S.S. DS 150-480 Electric Steam Generators

S.S. DS-240 (H) 240 Kilowatt (kW) Double Stack High Pressure 316L Stainless Steel Electric Steam Generator

Dimensions

Length	64 in
Width	38 in
Height	63 in

Minimum Clearance

Total Length	125 in
Total Width	60 in
Total Height	70 in

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Terms and Conditions

Industry Standards

American Society of Mechanical Engineers (ASME) - Boiler and Pressure Vessel Code
American Society of Mechanical Engineers (ASME) - CSD-1
Canadian Underwriters Laboratories (cUL)
Underwriters Laboratories (UL)

Standard Features

ASME Certified	High Pressure Safety Reset
UL Listed and labeled under UL 834	Dual Pressure Controls (UL 353)
Low Level Cut-Off (LLCO) (UL 353)	Safety Relief Valve possessing the ASME V Mark
Single Service Transformer	316L Stainless Steel on all Wetted Surfaces

Recommended Options (Non-Standard)

Spare Parts Package

5-Micron Water Filter

Specifications

Brands	Electro-Steam™
Electrical Power	240 kW (60 kW per Box) (4 Boxes)
Alternating Current (AC) Voltage¹	208 V, 230 V, 360 V, 400 V, 480 V, 600 V
Phase	3
Frequency	50 Hz, 60 Hz
Boiler Horse Power	24 bhp (12 bhp per Boiler)
Steam Capacity²	828.0 lb/hr (374.4 kg/hr)
Average Water Consumption³	99.22 gal/hr (374.4 L/hr)
Gross British Thermal Units (BTU) Output⁴	803,328 Btu/hr
Maximum Boiler Pressure	100 psi
Operating Pressure	0 to 80 psi
Note for Operating Pressure	Factory Set at 80 psi
Maximum Boiler Capacity	53 gal
Note for Maximum Boiler Capacity	26.5 Gallons per Boiler
Boiler Fill Capacity	44 gal
Note for Boiler Fill Capacity	22.0 Gallons per Boiler
Boiler Material⁵	316L Stainless Steel
Cabinet Material	316L Stainless Steel
Plumbing Material⁶	316L Stainless Steel

Amperage by Voltage (3Ø Phase)

208 VAC	230 VAC	360 VAC	400 VAC	480 VAC	600 VAC
666.2 Amps (166.5 Amps per Box) (4 Boxes)	628.6 Amps (157.2 Amps per Box) (4 Boxes)	405.7 Amps (101.4 Amps per Box) (4 Boxes)	362.3 Amps (90.59 Amps per Box) (4 Boxes)	288.7 Amps (72.17 Amps per Box) (4 Boxes)	230.9 Amps (57.74 Amps per Box) (4 Boxes)

Plumbing Connection Sizes

Water Inlet (Shared)	1/2" NPT (Female) - Y-Strainer, Brass
Steam Outlet (Shared)	6" Flange (150 psi, 4-Hole) - 2-1/2" pipe connection
Safety Valves (x2)(Separate)	1-1/4" NPT (Male) (x2) - Two Black Pipes routed to the floor; one from each Safety Valve.
Drain (Shared)	1" NPT (Female) - Elbow, Brass
Steam Trap (Not Included)	3/4" NPT (Female) - Threaded connection on the bottom of the 2-1/2" shared Steam Outlet pipe.

Included Options

Single Service Transformer⁷	Two of these options are supplied standard in all double stack steam generators; the Transformer steps down the primary high voltage supplied for the heaters, in order to provide 120VAC 1Ø for the controls; with this option, only the two (2) primary high voltage supplies are required.
Manual Low Water Reset⁸	Manual Low Water Reset trips if the electric heaters shut-off because of a low water condition. Reset must be manually pressed to resume steam production.
Water Feed Booster Pump	Two Water Feed Booster Pumps are supplied standard in all high-pressure double stack steam generators. Each Water Feed Booster Pump increases the incoming water pressure to overcome the operating pressure of each steam generator. Each Booster Pump requires a 5-150 psi water supply with a minimum flow rate of 3 gpm (At least 6 gpm is required for both)

Options

Spare Parts Package Includes	18-Month Warranty (12-Month Standard) (2) Electric Heaters & (2) Heater Gaskets (2) Sight Glass Tubes & (4) Washers (1) Pressure Control (1) Contactor
5-Micron Water Filter	2-stage, 5-micron water filter installed into incoming water line to reduce sediment, dirt, rust, chlorine, and even odor from incoming water supply.

¹ Electro-Steam™ Double Stack electric steam generators are two (2) electric steam boilers stacked inside one (1) cabinet. They are plumbed together, but not wired together. Double Stack steam generators require two (2) or four (4) customer specific high voltage feeds, one (1) per Electrical Box - 150 kW models have two (2) Electrical Boxes to feed and 200 to 480 kW models have four (4).
² Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
³ Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
⁴ Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
⁵ Wetted Surfaces.
⁶ Wetted Surfaces.
⁷ Two (2) Single Service Transformer options are included with each double stack electric steam generator. These options provide 120 VAC 1Ø, 50/60 Hz for each boiler's controls.
⁸ A Manual Low Water Reset Button is supplied standard with every steam generator, but it is disabled. If this Reset Button is required as per your local boiler codes, simply plug the two attached wires into the PC-Board terminals labeled "Reset"

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