Appendix
Parameter
Shaft seal
version
Values
Buffering medium
pressure
1.5–2.0 bar ove r
pressure in the
suction casing
Flow rate (regulation
takes place via
temperature values)
Exit
temperature
• ≤ 60 °C
• 30 K below
boiling
temperature
at working
pressure
Max. permissible
temperature
difference between
entry and exit
G0D/G1D
15 K
Tab. 19 Operating parameters for double-action
mechanical seal
Parameter
Shaft seal
version
Values
Max. permissible
pressure difference
between quench
medium pressure
and suction casing
pressure
0.5 bar
Max. permissible
quench medium
pressure
G0Q / G1Q
3bar
Tab. 20 Operating parameters for mechanical seal
with quenching
Operating parameters of the cooling and heating medium
Parameter Values
Type Liquid medium:
Must not cause corrosion of
the parts it contacts
Max. permissible cooli ng
and heating medium
pressure
6 bar
Max. permissible cooli ng
temperature
-40 °C
Max. pe rmissible hea ting
temperature
+150 °C
Tab. 21 Ope r ating parameters for th e cooling and
heating medium
The m inimum and maximum temperatures depend
on the
materials and lubricants used.
9.2.5 Lubrica nts
Lubrication point Lubricants
Joints of the
universal joint shaft
• ALLWEILER special joint oil
type B
• ALLWEILER special joint oil
type BL for food
Antifriction bearing
Rolling bearing greases accordin g
to DIN 51825, mark K3K-20
Spur gears Industrial g ear oil CLP 220 according
to DIN 51517, Part 3
Tab. 22 Lubricants
9.2.6 Lub rication quantities (RG design )
Gear oil for the spur gear
The mechan ics are described in the pump typ e identification
on the nameplate.
Lubrication quantity [l]
Size
N-mechanics H-mechanics
200 1.3 1.8
380 1.8 2.1
0750 2.5 4
1450 4.0
5.5
2700
7.5
13
5000 15
–
Tab. 23 Lubrication quantities for spur gea rs (RG)
Oil for the drive seal
The mechan ics are described in the pump typ e identification
on the nameplate.
Lubrication quantity [l]
Size
N-mechanics H-mechanics
200 0.05 0.12
380 0.12 0.12
0750 0.12 0.2
1450 0.2 0.2
2700 0.2 0.2
5000 0.2
–
Tab. 24 Lubric ation quantities f or drive seals (RG)
48 AE BA-2020.05 en-US 260371 – 176-982/0