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All Categories > SERIES SM4 - LOW PRESSURE STEAM AND HOT WATER SCOTCH MARINE BOILER > Item # SM4-500  

Item # SM4-500, 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

263 in

B-Shell

176 in

C-Base Frame

203 in

D-Service Platform

40 in

E-Minimum Tube Pull Clearance

182 in

F-Minimum Rear Smoke Box Door Clearance

30 in


Widths

G-Overall

140 in

H-Diameter OD with 2" Insulation

120-7/8 in

l-Base Frame (Package)

89-1/2 in

J-Base Saddle (Field Erect)

94 in

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

18 in

L-Distance Between Saddles (Field Erect)

128 in

M-Saddle (Field Erect)

12 in

N-Front Smoke Box

14-1/8 in


Heights

O-Overall

142-7/8 in

P-Base to Furnace C.L.

46-7/16 in

Q-Base Frame

6 in

R-Base to Boiler C.L.

70-7/16 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

132-1/4 in

V-Base to Supply Outlet

134-7/8 in

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

59 in

X-Rear Smoke Box Outlet Center Line

18-3/4 in

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

116 in

Z-Height from Base to Return Connection

24-7/8 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 in

f-Washout

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 in


Specifications

Shipping Weight Dry Packaged (Approx.)

40785 lb

Water Content Steam Boiler

3223 gal

Water Content Hot Water Boiler

4464 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

500 hp

Gross Output Steam/Hot Water

16738 mbh

Gross Output Steam, from and at 212 degrees F

17250 lb/hr

Maximum Firing Rate Light Oil, 140 MBH/Gal

150 gph

Maximum Firing Rate Heavy Oil, 150 MBH/Gal

140 gph

Maximum Firing Rate Natural Gas

20923 mbh

Heating Surface Fireside

2500 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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