Hubbell Water Heaters -Model EMV Commercial Electric Water Heater

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The Hubbell Model EMV water heater is a packaged system designed to meet the requirements of ANSI/ISEA Z358.1-2014 for tepid water delivery to an emergency drench system.

Category: commercial water heaters | process heaters | tepid water heaters...

MasterFormat: Plumbing Equipment | Light-Commercial Electric Domestic Water Heaters



Hubbell Water Heaters
45 Seymour Street
P.O. Box 288
Stratford, CT 06615
Tel: (203) 378-2659
Fax: (203) 378-3593

info@hubbellheaters.com

http://www.hubbellheaters.com/

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Overview


Model EMV Commercial Electric Water Heater

The Hubbell Model EMV water heater is a packaged system designed to meet the requirements of ANSI/ISEA Z358.1-2014 for tepid water delivery to an emergency drench system. This heavy duty water heater is constructed of a carbon steel tank and internally lined with 1/2" thick Hydrastone cement to ensure tank longevity when operating at elevated temperatures, and is fully insulated with 3" thick polyurethane foam to minimize stand-by heat loss.
The water heater is packaged with a mixing valve specifically designed, tested and proven for use in emergency safety shower/face/eyewash applications. The entire package including the mixing valve is factory piped and mounted to the water heater to provide single source responsibility.

When you specify and install a Hubbell Model EMV, you will have the confidence in knowing that the owner will be provided with a long lasting, safe and dependable source of tepid water for their emergency drench system needs.


Heavy Duty Construction
  • Hydrastone cement lining provides tank longevity
  • Copper-silicon alloy tappings cannot rust or corrode
  • High impact composite jacket cannot rust or corrode and eliminates potential damage during installation and transit
  • 3" thick polyurethane foam insulation reduces standby heat loss by over 24% compared to industry standard 2" insulated tanks
Packaged System
  • Factory packaged and piped mixing valve simplifies installation and ensures the safe and reliable supply of tepid water
  • All electrical operating controls are factory selected and wired to ensure reliable operation
  • Dial gauge provides visual indication of water temperature and pressure
Safety
  • Mixing valve designed specifically for emergency drench systems ensures a constant flow of tepid water
  • Mixing valve prohibits delivery of overheated water to prevent scalding
  • Provides tepid water even when an accident causes a loss of electric power
  • Reduces the risk of Legionella because water is stored at an elevated temperature
Reliable
  • Full five (5) year non pro-rated tank warranty
  • Each valve is performance tested at the factory to ensure proper operation

Mixing Valve
Operational Features

Packaged with the Hubbell model EMV is a triple redundant, thermostatic pressure balanced valve designed specifically for emergency safety shower/face/eyewash applications. The valve is factory mounted and piped to the water heater. After water flow is activated at the emergency station, the outletwater temperature from the model EMV package will be maintained at 85°F tepid temperature. The Hubbell EMV is able to achieve the high volume demand required for a safety drench system by mixing the 170°F water in the tank with incoming cold water. The mixing valve meets OSHA and ANSI requirements and is capable of providing constant 85°F output regardless of inlet pressure and temperature variations, and the temperature setting is tamper proof and cannot be inadvertently adjusted in the field. The water temperature is not warm enough to open skin pores and not cold enough to deter usage. The valve is capable of providing a full range of flows from the smallest flow of 0.4 GPM for an eyewash to the combined 23 GPM flow for a simultaneous demand of shower, eyewash, and face wash system.

Safety Features

The mixing valve incorporates a pressure sensing controller with a valve actuator that senses the water pressure on both the hot and cold water inlet connections. If hot water pressure is not present then the actuator overrides the mixing valve and a flow of cold water is allowed. If no cold-water pressure is available at the mixing valve inlet then the hot water port will close to prevent overheated water from exiting the mixing valve. The valve also includes a safety override feature that continuously senses the final mixed water temperature. If the final water temperature is overheated, the valve automatically closes the hot water port and fully opens the cold water port. In any of these fault conditions, the Hubbell EMV valve will continue to provide a full flow of water as per the ANSI standard with no additional pressure drop.

Safety Standards

OSHA 29 CFR 1910.151 states the following:
When the eyes or body of any person may be exposed to injurious corrosive, toxic, or flammable materials, suitable facilities for quick drenching or flushing of the eyes and body shall be provided within the work area for immediate emergency use.
ANSI/ISEA Z358.1-2014 states the following:
Delivered flushing fluid temperature shall be tepid. This standard also establishes minimum performance and use requirements for eyewash and shower equipment for the emergency treatment of the eyes or body of a person who has been exposed to injurious materials.

  • The shower must have a minimum of 20 GPM at 30 psi for 15 minutes of controlled flow [Para 4.1.3]
  • The eyewash must have a minimum of 0.4 GPM at 30 psi for 15 minutes of controlled flow [Para 5.1.6]
  • The eye/face wash must have a minimum of 3.0 GPM at 30 psi for 15 minutes of controlled flow [Para 6.1.6]
  • Units must meet all individual performance requirements when all components are operated simultaneously [Para 7.1]
  • In circumstances where chemical reaction is accelerated by flushing fluid temperature, a facilities safety/health advisor should be consulted for the optimum temperature. [Para 6.4.6]
  • How Does the Hubbell Unit Achieve these requirements?

