TWBS.HF

Thermostatic Mixing Valve

Model TWBS.HF Lead-free AXION® Emergency Tempering Valve thermostatically mixes hot and cold water to provide a safe fluid supply for emergency shower and eyewash equipment, with a flow rate of 78 gpm (295 L).

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Specifications

Model TWBS.HF (patent pending) is a thermostatic mixing valve that mixes hot and cold water to supply tempered water to emergency shower and eyewash fixtures requiring flow up to 78 gpm (295 L). Unit employs a paraffin filled thermostatic mixing element with triple redundant anti-scald protection. Lowest internal pressure drop where supply pressure is low, and a high Cold Water Bypass flow rate of 79 gpm (299 L). The modular low lead brass design with a one piece casting uses internal check stops, over-sized valve seats, a shuttle design that eliminates valve sticking, and a funnel design to improve temperature control with better mixing at low flow rates. Lime and calcium resistant components are used throughout. The outlet temperature factory setting is 85® F (26® C). Maximum operating pressure: 125 psi (8.62 Bar). Temperature adjustment range 60 - 90® F (16 - 35® C). Maximum inlet temperature: 180® F (82® C). Recommended inlet temperature: 140® F (60® C). Minimum inlet temperature: 120® F (49® C) Inlet 2" NPT(F). Outlet 2" NPT(F).

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