This dual pump is designed for either a powerhead type unit or a full module.
The module provides a “self-contained” diesel powered “slide-in” type ultra high pressure / high volume
system (UHP- HV). The system shall be designed to fit into the back of a standard length and width pick-up
truck or fire service body.
The powerhead is to be installed and plumbed by OEM/installer. The powerhead provides diesel driven
volume and pressure pumps. The system is designed to be mounted and finished by installer.
The UHP-HV shall be designed to discharge low pressure water (foam solution option) from one discharge,
or high pressure foam solution (option) from a hose reel (option) or both simultaneously.
Engine
The power to drive the system shall be provided by a Kubota model DH 902, liquid cooled, indirect injection,
naturally aspirated diesel engine. The heavy duty rating for this engine is 24.8 hp @ 3600 rpm. Automotive
engines or ratings will not be used. The power unit shall have re-borable crankcase of grey cast iron.. The
pressure-lubricated engine shall have a 12VDC – 40 amp alternator, glow plugs. A remote oil drain shall be
supplied.
High Volume Water Pump
The low pressure water pump shall be a Darley 2BE single-stage centrifugal pump with a vertically split
aluminum case. It shall have replaceable bronze impeller and seal rings on a stainless steel shaft. The pump
seal shall be of a mechanical design.
High Pressure Water Pump
The high pressure water pump shall be a CAT pump 7CP6170 belt driven plunger pump. The pump shall
incorporate a forged brass head with FPM and EPDM elastomers offering compatibility with a wide range of
foam liquids. It shall be of rugged continuous-duty triplex design capable of pressures exceeding 1400psi.
There shall be built in pressure relief valves to protect the system from over pressure. In addition, there will
be integrated thermal relief valve designed to keep the pump at safe operating temperatures.
All hp pressure lines shall be rated to a minimum of 2000 psi.
Drive System
The high volume water pump is directly driven in line with the engine crankshaft. The high pressure pump is
belt driven from special bell housing sprocket drive. It shall be driven via a dry 2Gates Poly-Chain® drive
system. The complete drive system shall have a 2,000 hour rated service life and shall be designed and rated
for the imposed speed and load.
Electrical System
All electrical equipment installed by the manufacturer shall conform to current automotive electrical system
standards and the requirements of the applicable NFPA apparatus standards. The wiring shall be individually
and permanently color and function coded. The installation shall meet SAE Standard J1128 in its latest
edition for GXL or SXL temperature rating.
All exposed wiring shall run in loom with a minimum of 280°F (137.8°C) rating. All wiring loom shall be
properly supported and attached to frame members along the entire run. At any point where wire or looms
must pass through metal, rubber grommets shall be installed to protect the wire from abrasion.
Specifications are subject to change and improvements without notice
Gates Poly-Chain is a registered trademark of the Gates Corporation, dba The Gates Rubber Company
Odin Foam Division, W.S. Darley & Company
The main low voltage electrical terminal block and circuit breaker panel shall be provided behind the pump
operator’s panel in a location providing easy service access.
The electrical connections shall be made using heat shrink and/or weatherproof connectors. All electrical
circuits shall be protected with ATO blade type fuses.
Priming System
A Darley 12 VDC electric, oil-less, rotary-vane priming system shall be utilized. The primer is capable of
priming the water pump through 20’ of hard suction hose with a 10’ lift. Primer controls and instruction plate
shall be mounted on the operator’s panel.
Plumbing, Hoses and Lines
All piping shall be of galvanized or stainless steel. Uses of grooved end pipe couplings are required for
flexibility and movement of system components on mobile equipment. Flexible piping may be used where
applicable. Drain cocks shall be provided on the water pump and Cat Pump to prevent freeze damage.
Tank to Pump
There shall be a brass two piece 1 ½” tank to pump valve fitted in the module and controlled from
the operator’s panel.
Inlets
A 2½” NH male suction inlet with cap and lanyard shall be provided at the operator’s panel.
Outlets
1. There shall be one 2½” NH water only discharge (optionally foam discharge) with a 2”
valve provided on the operator’s panel. The valve shall terminate in NST threads with cap
and lanyard.
2. A high pressure discharge outlet will be provided for a hose reel.
Tank Refill
A 1½” tank refill line with a 1½” valve shall be provided and controlled from the operator’s panel.
Module Frame
The module frame shall be constructed of aluminum and designed for rigorous fire service use. Aluminum
tubing shall be ¼” thick and be of 6061 or better specification.
