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  Home > HAWS > Thermostatic Valves >

Haws TWBS.HF, Lead-Free, AXION Tempered Water Blending System, Emergency Thermostatic Mixing Valve for Emergency Showers and Eye/Face Wash Equipment, Flow Rate 78 GPM (295 L)
Haws TWBS.HF, Lead-Free, Emergency Thermostatic Mixing Valve for Emergency Shower and Eye/Face Wash Equipment, with a Flow Rate of 78 GPM (295 L), Emergency Equipment


 
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List Price: $4,735.00
Our Price: $3,676.02
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Availability:: In Stock
Product Code: TWBS.HF
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Description
 

Haws TWBS.HF

Model TWBS.HF Description

Model TWBS.HF, low lead Emergency Valve (patent pending), thermostatically mixes hot and cold water to provide a safe fluid supply for emergency shower and eyewash equipment. The valve contains a secondary high temperature limit valve to provide additional protection to the user in the event of main tempering valve malfunction. Additionally, to ensure a fail-safe water supply for emergency shower and eyewash stations, a pressure sensing diverter valve is provided that sends a pressure signal to open the cold water by-pass valve in the event of hot water pressure loss, main valve thermostat malfunction, or clogged cold water check-stop. (No gauges supplied - ASSE 1071 standard recommends gauges be placed 5 to 8 feet (1.52 to 2.44 m) downstream for the most accurate temperature measurement.)

  • A flow rate of 1 to 78 gpm (295 L) for better temperature control across the operating range
  • Lowest internal pressure drop for this class of valve (advantage where supply pressure is low)
  • Wax based thermostat technology for fast response time with proven highly reliable temperature control
  • Highest Cold Water Bypass flow rate in the industry (100% of rated tepid flow rate)
  • Modular low-lead brass design with internal check stops
  • Oversized valve seats resist failures caused by foreign matter
  • A new and efficient shuttle design eliminates valve sticking
  • A custom funnel design improves temperature control at low flow rates
  • Outlet temperature is factory set to 85 F (29 C)
  • Tempered water: High temperature limit is factory set to 87 F (30 C)
  • 0.0 gpm cold water failure rate when tested according to ASSE 1071
  • Cold water by-pass valves are closed during normal operation, regardless of flow rate


Listings: ASSE 1071, CSA B125.3, NSF/ANSI 61-section 8, California Health and Safety Code 116875 (AB 1953).

Buy America Act Information

The vast majority of Haws products qualify under the terms of the act. However, since different purchases often require subtly different responses, Haws recommends that the specific document requesting certification be sent to customer service for a specific answer.

Industry Standards Compliant

Haws TWBS.HF Spec Sheet



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HAWS > Thermostatic Valves