 in

    F - Skid Length

    View
    177-1/8 in

    G - Fr. Saddle Location

    View
    10 in

    H - Distance Between Saddles

    View
    109-5/8 in

    I - Saddle Side Width

    View
    8 in

    J - Overall Width

    View
    89-3/8 in

    J' - Overall Width, w/o Trims

    View
    71-1/8 in

    K-Saddle Front Width

    View
    52 in

    L - Overall Height

    View
    102-1/2 in

    M - Normal Water Line

    View
    65-1/8 in

    N - Boiler Center Height

    View
    45-3/8 in

    0 - Furnace Center Height

    View
    29-3/8 in

    P - Shell Bottom Clearance

    View
    12 in

    Q - Skid Height

    View
    6 in


    Boiler Service Connection Locations

    R - Supply C.L. to Shell Front End

    View
    42 in

    S-Supply Height

    View
    84-3/4 in

    T - Return C.L. to Shell Front End

    View
    100 in

    U - Return Height

    View
    19 in

    V - Flue Outlet C.L. to Shell Front End

    View
    9 in

    W - Flue Outlet Height

    View
    82-3/8 in


    Boiler Service Connection Sizes

    a - Supply, Steam/Hot Water

    View
    8/6 NPS

    b - Flue Outlet

    View
    16 in

    c - Safety Valves

    View
    2-1/2 NPT

    d - Control Header

    View
    1 NPT

    e - Surface Blowdown

    View
    2 NPT

    f - Washout

    View
    2 NPT

    g - Return & FW, Steam/Hot Water

    View
    4/6 NPS

    h - Bottom Blowdown

    View
    2 NPT

    i - Aquastat

    View
    3/4 NPT

    j - Oil Preheater, Optional

    View
    2 NPT

    k - Top inspection/Manhole Access

    View
    12x16 NPT


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     MORE IMAGES 

    ·  Model FPS Drawing 1

    ·  Model FPS Drawing 2


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