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All Categories > SERIES SM4 - LOW PRESSURE STEAM AND HOT WATER SCOTCH MARINE BOILER > Item # SM4-50  

Item # SM4-50, 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

143 in

B-Shell

87 in

C-Base Frame

115 in

D-Service Platform

31 in

E-Minimum Tube Pull Clearance

93 in

F-Minimum Rear Smoke Box Door Clearance

15 in


Widths

G-Overall

78 in

H-Diameter OD with 2" Insulation

58-5/8 in

l-Base Frame (Package)

41-3/16 in

J-Base Saddle (Field Erect)

45 in

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

9 in

L-Distance Between Saddles (Field Erect)

60 in

M-Saddle (Field Erect)

7 in

N-Front Smoke Box

8 in


Heights

O-Overall

80-5/8 in

P-Base to Furnace C.L.

29-3/16 in

Q-Base Frame

6 in

R-Base to Boiler C.L.

39-5/16 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

71-7/16 in

V-Base to Supply Outlet

72-5/8 in

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

29 in

X-Rear Smoke Box Outlet Center Line

7-3/4 in

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

51 in

Z-Height from Base to Return Connection

19-5/16 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 in

f-Washout

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 in


Specifications

Shipping Weight Dry Packaged (Approx.)

7385 lb

Water Content Steam Boiler

424 gal

Water Content Hot Water Boiler

495 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

50 hp

Gross Output Steam/Hot Water

1674 mbh

Gross Output Steam, from and at 212 degrees F

1725 lb/hr

Maximum Firing Rate Light Oil, 140 MBH/Gal

15 gph

Maximum Firing Rate Heavy Oil, 150 MBH/Gal

14 gph

Maximum Firing Rate Natural Gas

2093 mbh

Heating Surface Fireside

250 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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