Control Panel
The control panel shall be laser cut, 16 gauge, brushed stainless steel. The instruments, indicators and
controls that are located on the control panel / operators area shall be positioned in a logical manner and
clearly marked to provide for simple and easy operation. The following items shall be mounted on the
control panel:
1. Pump Panel Light Cluster
2. Foam or Dual Foam Solution Control Valve (option)
3. Water Only Discharge Valve(optionally foam discharge); 2½” NH Male Outlet
4. Tank Refill Valve
5. Tank to Pump Valve
6. 2½” NH Male Suction Inlet with Cap
7. Prime Valve Controls
8. 2½” Master Low Water Pressure Gauge
9. 2½” Master High water Pressure Gauge
10. Engine Throttle
11. Engine Control
a. Hour Meter / Tachometer
Odin Foam Division, W.S. Darley & Company
Length
44” + 6” gap required for air flow
Width
46”
Height
36”
Weight
1050lbs
Low Pressure Water Pump
140 gpm @ 110 psi
200 gpm @50
High Pressure pump
8 GPM @ 1300 psi
Simultaneous Flow
100gpm @100 psi
8gpm@ 1100psi
Engine Horsepower
24.8 hp @ 3600 rpm
3
Engine
1 year
HP pump
1 year
Water Pump
3year/3000 hours
Chemical Injector
1 year
Water Tank
Lifetime
b. Ignition Switch
c. Low Engine Oil PSI Light
d. Choke
Labels
All controls shall be clearly labeled. The labels shall comply with applicable NFPA standards.
Testing
The completed unit shall undergo a manufacturer’s run-in test prior to delivery. The engine, pump and CAT
pump shall be operated for a minimum period of two (2) hours, during which time the test operator shall
monitor and record the functions and performance of each system component.
This testing shall be performed to ensure proper system operation and performance prior to shipment. The
manufacturer shall provide written certifications that the tested unit meets all performance criteria contained
herein.
Manuals
One (1) copy of the Operation and Maintenance Manual and a CD copy shall be provided to the purchaser
with each unit. This manual shall include detailed instructions in the operation and maintenance of the
overall unit, engine, water pump and foam proportioner.
Dimensions
Performance
Warranty3
All fabrication and materials are warranted for a period of two (2) years barring accidents, abuse or
negligence. Excluding from warranty are all consumables and parts subject to routine replacement. We will
repair or assist in the repair or replacement of the product in its entirety.
UHP-HV Options
Covered by the original manufacturer’s warranty.
Odin Foam Division, W.S. Darley & Company
The list of options, which follow, can be added to the standard UHP - HV module according to your
specifications and needs of operation. These options are not included in the base price of the module.
Water Tank - 150 200 250 gallons
Specify size as needed The tank will be designed to mount within 8” of the rear of the module to promote good air
circulation to the engine. It will be separate and shipped loose and mounted to the bed of the vehicle
with separate mount hardware.
The water tank shall be rectangular in configuration and shall be constructed of ½” polypropylene
sheet. All joints and seams are to be nitrogen welded.
The tank cover shall be constructed of ½” polypropylene and shall incorporate hold-downs to assist
in keeping the cover rigid under fast filling conditions. The cover shall have a combination vent and
manual fill tower. The tower shall have a hinged cover and a ¼“ thick polypropylene screen.
There shall be two (2) standard tank outlets; one for the tank to pump suction line and one for the
tank fill line. An anti-swirl plate shall be installed at the tank-to-pump outlet. A manufacturer’s
warranty shall be included for the tank.
The tank shall include all fittings, adapters, senders, switches and hoses necessary for tank to module
connections.
Water Tank - 150 200 250 gallons and skid
Specify size as needed A plastic weldment sub-frame shall be provided to support the entire slide-in module. The sub frame
shall be strong enough to support the weight of the booster tank and module / pumping equipment
while in the apparatus and during loading and unloading and shall be utilized as a base mount for the
engine and pumps. Provisions shall be incorporated in the sub frame to facilitate using a forklift for
loading and unloading of the unit.
The water tank shall be rectangular in configuration and shall be constructed of ½” polypropylene
sheet. All joints and seams are to be nitrogen welded.
The tank cover shall be constructed of ½” polypropylene and shall incorporate hold-downs to assist
in keeping the cover rigid under fast filling conditions. The cover shall have a combination vent and
manual fill tower. The tower shall have a hinged cover and a ¼“ thick polypropylene screen.
