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ATEX zone 22HEPA H14 as standardAutomatic filter cleaning
Delfin CUBE 20 K4 PN Z22 dust collector
Stationary ATEX dust collector · Delfin

CUBE 20 K4 PN Z22

Dust collector for explosive atmospheres.

The larger CUBE for ATEX zone 22 areas: 4 kW, 3,500 m³/h and automatic filter cleaning during suction.

3,500m³/hMax. air flow
370mmH₂OMax. negative pressure
Ø200mmSuction inlet
4kW400 V, 50 Hz
II 3D Ex h IIIC T80°C (int) / T135°C (ext) X Dc

ATEX zone 22 areas; Dust with a minimum ignition energy (MIE) above 3 mJ.

€17,402 List price excl. VAT, for business customers. Freight and installation not included.

Ask about this model SpecificationsDownload factsheet (PDF)

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123.

Before you choose

Where may it be used?

The limits as stated in the marking and the manufacturer’s documents. Your own zone classification decides.

Permitted

  • ATEX zone 22 areas
  • Dust with a minimum ignition energy (MIE) above 3 mJ

Not permitted

  • Zones 0, 1 and 2 (gas) and zones 20 and 21 (dust)

Not sure about your zone or dust?Tell us what you know. We help you choose.

Ask us

What the zones meanZones, dust groups and the minimum ignition temperature explained in short.

ATEX zones in the wiki

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123.

Filtration

Filters and cleaning.

How this machine filters the air and how the filter is kept clean.

Primary filter

Cartridge filters, polyester Teflon ANT M, 200,000 cm².

Secondary filter

HEPA H14.

Filter cleaning: Automatic compressed-air cleaning, 5 bar.Filter cleaning

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123.

Technical data

Specifications.

The data for the CUBE 20 K4 PN Z22, with the source below. Air flow is the manufacturer’s maximum at the stated inlet.

Technical data for Delfin CUBE 20 K4 PN Z22
ModelThis pageCUBE 20 K4 PN Z22
Performance
Inlet and max. air flowØ200 mm → 3,500 m³/h
Max. negative pressure370 mmH₂O
Power4 kW
Voltage, frequency400 V, 50 Hz
Filtration
Primary filterCartridge filters, polyester Teflon ANT M, 200,000 cm²
HEPA filterHEPA H14
Filter cleaningAutomatic compressed-air cleaning, 5 bar
Machine
Container90 l
Dimensions135 × 87 × 254 cm
Weight360 kg
Noise level75 dB(A)
Protection ratingIP65
ATEX
MarkingII 3D Ex h IIIC T80°C (int) / T135°C (ext) X Dc
Item codeZ22CUBE20K4PN-001
Price
List price excl. VAT€17,402

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123. Where sources differ, the declaration and the manual apply. Price: Delfin price list 2026, p. 123.

Ask about this model
ATEX

The marking and its source.

The marking as stated in the manufacturer’s documents for this model.

Marking

II 3D Ex h IIIC T80°C (int) / T135°C (ext) X Dc

  • Marking as in the manual, section 2.4.1. The declaration in the manual names only the K2 code.
ATEX zones explained

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123.

Options and accessories

Make it fit your process.

Options from the manufacturer, and the right hose for the inlet. No prices: ask us for an offer.

Options, filters and accessories

What Delfin supplies for this model, with Delfin’s code. No prices: ask us for an offer.

Construction

AISI 304 stainless steel collection tankX
AISI 304 stainless steel filter chamber, collection tank, cover and frameXXX
Earth grounding (included)MT

Control

24 V remote control (with electrical panel if not installed)LOC REM

Accessories

Articulated extraction arm Ø150, 3,000 mmTA.0177.0000
Articulated extraction arm Ø200, 3,000 mmTA.0511.0000

Source: Delfin price list 2026, p. 123; icons from Delfin.

Extraction arms and connections

Codes from the manufacturer’s price list.

Ø150, 3,000 mmTA.0177.0000
Ø200, 3,000 mmTA.0511.0000

Hoses

Match the hose diameter to the inlet. The hose must take the machine’s maximum vacuum at that diameter.

Hoses for dust extractionCP and AIRDUC hoses, with resistance class and vacuum limit for each diameter.

Need an option or a different version?

Ask about options

Source: Delfin manual Z22 CUBE 20 K2-K4 PN (EN), sections 2.4.1, 4.4 and 7.3.3; Delfin price list 2026, p. 123.

Documents

Datasheet and documents.

For buyers, safety staff and the people who run the machine. We make our own datasheets and do not publish the manufacturers’ files.

Datasheet · EN

Particulair datasheet

Our own datasheet for this model, with the data from the manual and the price list.

In preparation
Checklist · EN

Service checklist

All checks with their intervals, with columns for date and initials. Keep it by the machine.

2 pages · 0.2 MBDownload ↓
Need information from the manual, the EU declaration of conformity or a filter certificate?Ask us

Datasheet and service checklist: Particulair, based on the manufacturer’s documents.

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Need help finding the right dust collector for your process?

We're ready to advise on selection and sizing.

+45 70 23 12 03sales@particulair.com