Description

A heavy-duty, high-capacity industrial vacuum cleaner designed for large-scale debris, liquid spills, and fine dust in demanding workshop and construction environments. The “70” typically refers to its 70-litre (approximately 18.5-gallon) collection tank capacity.

How It Works
A powerful, induction-type motor (often single-phase 110V/220V) creates strong suction. Airflow carries debris through a hose into a large, durable collection tank, where a filter system (for dry use) separates particles, and liquids are collected directly in the tank when the filter is removed.

Key Features & Specs

Capacity: 70-Litre steel or polyethylene tank. Large capacity reduces frequent emptying.

Motor Power: High amperage (10-15A) motor for strong suction and lift (measured in CFM and “inches of water lift”).

Wet/Dry Function: Can suction liquids when the filter is removed and a float valve (if equipped) closes to prevent motor damage.

Filtration: Uses a cartridge filter (for fine dust), foam sleeve (for wet use), and often a HEPA filter option for hazardous dust like asbestos, silica, or brake dust.

Accessories: Large-diameter hoses (1.5″-2.5″), floor/wall brushes, crevice tools, and sometimes a blower function.

Primary Workshop Uses

Major Spill Cleanup: Oil, coolant, or water spills.

Construction Debris: Drywall dust, sawdust, concrete chips.

Workshop Maintenance: Metal shavings, sanding dust (bodywork), general shop-floor cleaning.

Vehicle Interiors: Deep cleaning of dirt and debris from cars and vans.

System Evacuation: Can be used for brake bleeding (with a special kit) or A/C system evacuation (with a proper oil-less vacuum pump setup).

Critical Safety & Operational Rules

Use Correct Filtration: ALWAYS use the dry filter for dust/debris and remove it completely before sucking liquids. For fine hazardous dust, a HEPA filter is mandatory.

Check & Empty Frequently: Do not overfill the tank, especially with liquids. A full tank drastically reduces suction and can damage the motor.

Secure the Lid: Ensure the tank lid gasket is clean and the lid is clamped down securely. Any air leak destroys suction.

Ground for Flammable Dust: When vacuuming highly combustible dust (e.g., fine aluminum, magnesium powder), use a properly grounded, explosion-proof model. Standard vacs can create static sparks.

Power Cord Safety: Keep the heavy-duty cord clear of sharp edges, hot surfaces, and fluids.

Maintain the Motor: Keep the motor cooling vents clear of dust. Check and clean/replace filters regularly.

Lift with Care: A full 70L tank is extremely heavy (water weighs ~70 kg / 154 lbs). Use proper lifting technique or a mobile dolly.

Bottom Line
A 70-litre wet/dry vacuum is the workhorse of industrial and automotive shop cleanup. Its high capacity and powerful suction make it indispensable for maintaining a clean, safe, and efficient workspace. Its versatility is key, but correct filter use, regular maintenance, and respect for its weight and electrical demands are essential for safe, effective, and long-lasting operation.