Kobold NBK-ATEX, Operating Instructions Manual

Page: 3 / 57

NBK-03 to -33 ATEX
NBK-03 to -33 ATEX K10/0322 page 3
2. Note
Please read these operating instructions before unpacking and setting the unit into
operation. Follow the instructions precisely as described herein.
The instruction manuals on our website www.kobold.com are always for currently
manufactured version of our products. Due to technical changes, the instruction
manuals available online may not always correspond to the product version you
have purchased. If you need an instruction manual that corresponds to the
purchased product version, you can request it from us free of charge by email
(info.de@kobold.com) in PDF format, specifying the relevant invoice number and
serial number. If you wish, the operating instructions can also be sent to you by
post in paper form against an applicable postage fee.
The devices are only to be used, maintained and serviced by persons familiar with
these operating instructions and in accordance with local regulations applying to
Health & Safety and prevention of accidents.
When used in machines, the measuring unit should be used only when the
machines fulfil the EC-guidelines.
Classification according to Pressure Equipment Directive 2014/68/EU
NBK-03 to NBK-33
Category assignment for dangerous media (from diagram 1)
Density
[kg/dm³]
PN
[bar
]
Category ML
[mm]
Category ML
[mm]
Category ML
[mm]
NBK-03
1,0
16
← Cat. II →
4711
← Cat. III →
6000 - / -
0,9/0,8/0,7/
0,6/0,54
4600 6000 - / -
NBK-06
1,0
40
1698 6000
← Cat. IV →
∞
0,9/0,8/0,7 1588 6000 ∞
NBK-07
1,0
63
1060 6000 ∞
0,9/0,8/0,7 950 6000 ∞
NBK-10
1,0
100
577 4084 ∞
0,9/0,8 467 3974 ∞
NBK-31
1,0
160
≤2090 5600
0,9 ≤2020 5600
0,8 ≤1900 5400
NBK-32
1,0
250
≤1180 5600
0,9 ≤1110 5600
0,8 ≤985 5400
NBK-33
1,0
320
≤1040 5600
0,9 ≤970 5500
0,8 ≤830 5400
ATTENTION! If the calculated bypass length is exactly within the range limit, then the stricter test method must be used