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The MDT II also provides an electrical interlock for the low tank level sensors and concentrate injection rate. The MDT II is
not suitable for top mount operator panel installations and some side operator panels due to gravity feed requirements of
foam concentrate to the foam pump.
Manual Single Tank (MST)
Single tank foam systems can be configured with a Manual Single Tank (MST) selector, which provides a flush function
connection to the foam system electronic controls.
HALE FOAM SYSTEM SPECIFICATIONS
Table 2: Specifications – 1.7 and 2.1
1.7AHP 2.1A
Foam Pump Type Piston Pump, Dual Plunger Piston Pump, Dual Plunger
Maximum Foam Concentrate Output 1.7 GPM (6.5 LPM) 2.1 GPM (8 LPM)
Maximum System Operating Pressure 400 PSI (27.5 BAR) 250 PSI (17 BAR)
Maximum Operating Temperature 160°F (71°C) 160°F (71°C)
Pump Motor 0.44 HP (0.3 kW), 12 VDC 0.44 HP (0.3 kW), 12 VDC
Maximum Ampere Draw (12VDC) 40 AMP @ 12 VDC 40 AMP @ 12 VDC
Maximum Ampere Draw (24VDC) 20 AMP @ 24 VDC 20 AMP @ 24 VDC
Table 3: Specifications – 3.3 and 5.0
3.3 5.0
Foam Pump Type Rotary Gear Positive Displacement Rotary Gear Positive Displacement
Maximum Foam Concentrate Output 3.3 GPM (13 LPM) 5.0 GPM (19 LPM)
Maximum System Operating Pressure 400 PSI (27.5 BAR) 250 PSI (17 BAR)
Maximum Operating Temperature 160°F (71°C) 160°F (71°C)
Pump Motor 0.75 HP (0.6 kW) 0.75 HP (0.6 kW)
Maximum Ampere Draw (12VDC) 60 AMP @ 12 VDC 60 AMP @ 12 VDC
Maximum Ampere Draw (24VDC) 30 AMP @ 24 VDC 30 AMP @ 24 VDC
Table 4: Specifications – 6.5
6.5 (12V) <1>
6.5 (24V)
Foam Pump Type Rotary Gear Positive Displacement Rotary Gear Positive Displacement
Maximum Foam Concentrate Output 6.5 GPM (24.6 LPM) 6.5 GPM (24.6 LPM)
Maximum System Operating Pressure 200 PSI (13.8 BAR) 200 PSI (13.8 BAR)
Maximum Operating Temperature 160°F (71°C) 160°F (71°C)
Pump Motor N/A 1.25 HP (0.9 kW)
Maximum Ampere Draw 45 AMP @ 24 VDC
Converter 12 VDC TO 24 VDC @ 100 AMP
N/A
V
IN
/ V
OU
T
11-16 VDC / 24 VDC (± 1.5%)
Maximum Ampere Draw (INPUT) 90 AMP @ 12 VDC
NOTE <1> THE 12V SYSTEM USES A 24 VDC MOTOR AND A 12 VDC TO 24 VDC CONVERTER.