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The power of this system comes from the pneumatic powerhead which supplies compressed air to the explosion proof twin venturi's that are sitting attached to the galvanised steel lid under the yellow silencer hood. The sound signature is between 89-95dB depending on the internal baffles uses. The more power required the thinner the baffles used which slightly increases the sound signature.
The reverse filter cleaning can be activated by disconnectiing the power hose from the DLV unit to the cyclone drum. Then attaching the compressed air line to the second (yellow) air fitting and then turning the ball valve. This supplies compressed air into the reverse jets that blast compressed air through the filter from the inside. Fitting a dust bag on the suction intake of the DLV drum will capture most of the expelled dust from the filter.
The unique design of the reverse venturi's means that the drum cannot over pressurize when in reverse mode. Pressure is released though the throat of the ventuirs and the exhaust ports.
Close up view of the two ball valves on the back of the Reverse Drum Lid Vacuum.
| TECHNICAL SPECIFICATIONS - EXPLOSION PROOF dry vacuum | |
| AIR SUPPLY MIN | 200 CFM |
| AIR SUPPLY FITTING | 3/4 "- 1" |
| VACUUM FLOW | 260 CFM |
| VACUUM RATING INCHES MERCURY | 17" MAX |
| VACUUM RATING MILLIBARS | 575 MB |
| FILL/PUMP OUT 44/55/205 DRUM | 90 SECONDS |
| VENTURI TYPES | TWIN REVERSE |
| MAX SUCTION HOSE 1.5"/38MM | 15-20 METRES |
All units are supplied with explosion proof suction hose, anti-static filter cartridge, anti-static wands and fittings.
The base plate for the dry filter upgrade bolts to the galvanised steel lid and has three laser cut holes which allows the suction tubes from the ventuir's to poke through. The float valves for automatic fluid shut off screw onto these tubes.
DRUM LID VACUUM - EXPLOSION PROOF INCLUSIONS - (includes 2 x Heavy Duty reinforced steel 205 drums);
