Emergency Valve Sizing Guide

TMV selection for use with Emergency Fixture Applications*
*Selection Tool only applicable for Bradley Emergency Fixture Products.

Please indicate the type and number of devices you intend to feed directly with your Thermostatic Mixing Valve:

Product Type

Quantity

Wall Mounted, Pedestal Mounted, Laboratory Units

 

Halo Eyewash Only

Halo Eye/Face Wash Only


Horizontal or Vertical Supply and Free Standing Drench Showers**

Spintec Drench Shower


Combination Units**

Halo Eyewash & Spintec Shower

Halo Eye/Face Wash & Spintec Shower

    

TOTAL GPM Requirement:
TMV GPM rating should exceed the GPM Requirement

GPM

Calculate Hot Water Flow Requirement for this system.

AVAILABLE EFX TMVS

Flow Capacity - GPM

 

Part #

30 PSI

45 PSI

60 PSI

Pressure Drop Thru Valve Based on Selections Above

S19-2000  (Technical Data)

7.5 GPM

9.0 GPM

10.5 GPM

PSI

S19-2100  (Technical Data)

26.0 GPM

32.0 GPM

37.0 GPM

PSI

S19-2150  (Technical Data)

19.5 GPM

25.5 GPM

30.5 GPM

PSI

S19-2200  (Technical Data)

53.5 GPM

65.5 GPM

75.5 GPM

PSI

S19-2300  (Technical Data)

82.0 GPM

100.5 GPM

116.0 GPM

PSI

 

 

 

 

 

To purchase one of the products above, please find your nearest Bradley Sales Location.

 

 

 

Key information for sizing Thermostatic Mixing Valves for Emergency Fixtures:

 

  1. Determine incoming pressure. Valve flow depends on pressure supplied to valve.
  2. Per ANSI, a minimum of 30 PSI must be supplied to Emergency Eyewash and Shower Equipment.
  3. EFX items should be on a dedicated supply line so supply will not be disrupted.
  4. The number of units attached to a Thermostatic Mixing Valve will depend on location and flow requirements.
  5. The layout of TMVs must be determined by end user, or installer/plumber.
  6. If calculated amount is higher than valve GPM rating at incoming pressure, additional valves must be used.

 

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