Water flushing system
Brand WOMA
Type 185 ARP-GGG
Flow/pump ± 406 l/min
Max Pressure ± 180 bar
Power requirement ± 135 kW
Drive line Hydraulically driven from the 2nd PTO exit on the gearbox. Largely dimensioned and adequately protected for safe operation.
Jetting pump engaged and disengaged from the main control panel.
Safety features The jetting pump will be automatically disengaged at minimum water level.
Water supply tank Capacity ±3000L, incorporated with the cooling water tank.
Filling device, overflow and drain ducts are foreseen with the necessary valves and quick couplings.
Manhole is foreseen.
Water level sight glass with couplings at top and bottom for cleaning purposes.
Low level water detection in water tank.
Suction hose 20m length, made in stainless steel with flexible tubing and foreseen with a water filter and the necessary isolation valves.
Pressure hose The pressure duct can be connected to the air supply system of the truck to blow out all water in case of temperatures below 0°.
Manual set water pressure regulation device with overflow to the
water tank.
Jetting hose reel 200m cleaning length. Executed in stainless steel, fixed rear mounted,
swivelling through 180°
Drived by hydraulic motor.
Coiling off manually operated, coiling on automatic (spring system)
Foreseen with lever operated ball valve.
Power take-off
The chassis has to be equipped at your expenses with:
- 1 PTO on the gearbox with twin outlets:
o 1 outlet for driving the vacuum pump
o 1 outlet for driving the needed hydraulic pumps
- All outlets is able to work simultaneously when needed at their full power demand.
- The exact execution of the PTO has to be determined together with our technical department.
Pressure vacuum tank
Shape Cylindrical shaped tank with U-sectional external stiffening rings.
Material Stainless steel, grade A240-316L (1.4404 acc DIN)
Capacity ±5,000 Litres
Baffles None foreseen.
Wall Thickness ± 6 mm
Head Thickness ± 6 mm (torispherical heads)
Design pressure FV and 4,0 bar overpressure
Working pressure -0.9 bar underpressure and 2 bar overpressure
Tipping ram Front tipping ram with safety support for easy working under a tipped tank.
Manhole 1 Off manhole, positioned on the top centre line of the barrel.
Overpressure safety A bursting disc [graphite] is mounted with overpressure relief valve, flame arrestor and pressure gauge
Walkway Aluminium low level walkway to man-way, with rigidly fixed handrail, accessible by ladder.
Vent Valve A 80mm stainless steel butterfly valve, pneumatically operated from the main control panel, on tank top.
Discharge gutter A stainless steel discharge gutter will be mounted at the rear to protect the chassis.
Advertising boards Mounted on both sides of the barrel. Boards to be in aluminium, painted.
Rear door Full door with hydraulically opening operation and heavy, adjustable hinges. No threshold because door bottom is at same level as tank floor.
Safety Hydraulic check valves with auto check and mechanical hold in upper position.
Locking mechanism The door is locked by hydraulic operated clamps.
Seal Positive seal with rubber seal in neoprene.
Content indicator By means of a stainless steel floating ball inside the tank and an indicating arrow on the outside.
When the tank is full, the suction duct is closed automatically and a horn signal is activated. By means of a by-pass switch you can still empty the suction hoses.
Inlet valve One off 150mm ball valve, brand BV, with manual operation. Valve to be in steel with stainless steel ball and PTFE seals. Located in base of rear door. A riser pipe is fitted to the inlet line with a suitable bend. Terminating in 6” Camlock male connection with blank cap.
Outlet Valve One off 150mm ball valve, brand BV, with manual operation. Valve to be in steel with stainless steel ball and PTFE seals. Located in base of rear
door. Terminating in 6” Camlock male connection with blank cap.
Valves locked pneumatically during transport.
Vacuum pump
Type Liquid ring vacuum pump, make KENFLO, driven from the PTO on the gearbox with cardan shaft and V-belts. Engage and disengage from drivers cab, continuous operate at 8 meters of water vacuum..
Air Flow ± 30,000lpm
Suction depth 10m vertical depth below ground level.
Power requirement ± 85 kW
Ductwork 6" – in stainless steel and rubber hosing
Equipment 1st cut-off with stainless steel floating ball, at top of tank.
stainless steel secondary cut-off.
Pneumatic operated transport valve on top of tank.
Non return valve at pump entrance.
Snifter valve 2”
Exhaust On top of the water tank and at ground level. The upper exhaust is executed as “chimney” exhaust. Both exhausts are foreseen with a male coupling.
Pump cooling Water tank in stainless steel 304(L), ± 1.500L, mounted just behind the drivers cab and foreseen with filling duct and discharge line, manhole and 40/30mm acrylic sight glass.
Cooling duct to pump foreseen with automatic operated isolation valve.
Filtration system
Brand Klass(Germany)
made of stainless steel, debris dewatered to at least 80% of solid content.
granularity 500μm
Tank mounting
The chassis will be equipped at our expense with a sub frame acc. chassis manufacturer’s prescriptions.
At the rear, the tank is equipped with 2 heavy hinge points.
At the front, the tank rests in a tank saddle with rubber lining.
Hydraulic – pneumatic and electrical equipment
Equipment All needed control valves and equipment for a smooth and easy operation of the unit are installed.
Hydraulic The needed hydraulic pump is mounted directly onto the PTO on the gearbox.
The unit is foreseen with a suitable oil tank and the needed filters and valves.
Pneumatic The necessary air supply is taken from the main air supply of the truck. The necessary safety valves are installed.
Electrical The needed electrical current, 24VDC, is taken from the trucks electrical system and is foreseen with the needed fuses.
Additional safety features
Earthing An earthing reel with 10m cable and spike is mounted.
Emergency stop An emergency stop is installed on the main control panel.
Rotary beacon 1 off amber coloured rotary beacon is mounted at the top at the rear.
Working light 1 off working light is foreseen at the rear.
Control panel
Controls All necessary controls needed for good operation are provided and will be discussed with the customer prior to mounting.
Labels The whole unit is foreseen with clearly engraved labels where necessary.
Speed governor A speed governor is foreseen at the control panel. Pre-wiring for this has to be executed by the chassis supplier at his expense.
Finishing
Hose racks On one side a stainless steel hose storage rack with solid bottom. Length according to available place.
swivel arm swivelling in both the vertical and horizontal plane.
Tool boxes On one side a multi compartment stainless steel toolbox is foreseen. The control panel is also located inside this box.
Mudwings Synthetic mudwings are foreseen on all rear axles.
Traffic regulation All necessary items to comply with the local traffic regulations are mounted on the truck.
Underrun protection At the rear a fixed underrun protection will be installed.
Treatment
Sandblasting All steel and stainless steel parts are sandblasted to grade SA2.5
Paint The whole unit is painted in an acrylic paint in your FLN colours.
Inside The inside of the tank is pickled and passivated.
Advertising Not foreseen in this offer.
Delivery
Date In mutual agreement.
Delivery Ready to operate but without suctions hoses and other equipment, unless mentioned earlier in this offer.
Manual The unit is foreseen with an operations manual and a manual for complete maintenance.
Training Our company provides operate training.