White Line • Large Wet Vacuum • ISO Class 4

Tiger-Vac CWR-ARU-15 (TC) POLY MRAC

Large electric ULPA U15 wet vacuum for safe recovery of acids and corrosive liquids in pharmaceutical production environments and cleanrooms classified to ISO Class 4. 47.3-litre acid-resistant polyethylene tank, EMI/RFI shielding and optional activated carbon filtration for chloride and acid vapour adsorption.

ULPA U15 — 99.999% at 0.12 µm (EN 1822 / IEST-RP-CC001) — aerosol leak-tested
ISO Class 4 compatible (ISO 14644-1)
47.3 L acid-resistant polyethylene tank with tilt cart (TC)
EMI/RFI shielded — suitable for use near sensitive analytical equipment
Optional activated carbon filter — 4 types incl. KINA 3® for chloride and acid vapours
Heavy duty 2-stage bypass motor — 1 kW / 240 V — air flow 189 m³/h

Tiger-Vac CWR-ARU-15 (TC) POLY MRAC — ULPA U15 wet vacuum for acids and corrosive liquids

ULPA U15 — EN 1822 / IEST-RP-CC001

ISO Class 4 (ISO 14644-1)

EMI/RFI shielded

CE — Machinery Directive 2006/42/EC

Acid-resistant polyethylene, nylon and PVC

What is the Tiger-Vac CWR-ARU-15 (TC) POLY MRAC?

The CWR-ARU-15 (TC) POLY MRAC is an electric wet vacuum from Tiger-Vac, designed for pharmaceutical production environments and cleanrooms classified to ISO Class 4, where safe recovery of acids, corrosive liquids and potentially hazardous fluids is required. The ULPA U15 filter — tested per IEST-RP-CC001 and EN 1822, with 99.999% efficiency at 0.12 µm — is individually aerosol leak-tested before leaving the factory. The acid-resistant polyethylene tank holds 47.3 litres, and EMI/RFI shielding makes the vacuum suitable for use near sensitive electronic and analytical equipment.

The designation MRAC stands for Manual Reset Automatic Cleaning, and POLY for the polyethylene tank. The tilt cart (TC) allows the operator to tip the tank forward for emptying and cleaning without lifting the heavy machine. The heavy duty 2-stage bypass motor delivers an air flow of 189 m³/h at a maximum vacuum pressure of 2,180 mmH₂O.

For handling chlorides, hydrogen fluoride (HF), hydrochloric acid (HCl) and other acid vapours, an optional activated carbon filter can be fitted. Four carbon types are available: standard activated carbon, Mersorb® for mercury vapours, KINA 3®/KOGC3 for chloride and acid vapours, and A-3 for arsine and phosphine. The carbon cartridge is placed between the liquid filter and the ULPA filter and requires a flanged ring assembly when the carbon cartridge is not fitted.

Important: The CWR-ARU-15 (TC) POLY MRAC is not ATEX-certified and must not be used in explosive atmospheres (Zone 0, 1, 2, 20, 21 or 22). For ATEX-classified areas involving acids and corrosive liquids, see the Tiger-Vac SS-ARU-15 EX (TC) MRAC.

Technical specifications

Parameter	Value
Filter class	ULPA U15 (EN 1822 / IEST-RP-CC001)
ULPA filter efficiency	99.999% at 0.12 µm • 99.9995% at 0.18 µm (MPPS)
Cleanroom compatibility	ISO Class 4 (ISO 14644-1)
Motor type	Bypass (heavy duty 2-stage)
Power	1,050 W / 1 kW
Voltage	240 V, 50 Hz, single phase
Amperage	5 A
Air flow	189 m³/h
Vacuum pressure max	2,180 mmH₂O
Sound level	75 dB(A)
Suction inlet	Ø38 mm (1.5″)
Liquid recovery capacity	47.3 L
Recovery type	Wet only
Tank material	Acid-resistant polyethylene
Cord length	10.6 m
Dimensions (LxWxH)	69 × 76 × 122 cm
Weight	49 kg
EMI/RFI shielding	Yes
ATEX	Not ATEX-certified