    The Hubbell EMV water heater system provides high volume tepid water for safety drench systems by integrating a specially designed mixing valve with a high quality cement lined electric storage water heater. The model EMV is designed to maintain 119 gallons of water at 170°F. The volume of water at this temperature is necessary to achieve the final flow rate of 23 GPM for 16 minutes of tepid water. When an emergency drench apparatus is used, the integrated mixing valve blends 170°F water from the tank with incoming cold water to achieve a continuous flow of approximately 85°F tepid water to operate simulataneously a safety shower and an eye/face wash fixture.

    The Hubbell EMV package is specifically designed to meet your emergency drench system needs by incorporating the following critical features:
    1. The carbon steel tank is internally lined with specially formulated hydrastone cement and does not require anodic protection. This lining is critical to the longevity of the tank when storing hot water at elevated temperatures.
    2. The mixing valve is specifically designed for emergency safety drench systems and is factory piped and packaged with the water heater tank to simplify installation and ensure a safe and dependable system.
    3. The Hubbell EMV Model has 3" foam insulation which reduces stand-by heat losses by over 24% compared to 2" insulated tanks. This provides the owner with a highly efficient and economical solution for emergency drench systems.
    4. Unlike instantaneous heaters, the Hubbell model EMV is unaffected by the loss of electric power in its ability to provide tepid water. Furthermore, the dial temperature gauge provides the operator with positive visual verification that the unit is at temperature.

    Note: For 30 GPM shower heads the Hubbell EMV will provide 75°F water for 15 minutes.
    Optional Equipment
    • Low temperature alarm dry contacts (alarm temperature is adjustable from 30-110°F)
    • Hi temperature alarm dry contacts (alarm temperature is the hi-limit set point, which is adjustable from 100-240°F)
    • Outdoor weather package includes a 304 Stainless Steel outer protective jacket, weather resistant NEMA 4 electrical housing, NEMA 4/4X enclosure surrounding the mixing valve and 6" high 304 stainless steel tank legs to raise the entire unit off the floor
    • Flow alarm indicator to signal that there is tepid water flow (requires 120v)
    • Explosion resistant construction for installation in a hazardous location. Standard is Class 1 Division 2, Group B. If application requires other please specify Class, Division and Group rating required.
    • Three Phase voltage available
    • ASME tank construction
    • Alternate mixing valve tepid water set temperature 75°F. Note: 85°F is standard set temperature. Mixing valves are not intended to be field adjustable
    • Mount and pipe multiple (two or three) storage tanks on one skid to meet the needs of larger demand systems
    • NEMA 4X enclosure provides added protection for the mixing valve in outdoor environments. Optional: Enclosure air purge fittings and stainless steel inlet fittings for corrosive environments
    • Alternate heating source. Factory installed heat exchanger to utilize steam or boiler water
    • Integrally welded seismic attachment points.
    • All hot and cold water piping on the heater package to be heat traced from the factory for freeze protection, to include an insulation jacket for the thermostatic mixing valve. Please note that all external piping to the heater need to be heat traced in the field.


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Specifications

Model EMV Water Heater Specifications
Tank: Hydrastone Cement Lined Steel
Capacities: 119 Gallons (see note)
Orientation: Vertical
Voltages: 120 thru 600 Volt
Phase: 1 Φ or 3 Φ
Cold Water Inlet Size: 1 1/2" Female NPT
Tepid Water Outlet Size: 1 1/4" Female NPT
Drain Size: 3/4" GHT
Relief Valve Size: 3/4" Female NPT
Relief Valve Type: T&P, 210°F, 150 psi
Thermostat Range: 100-180°F (surface)
Piping: Copper Tubing
Mixing Valve Cv: 10.0
Pressure Drop at 20 GPM: 4 psi
Minimum Supply Pressure: 30 psi
Hi-Limit: 190°F
Design WP: 150 psi
Design TP: 300 psi
Elements: Copper Sheathed
Insulation: 3" Polyurethane Foam
Tank Warranty:
Standard: 5 Year Non Pro-Rated
Optional: 10 Year Non Pro-Rated
Electrical Warranty: 1 Year
Jacket: High Impact Colorized Composite
Finish: White with Black Trim
Note:Alternate storage capacities are available for smaller or larger requirements.Note:Alternate storage capacities are available for smaller or larger requirements.
Outline Dimensions
Model EMV Dimensional Data
Storage Capacity (Gallons) Base Model Number Dimensions (Inches) Dimensions (Inches) Dimensions (Inches) Dimensions (Inches) Dimensions (Inches) Dimensions (Inches) Shipping Weight (Lbs)
Storage Capacity (Gallons) Base Model Number Diameter "A" Height "B" Floor to Inlet "C" Floor to Outlet "D" Piping Height "E" Mixing Valve "F" Shipping Weight (Lbs)
119EMV1203069.25824810875
Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.Note: Alternate storage capacities are available for smaller or larger requirements.
WattsRecovery Rating in GPH 50-170°FAmperage Ratings Single Phase VoltagesAmperage Ratings Single Phase VoltagesAmperage Ratings Single Phase VoltagesAmperage Ratings Single Phase VoltagesAmperage Ratings Single Phase Voltages
WattsRecovery Rating in GPH 50-170°F120 V208 V240 V277 V480 V
15005.1 13765N.A.
300010.2N.A.1413116
400013.6N.A.1917148
450015.3N.A.2219169
600020.5N.A.29252213
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