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Scotch Marine Boilers
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All Categories > SERIES SM4 - LOW PRESSURE STEAM AND HOT WATER SCOTCH MARINE BOILER > Item # SM4-32  

Item # SM4-32, SERIES SM4 - LOW PRESSURE STEAM AND HOT WATER SCOTCH MARINE BOILER


EASCO Series SM4, Steel Scotch Marine, Horizontal Firetube 3-Pass Waterbacked Combustion Systems are manufactured for use in low-pressure steam (15 PSIG) or hot-water (30 to 160 PSIG, maximum 250 degrees F) applications, providing for efficient operation and low cost maintenance.




Lengths  · Widths  · Heights  · Boiler Service Connection Locations  · Boiler Service Connection Sizes  · Specifications  · Ratings & Capacity Data

Lengths

A-Overall

132 in

B-Shell

77 in

C-Base Frame

106 in

D-Service Platform

31 in

E-Minimum Tube Pull Clearance

83 in

F-Minimum Rear Smoke Box Door Clearance

15 in


Widths

G-Overall

69 in

H-Diameter OD with 2" Insulation

49-5/8 in

l-Base Frame (Package)

35-3/16 in

J-Base Saddle (Field Erect)

39 in

K-Distance to C.L. Front Saddle (Field Erect)

9 in

L-Distance Between Saddles (Field Erect)

52 in

M-Saddle (Field Erect)

6 in

N-Front Smoke Box

8 in


Heights

O-Overall

71-5/8 in

P-Base to Furnace C.L.

26-13/16 in

Q-Base Frame

6 in

R-Base to Boiler C.L.

3413/16 in

S-Bottom of Base Frame to Shell (Package)

12 in

T-Bottom of Saddle to Shell (Field Erect)

12 in


Boiler Service Connection Locations

U-Base to Flue Gas Outlet

62-1/16 in

V-Base to Supply Outlet

63-5/8 in

W-Length from Front Tubesheet to Center of Supply Conn.

26 in

X-Rear Smoke Box Outlet Center Line

7 in

Y-Length from Front Tubesheet to Center of Return Conn.

47 in

Z-Height from Base to Return Connection

18 in


Boiler Service Connection Sizes

a-Supply, Steam/Hot Water

3 in
6
in

b-Flue Gas Vent

10 in

c-Safety Relief Valve(s)

2 in

d-Control Header

1-1/4 in

e-Surface Blowdown

2 -1/2 in

f-Washout

2 -1/2 in

g-Feedwater/Return, Steam/Hot Water

3 in

h-Bottom Blowdown

2 in

i-Aquastat

3/4 in

j-Preheater/Blend Pump

2 -1/2 in


Specifications

Shipping Weight Dry Packaged (Approx.)

4850 lb

Water Content Steam Boiler

268 gal

Water Content Hot Water Boiler

314 gal

General Service Access & Fireside Sampling

Manhole
Handhole

Furnace Access Door

Furnace Draft Sample

Flue Gas Outlet Cleanout Access

Furnace Observation Port

Sequence Draft Sample

Combustion Relief Mechanism

Rear Smoke Box Access

Front Smoke Box Access


Ratings & Capacity Data

Gross Output Boiler Horsepower

32 hp

Gross Output Steam/Hot Water

1072 mbh

Gross Output Steam, from and at 212 degrees F

1104 lb/hr

Maximum Firing Rate Light Oil, 140 MBH/Gal

9.6 gph

Maximum Firing Rate Heavy Oil, 150 MBH/Gal

9 gph

Maximum Firing Rate Natural Gas

1339 mbh

Heating Surface Fireside

160 ft²


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·  sm4-field-erect-saddle--right-elevation

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·  sm4-ordering-nomenclature

·  sm4-packaged-Boiler-assembly--right-elevation

·  sm4-rear-view

·  Series SM4 - Low Pressure Steam and Hot Water Scotch Marine Boiler Order Nomenclature Drawing


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