CleaverBrooks Model 4 User Manual

Model 4
1500 - 6000 MBTU/hr
Rev. 03-08
Section B2-4
PRODUCT OFFERING
The Model 4 (M4) Boiler is a compact carbon steel, extended fin, watertube boiler.
Heat transfer design is
configured in a "3-pass" gas travel across the watertube
surfaces. The pressure vessel is constructed to conform to the A.S.M.E. Code, either
Section IV for low pressure steam @ 15 PSIG MAWP (maximum allowable working
pressure) or Section I for MAWP greater than 15 PSIG.
The vessel (boiler) consists of two rows on each side of the vessel, of formed
seamless tubes with extended fin surfaces and downcomers connected to the steam
drum and lower drum. To reduce standby losses, the
vessel is insulated with a
fiberglass blanket and removable steel jacket.
Complete with an integral burner for either No.2 fuel oil or Natural Gas, the
complete burner/boiler package is UL Approved, listed, and labeled.
Standard Equipment The standard boiler/burner package is described below. Optional controls, trim, and
devices may be added to meet project requirements. Some of those options are
noted following this standards li st.
1. Boiler
A. Designed, constructed, and hydrostatically tested in accordance with the
A.S.M.E. Boiler and
Pressure Vessel Code. The complete vessel is mounted on a
structural steel frame.
B. Steam drum includes a hand hole in the rear head for drum water side
inspection.
Connections are included for the following:
• Feedwater Makeup w/internal dispersion tube.
• Surface Blowoff.
• Steam Supply.
• Safety Relief Valve.
C. Lower Drum includes hand holes at each end for waterside inspection. A drain/
blowoff tapping is
provided at the front, bottom
centerline.
D. Soot washer lances are provided on each side of the
vessel between the two
rows of
tubes for fireside cleaning. Soot washer drains are located at the bottom of
the boiler, with
connections to drain located on each side of the lower drum at the
rear.
E.
Refractory is limited to the furnace floor, lower drum, and burner throat tile.
High temperature insulation is installed on the front water wall and furnace access
door.
F. Two lifting
eyes are provided on the top centerline of the upper drum for ease of
installation.
G.
Furnace inspection/access door is provided in the furnace front wall.
H. The
exhaust gas vent is located at the top rear centerline of the boiler. A stack
thermometer is shipped loose for field installation by the installing contractor into
the stack.
I. The
complete vessel is fully insulated (2" fiberglass blanket) under a preformed,
sectional steel jacket.

CleaverBrooks Model 4 Specifications

General

Brand	CleaverBrooks
Model	Model 4
Category	Boiler
Language	English