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WATP 500V High Head Foam System

Ships via freight 3-4 days

Now you can have the proven reliability of a Williams Around The Pump Foam System, combined with the flexibility of a Class “A” and Class ”B” Proportioner in one convenient, easy to use package.

Description

Now you can have the proven reliability of a Williams Around The Pump Foam System, combined with the flexibility of a Class “A” and Class ”B” Proportioner in one convenient, easy to use package. No need to fumble with confusing change over valves, because one valve allows you to select the foam source and set the foam concentrate percentage. This system features the ability to infinitely adjust, or “tweak” the foam concentration for Class “A” (1%) or Class “B” (3%) solutions to a maximum of 500 GPM (1892 Lpm).

Features & Benefits

  • Operates against 33% Pump Inlet Pressure (Example: 150 PSI Discharge Pressure w/50 PSI on Water Pump Inlet)
  • Proportions Class “A” Foam up to 500 GPM at 1%
  • Proportions Class “A” Foam up to 1000 GPM at .5%
  • Proportions Class “B” Foam up to 500 GPM at 3%
  • Positive Shutoff on Metering Valve
  • Balanced Ball Design is easy to operate
  • Requires no maintenance
  • Ergonomic grip handle is easy to use
  • Flush port is built into Metering Valve
  • Simplicity of operation
  • Available as manual actuated or air actuated

Metering Selection Chart for WATP-500 “A” (Flows in GPM)

 FOAM  METERING VALVE POSITION
 %  I  II  III  IV  V  VI
 0.25  240  380  500  1000  1500  2000
 0.5  120  190  250  500  750  1000
 0.75  80  127  167  333  500  667
 1  60  95  125  250  375  500

 

Metering Selection Chart for WATP-500 “B” (Flows in GPM)

 FOAM  METERING VALVE POSITION
 %  I  II  III  IV  V  VI
 1  180  285  375  750  1125  1500
 2  90  142.5  187.5  375  562.5  750
 3  60  95  125  250  375  500
 4  45  71.25  93.75  187.5  281.25  375
 5  36  57  75  150  225  300
 6  30  47.5  62.5  125  187.5  250

 

Ordering Information

 Part Number  Description
 11679  WATP-500V-A Foam System for single tank Class A foam, air actuated
 11680  WATP-500V-B Foam System for single tank Class B foam, air actuated
 11681  WATP-500V-A/B Foam System for dual tank Class A and B foams, air actuated
 11682  WATP-500V-A Foam System for single tank Class A foam, manual actuated
 11683  WATP-500V-B Foam System for single tank Class B foam, manual actuated
 11684  WATP-500V-A/B Foam System for dual tank Class A and B foams, manual actuated

 

Williams-product-watp-500v.pdf

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