High Quality Measuring, Flow Management and Analytical Instruments
High Quality Measuring, Flow Management and Analytical Instruments
High Quality Measuring, Flow Management and Analytical Instruments
High Quality Measuring, Flow Management and Analytical Instruments
High Quality Measuring, Flow Management and Analytical Instruments
High Quality Measuring, Flow Management and Analytical Instruments
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Therm-O-Mix® Tepid Water Delivery System

 

Tepid Water Systems for Safety Showers and Eyewash Stations

Operation

The Therm-O-Mix® tepid water system is designed to deliver tepid water to one shower/eyewash combo at a time. This water heating system should be installed near the shower and piped into a facility’s steam and cold water supply lines.

When an emergency shower or eyewash station is activated, the pressure drop on a diaphragm opens the steam control valve (V-3). Water and steam flow are established, instantly heating the water and condensing the steam. After exiting the heat exchanger, the hot water enters the tempering valve (V-5) and then the mixing valve (V-1), where it is blended with cold water to produce an outlet of 80°F water. The steam valve remains closed should the water supply be interrupted.

 

Typical Applications

In various industrial and commercial settings, particularly those where dangerous substances are present, OSHA and ANSI mandate the use of tepid water systems for safety showers and eyewash stations. Per their guidelines, all emergency fixtures must provide tepid water for a minimum & continuous 15-minute cycle. Tepid is defined to be between 60°F (16°C) and 100°F (38°C). The Therm-O-Mix® Tepid Water Delivery System can ensure your emergency equipment meets these code requirements by providing 80°F water to protect personnel from scalding or freezing temperatures. Since the station does not require any electric power, it is suitable for explosion-proof environments and outdoor installations.

 

Design Features

  • Exclusive self-actuating Thermoloid® wax blend thermal actuator
  • Plant steam and water never mix – uses a compact heat exchanger
  • Standard pressure unit available for 45-60 PSIG steam pressure
  • Low-pressure unit available for 15-30 PSIG steam pressure
  • Durable enclosure can be readily removed for service
  • Conforms to OSHA and ANSI recommendations
  • Designed to meet ASSE 1071 requirements
  • Steam trap on steam inlet included
 

Benefits

  • Self-operating – no external power source required
  • Uses existing plant steam and water supply
  • Provides 3 to 25 GPM of 80°F
  • Easy to retrofit on existing shower or combination face/eyewash stations
  • Maintains constant 80°F output regardless of inlet water temperature
    (between 40°F and 80°F)
  • No insulated tanks or expensive recirculation systems required
  • Self-purging-no need for elaborate drainage system
  • Union connections allow quick and easy installation
 

Ordering

PART NUMBER

DESCRIPTION

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THERM-O-MIX® STATION, BPHE
(45-60 PSIG STEAM)

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THERM-O-MIX® STATION LSP, BPHE
(15-30 PSIG STEAM)

 

Specifications

 

MAXIMUM

MINIMUM

Outlet Flow Rate

25 GPM

95 LPM

3 GPM

11 LPM

Ambient Operating Temperature

120°F

49°C

-30°F

-34°C

Inlet Water Pressure

90 PSIG

6 BAR

55 PSIG

4 BAR

Inlet Water Temperature

80°F

27°C

40°F

4°C

Inlet Saturated Steam Pressure

60 PSIG

4 BAR

45 PSIG

3 BAR

Inlet Saturated Steam Pressure

(Low Pressure)

30 PSIG

2 BAR

15 PSIG

1 BAR

Maximum Steam Temperature

350°F

177°C

 
 

Cold Water Bypass Flow Rate

24 GPM @ 25 PSI Pressure Drop

Water Inlet & Outlet Pipe Size

1 1/4” NPT (F)

Steam Supply & Drain Pipe Size

1” NPT (F)

Steam Consumption

600 lb./hr @ 25 GPM Flow Rate, 20 lb./hr @ Idle

Condensate Discharge Rate

12 GPH maximum

Pressure Drop Water Inlet

25 PSI @ 25 GPM

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Corporate Office - Houston Physical Address:
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Houston, Texas 77034

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Houston, Texas 77289-0649

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