New categories for the dust technical evaluation of industrial vacuum systems, Dedustern, sweep vacuum machines

Before:

ZH 1/487, BG-wood, TRGS 519

suitable for:

Since 1/97:

EN 60335-2-69, IEC 335-2-69

Application Category

Max.

admission rate

Dust class

Max.

admission rate

U

5%

-dust with MAK-figures > 1 mg/m³

L

1%

S

1%

-dust with MAK-figures > 0,1 mg/m³

M

0,1%

G

0,5%

-dust with MAK-figures > 0,1 mg/m³

C

0,1%

dust with MAK-figures > 0,1 mg/m³ and carcinogenic substances acc. § 35 GefStoffV

G

0,5%

-dust with MAK-figures <= 0,1 mg/m³

H

0,005%

C

0,1%

-dust with MAK-figures <= 0,1 mg/m³ and carcinogenic substances acc. § 35 GefStoffV

K1

0,05%

- carcinogenic dusts (§35 Gef Stoff V) incl. particularly dangerous carcinogenic substances acc. §15a GefStoffV

K2

0,05%

-dusts, who are contaminated with pathogenic

Additional requirements

0,05%

Asbestos

Additional requirements in Germany

Look H

B1

Germany

Look to corresponding category

(S,G,C or K)

Explosive dusts, explosion class St1,St2, and St3 in Zone 11St1, St2, and St3 in Zone 11

B1

(Germany)

Look at corresponding dust class(M or H)

H2

Germany

0,2 mg (wood) per m³ (air)

Wood dust (*)

M

0,1%

(*) in Germany over 1200W and/or 50 litre of the dust collecting vessel category B1 is required