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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 # SM4-450  

Item # SM4-450, 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

286 in

B-Shell

202 in

C-Base Frame

232 in

D-Service Platform

40 in

E-Minimum Tube Pull Clearance

208 in

F-Minimum Rear Smoke Box Door Clearance

25 in


Widths

G-Overall

120 in

H-Diameter OD with 2" Insulation

100-7/8 in

l-Base Frame (Package)

72-1/8 in

J-Base Saddle (Field Erect)

76 in

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

18 in

L-Distance Between Saddles (Field Erect)

158 in

M-Saddle (Field Erect)

10 in

N-Front Smoke Box

12-1/8 in


Heights

O-Overall

122-7/8 in

P-Base to Furnace C.L.

42-15/16 in

Q-Base Frame

6 in

R-Base to Boiler C.L.

60-7/16 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

115 in

V-Base to Supply Outlet

114-7/8 in

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

67 in

X-Rear Smoke Box Outlet Center Line

17-1/4 in

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

154 in

Z-Height from Base to Return Connection

22 in


Boiler Service Connection Sizes

a-Supply, Steam/Hot Water

8 in
12
in

b-Flue Gas Vent

28 in

c-Safety Relief Valve(s)

3 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

6 in
8
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.)

36000 lb

Water Content Steam Boiler

2530 gal

Water Content Hot Water Boiler

3316 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

450 hp

Gross Output Steam/Hot Water

15064 mbh

Gross Output Steam, from and at 212 degrees F

15525 lb/hr

Maximum Firing Rate Light Oil, 140 MBH/Gal

135 gph

Maximum Firing Rate Heavy Oil, 150 MBH/Gal

126 gph

Maximum Firing Rate Natural Gas

18830 mbh

Heating Surface Fireside

2250 ft²


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

·  sm4-front-view

·  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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