There shall be two (2) standard tank outlets; one for the tank to pump suction line and one for the
tank fill line. An anti-swirl plate shall be installed at the tank-to-pump outlet. A manufacturer’s
warranty shall be included for the tank.
The tank shall include all fittings, adapters, senders, switches and hoses necessary for tank to module
connections.
Odin Foam Division, W.S. Darley & Company
Odin® UHP-HV diesel
Foam Tank
A 10 to 15 –gallon polypropylene foam reservoir shall be provided as an integral part of the booster
tank and may contain a level sender for gauge in the bottom of the tank to signal level of the foam
reservoir (option sender hole). The tank shall be plumbed to supply the foam proportioner with a
minimum 1/2” hose (size varies per customer specifications).
Hose Reel
The hose reel shall be of painted steel construction with fairleads and electric rewind, installed with
200’ of 1/2” high pressure hose. The hose reel shall be shipped loose and shall have a straight
swivel inlet. A variable pressure single flow discharge wand with pistol grip hand valve and straight
discharge tip will be provided with the reel.
Dual Flow Nozzle Gun
An all aluminum dual flow “Dual Strike” nozzle gun shall be capable of two different flows –
1. Straight stream delivers penetrating spray with fine cooling mist 30 to 50 ft.
2. Fog stream delivers high expansion foam up to 45 ft. with expansion ratios up to 10:1 for maximum
coverage. The Fog stream shall be compatible and effective with Class A & Class B foams
The Nozzle also incorporates an auto shut-off feature for firefighter safety.
Foam Concentrate Proportioner
The automatic foam proportioner shall be the CAT precision foam control system. It shall be
provided and installed to inject foam concentrate into the high pressure discharge hose. The
proportioner shall automatically meter the correct percentage of foam concentrate, based on current
flow, into the water stream. A check valve shall be provided ahead of the foam injection point to
prevent foam solution back-flow. The concentrate pump shall be an around the pump type system.
The system shall be capable of flowing either type A or B fire fighting foams (flush required for
both). The proportioner knob pointer shall allow injection rates to 6% capabilities.
Dual Foam Flurry Concentrate Proportioner
The Dual Foam Flurry is an “around the pump/eduction” foam injection system designed for the
UHP-HV. It is capable of injecting Class A foam into the suction side of the high volume pump as
well as the suction side of the ultra-high pressure pump without needs for electrical power. It will be
capable of proportionally higher injection rates automatically as flow increases. When flow ceases in
the discharge piping, the Dual Foam Flurry will automatically stop injection. The high volume side
can inject up to .65 gallon a minute of Class A chemical under full flow. It requires a minimum
discharge pressure of 80 to optimum 100 psi or above to inject. There shall be little or no pressure
allowed into the suction head of the fire pump (hydrant use) when operating the Dual Foam Flurry.
The high pressure side can inject up to .65 gallon a minute of Class A chemical under full flow,
which is around 6% chemical percentage. The intake pressure should be between 20-35 psi into the
UHP side (pre-set).
Suction Valve
The suction valve shall be a 2½” hydrant type valve mounted on the control panel suction inlet.
Water Level Gauge
One (1) electronic water level gauge shall be provided on the control panel.
Foam Level Gauge
One (1) electronic foam level gauge shall be provided on the control panel.
Odin Foam Division, W.S. Darley & Company
Standard Equipment
•Engine – Kubota 24.8 HP, water
Cooled, 3 cylinder, Diesel Powered, 12
VDC Electric Start
•Control Panel – Illuminated, Laser Cut,
Brushed Stainless Steel Panel with all
Engine, Water Pump controls.
•LP Pump System – Darley Model
“2BE” with 2½” Water Discharge, 2½”
NPT Suction Inlet, Muffler Primer,
2½” Water Pressure Gauges
•HP Pump System – CAT model 7CP,
belt driven 8gpm@1200 PSI
•Frame – Lightweight Aluminum
tubing. 1/4” wall, black powder coated.
Options
Water tank and skid to 150 gallons
Water tank and skid to 300 gallons
Foam Cell for tanks
Level Gauge – Water or Foam (price each)
Hose Reel – Installed with 200’ of 1/2” HP Hose, pistol grip valve and Tip
Dual Foam Gun
2.5” Suction valve – hydrant type
CAT UHP Foam system
Dual Foam Flurry
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