Warning hot surface
This sticker warns of injuries caused by high temperatures as a
result of contact without protection during operation.
Warning of magnetic field
This sticker warns of injuries to people with pacemakers.
Tbl. 1:
Stickers on the product
1
2
3
4
5
6
Fig. 1:
Position of the stickers on the product
1 Rating plate
4
Filling up lubricant note
2 Magnetic field warning sign for M version
5
Note D1/F5 lubricant
3 Direction of rotation arrow (cast in the cover)
6
Hot surface warning sign
1.3.4 Abbreviations
Abbreviation
Explanation
PTC
Temperature-dependent resistor (Positive Temperature Coefficient)
M version
Roots pumps with magnetic coupling
RSSR
Radial shaft seal ring
WAF
width across flats
E
Clearance between both coupling halves
GGG
Spheroidal graphite cast iron
GG
Cast iron with lamellar graphite
FPM
Fluoropolymer rubber
PN
Nominal pressure stage (pressure nominal)
ISO
International Organization for Standardization
DIN
German Institute for Standardization (Deutsches Institut für Normung)
f
Rotation speed value of a vacuum pump (frequency, in rpm or Hz)
p
Intake pressure or general pressure in [hPa]
OI
Operating instructions
SI
Service instructions
Tbl. 2:
Abbreviations used
About this manual
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