New Presvac Systems DOT Vacuum Trailer, model 6500 USG Stainless Steel DOT 412, 2025. Top-tier stainless build ensures reliability for demanding tasks. This state-of-the-art equipment is ready to meet your operational needs.
Type: Semi-trailer - Dump unit
Code: DOT 412
Vessel will be constructed and certified in conformance with the A.S.M.E. Boiler and Pressure Vessel Code (Section VIII, Division 1) National Board Registered.
Tank capacity - 6500 U.S. gallons plus 3% outage for expansion
Tank diameter - 66”
Overall tank length - 39’
Head material - 5/16" stainless steel 316
Shell material - 1/4" stainless steel 316
Reinforcing rings - external exposed flatbar rings, stainless steel
Design pressure (internal) - 25 p.s.i.
Design pressure (external) - 15 p.s.i. (full vacuum)
Hydrostatic test pressure - 37.5 p.s.i.
Maximum allowable working - 25 p.s.i. pressure
Operating temperature range - -20oF to 200oF
Venting - Betts 4” stainless steel 316 vent (as per D.O.T. 407 / 412)
Primary shut off - 20" quick opening hatch with 12" stainless steel float ball, seating against a neoprene seat Ball and seal inspection and service, external, stainless steel 316
Isolation valve - 6" air operated Butterfly valve between primary and secondary shut off, stainless steel 316
Vacuum lines - 6" continuous grounded, wire reinforced neoprene vacuum pressure hose, looped to rear no disconnect required when dumping, piping to be stainless steel
Cyclone - One (1) cyclone, size for proper blower CFM, which bottom hatch cover for cleaning, drain valve in bottom
Vacuum pressure gauges - Two (2) glycerine filled, anti-shock
Liquid level indicator - External arrow rotary float gauge with 9" stainless steel float ball, Teflon packing and neoprene seals, equipped with grease fittings, stainless steel 316
Baffles - Three (3) half baffles, upper section of tank welded to reinforcing pads, stainless steel 316
Top manways - Three (3) 20" diameter manway with neoprene gasket, design pressure 50 p.s.i., stainless steel 316
Spill dam-SS - Around all manway, with drain hoses
- 4” SS sampling port inside spill box
- Additional 6” loading nozzle, for loading from another vacuum source, stainless steel fitting, and cap and coupling, in tank shell center top, includes a 90 degree elbow with stainless fitting to raise above the spillbox so hose can be attached
- 1” nitrogen line with valves and gauge
Walkway-SS-street side - Anti-skid, gripstrut material at 3 o'clock position
Grabrail-SS-street side - Tank top
Ladder-SS-street side - To top walkway - anti-skid material
Hoist - Front mounted hydraulic hoist 30 tons capacity with safety prop
Rear door-SS - Full opening rear door, hydraulically operated with heavy-duty wingbolt closures, door safety prop
Vibrator - Two (2) hydraulically operated with heavy duty mounting pad, they are to be operated independently of each other.
Hose tray/fenders - Two (2) 30' long, drain valves in each front tray both sides, painted stainless steel
Toolbox - Two (2) 30" x 18" x 18" stainless smooth
Rear valves (suction) - One (1) 4” Betts SS valve air operated self closing with remote control, male coupling and cap. Internal stand (SS-riser pipe) with deflector plate. 4” Betts SS manual valves.
Rear valves (discharge) - One (1) 6” Betts SS valve air operated self closing with remote control, male coupling and cap. 6” Betts SS manual valves.
Top loading port - 8” in flanged port in top of rear door, stainless steel 316, with 6” stainless wear sleeve with SS coupling and drip cap
Lights-L.E.D. - Vapour proof, all wiring in conduit, Truck Lite, 3 lamp rear modules, junction box, 3 in a row top clearance bar, clearance lights and reflectors, reflective tape
Worklights-L.E.D. - One (1) L.E.D. light at engine area, one switch to operate this light for night operation
- 40” double row L.E.D. light bars, One (1) rear head, Two (2) on driver side, Two (2) passenger side
- Separate switches for rear head light bar, and separate switches for light bars left and right side of the tank.
Trailer frame-carbon steel - Full length, heavy-duty dump chassis with heavy-duty hinge assembly
Suspension – Tri Axle - Hedrickson with air ride with dump valve
Axles-Fixed-Tri Axle - Three (3) 20,000 lbs capacity each, fixed, equal spacing, Hedrickson Axles
- Disk Brakes
Lift Axles-steerable - All lift axles rated at 20000 pounds each
- Two (2) lift Hendrickson axles, steerable in front of tri suspension, equal spacing on axles
- All regulators are to be in stainless cabinet on driverside for easy access.
- One (1) switch to be in cab to control all lift axles
- Disk Brakes
Wheels-Hub Pilot - Twelve (12) 10 hole pilot hub Polished Aluminum outside, four tires and rims per axle
- four (4) aluminum buds for steerable lift axles
Brakes-ABS - 16-1/2" x 7" S-cam, automatic slack adjusters
Tires - Twelve (12) 11R22.5 Continental radials-Tridem
- four (4) 315/22.5R for steerable lift axles
Upper coupler plate - Heavy-duty 3/8" plate (bolted)
Electrical connectors - 6 & 7 pins
Landing gear - Holland Mk5-2 speed, 120,000 lbs capacity static load
Fenders - Front and rear- see hose trays
Mud flaps - Rear
Rear bumper - D.O.T. specifications with slide plate and gripstrut steps for access to rear door closures
Unit finish - Polished Tank Finish - Orange: Same color code as used on C-2722 Complete sandblasted, two (2) coats primer paint, two (2) coats of finish paint, Dupont Centari- acrylic urethane enamel, one (1) colour
Fire extinguisher - One (1) suitable for hydrocarbon service
Placards - Set of four (4) multi-purpose
Anti-static reel - One (1) static ground cable, 25' with clamp
High vacuum blower - Robuschi 105 Tri-lobe with enclosure
- Capacity 2600 CFM - free air
- Capacity 2100 CFM at 15"
- Capacity 1500 CFM at 24"
- Maximum vacuum 27"
- Additional 2” ball valve in intake to regulate air and easy reach for operator
Manifold - Intake cooling and discharge
Silencers - Cooling silence, Discharge silencer
Check valve - To prevent blower back spin
Filter - Cartridge type
4-way valve - Vacuum and pressure - 6" ports max 8 p.s.i.
Auxiliary Diesel 200 HP - John Deere-Tier 4 Final 4 cylinder Water Cooled with clutch, fuel pump, fuel tank be sized to run 24 hours continuous with 3” filler neck mounted to driverside, alternator, batteries, gauges, and
controls are all easy reach from ground level for operator, belt drive blower from clutch.
(All Controls on Driverside) Mounted Front of trailer, John Deere to have enclosure, and cold start package
Auxiliary vacuum/pressure pump - PV-750, 410 CFM @ free air, ballast port cooling 28” Hg maximum vacuum, 25 psi maximum pressure. Four way valve for vacuum and pressure. Check valve and oil catch muffler. External moisture trap with 5” stainless steel floatball and 2” drain valve. 3” air operated isolation valve with continuous grounded vacuum lines looped to rear. No disconnecting required when dumping.
Hydraulic system - Hydraulic reservoir.
Vented filler cap, filter and suction strainer, sight level tube. Hydraulic pump driven from air p.t.o. Valve bank to operate: dump body hoist, rear door, vacuum pump, and vibrators, oil pressure gauge and pressure relief valve 3/4” drain in oil tank.
- Vibrators to work independently or together.
- Hydraulic oil cooler with fan assembly
