High Capacity Horizontal Steam Boiler

CHS

High Capacity Horizontal Steam Boiler

Steam Pressures to 135 psig
Steam Capacity (452 - 4,882 Lbs/Hr @ 0 - 135 psig)
150 - 1,620 kW (512 - 5,527 Mbh)
208, 240 and 480 Volt, 1 & 3 Phase (600V Available)
ASME Section I Pressure Vessel Carbon Steel Code “S” (150 psig) (CRN Available)
0.475 Dia. Copper Sheath Heating Elements
Two or Three Operating Controls with Contactor Panels (150 - 300 kW)
Proportional Operating Control with Sequencer and Contactor Panels (above 300 kW)
Manual Reset High Limit Control with Stop at 90% of Safety Valve Setting
Mechanical Float Water Feed Control with Low Water Cutoff
Auxiliary Low Water Cutoff (Solid State) Control
Pressure Gauge, Water Level Sight Glass and Double Blow Down Drain Valves
ASME Safety Relief Valve (Two on Boilers Over 1,100 kW)
Third-party certifications: UL® Listed, S, CSA®

CHS High Capacity Steam Boilers are uniquely designed for larger commercial applications, laboratories, hospitals and industrial plants. CHS boilers are ideal for stand-by operations requiring high pressure steam in remote areas of an industrial plant which might incur excessive pipe losses or expensive piping costs to supply from a central steam supply. CHS boilers are particularly suited for use in off season periods when steam is needed for critical processes or humidification and the main boiler is shut down.

CHS Stock Boilers are Trimmed at 150 psig for operation up to 135 psig corresponding to 353°F. They are also available with 15, 30, 50 and 100 psig trim. All catalog CHS boilers are UL Listed.

Water Feed (Pump) Control and Low Water Cutoff (McDonnell Miller #157) automatically maintains correct water level and shuts off the boiler when the water level in the boiler drops below safe limits.

Water Level Sight Glass allows for constant visual observation of the water level in the boiler during operation.

Auxiliary Low Water Cutoff — Solid state control board with low voltage probe provides backup protection for low water level in the boiler.

Steam Pressure Gauge with a range to 250 psig provided for visual indication of steam pressure.

Long Life Heating Elements — Conservatively rated flange mounted 0.475” dia. copper sheath heating elements provide uniform water circulation and long life.

Full Port Blow Down Drain Valves — Two heavy duty gate or ball valves connected in series for high pressure are supplied for boiler blow down.

Integral Electrical Controls and Power Panels with fuses and contactors mounted in heavy gauge control cabinet(s) with hinged doors and captive fasteners.

Control Circuits are 120V/1/60 Hz (Standard) — 220V/1/50 Hz control circuits are available for export boilers. Transformers are optional.

Manual On-Off Switch allows boiler control and power circuits to be shut down locally.

Pilot Light visually indicates when boiler control circuit is energized and the boiler is operating.

Fiberglas® Insulation material around the entire pressure vessel minimizes heat loss and helps reduce energy costs.

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