Included accessories

Tool kit

Included • Hoses, wands and nozzles

ULPA U15 filter

Part no. 211027B • Included

Liquid retention filter

Part no. 211749 • Included

Activated carbon cartridge

Part no. 212200B/C/K/L • Optional • 4 carbon types

Options

Activated carbon cartridge — standard (part no. 212200B) — 3 mm activated carbon for general vapour adsorption
Activated carbon cartridge — Mersorb® (part no. 212200C) — for mercury vapours
Activated carbon cartridge — KINA 3®/KOGC3 (part no. 212200K) — for chloride and acid vapours (HF, HCl etc.)
Activated carbon cartridge — A-3 (part no. 212200L) — for arsine and phosphine vapours
Flanged ring assembly (part no. 213673) — required when the carbon cartridge is not fitted
Cloth filter for dry recovery (part no. 211430) — for dry recovery applications
Nylon wand 48″ for ARU (part no. 381352) — 1.2 m extension
Floor tool (part no. 381380) — 36 cm ABS with nylon brushes

Questions and answers

What distinguishes the CWR-ARU-15 from a standard wet vacuum?

The CWR-ARU-15 is purpose-built for pharmaceutical environments with stringent filtration and material requirements. It combines ULPA U15 filtration retaining 99.999% of particles at 0.12 µm, acid-resistant construction in polyethylene, nylon and PVC, and EMI/RFI shielding that protects nearby analytical instruments from electrical noise. A standard wet vacuum typically offers neither ULPA filtration nor acid-resistant materials.

What is the activated carbon filter for, and which type should I choose?

The activated carbon filter is fitted when the recovered liquid releases vapours — typically when working with volatile acids or organic solvents. The carbon adsorbs these vapours before the exhaust air leaves the machine. For hydrochloric acid (HCl) and hydrogen fluoride (HF), use KINA 3® (part no. 212200K). For mercury vapours, choose Mersorb® (part no. 212200C). Standard activated carbon (part no. 212200B) covers general organic vapours. The cartridge should be replaced at intervals determined by exposure levels.

Can the CWR-ARU-15 be used in ATEX-classified areas?

No. The CWR-ARU-15 is electric and not ATEX-certified. It must not be used in areas with explosive atmospheres (Zone 0–2 for gas, Zone 20–22 for combustible dust). For ATEX-classified areas where acids are present, use the Tiger-Vac SS-ARU-15 EX (TC) MRAC instead, which is pneumatic and third-party ATEX-certified II 2GD, approved for Zone 1 (gas) and Zone 21 (dust).

What does Tilt Cart (TC) mean, and what is the advantage?

Tilt Cart (TC) is a tilting frame that allows the operator to tip the filled tank forward for emptying — without manually lifting a 47.3-litre tank plus its contents. This provides a significant ergonomic benefit and reduces the risk of spillage when emptying acids. The tilt cart is part of the standard construction and requires no tools.

What does MRAC stand for in the product name?

MRAC stands for Manual Reset Automatic Cleaning. This means the filter cleaning cycle is triggered automatically during operation, but must be manually reset by the operator before the next start-up. This ensures the operator actively confirms the machine status in accordance with GMP principles for documentation and process control.

What suction inlet and hose diameter does the machine use?

The CWR-ARU-15 uses a suction inlet of Ø38 mm (1.5″). The included tool kit is sized for this inlet with Camlock fittings and comprises a flexible suction hose assembly 38 mm × 3 m, drain hose, bent wands and crevice nozzles.

Is the CWR-ARU-15 (TC) POLY MRAC the right choice for your production?

We advise on wet vacuums for acids and corrosive liquids in pharmaceutical and life science environments with more than 30 years of experience. Call or write — the consultation is free and without obligation.