1 tightening torques, 2 type plate, dry-running, atexandhousing markings, 3 spare parts – Richter MNK Series User Manual
Page 4: Tightening torques, Markings, Spare parts

Series MNK 200-150-315
Page
4
9230-053-en
Revision 12
TM 8195
Edition 03/2011
Temperature range :
- 60 °C to + 150 °C
Note: Consult the manufacturer for higher pressures
and lower or higher temperatures.
Temperature classes :
see Section 2.6.7.
Admissible ambient conditions for pumps
acc. to directive 94/9/ EG (ATEX 95) :
Ambient temperature range: - 20 °C to + 40 °C
(higher temperature after consulting the manufacturer)
Ambient pressure range: 0,8 bar
abs
to 1,1 bar
abs
Noise capacity level :
L
WA
= K 70 dB acc. to
DIN EN ISO 9614-2
Sizes:
200-150-315
Weight :
See data sheet
Dimensions :
See installation drawing
1.1 Tightening torques
Screws greased, tighten in diametrically opposite
sequence
Housing screws 901/3
Housing discharge
pressure
No. x size
Tightening
torque
[DIN/ISO]
[Nm]
PN16
16 x M 20
125
PN 25
16 x M 20
170
150 lbs
16 x M 20
145
Pipe screws, flanges to DIN/ISO
PN 16
DN
No. x size
Tightening torque
[mm]
[DIN/ISO]
[Nm]
[in-lbs]
150
8 x M 20
65
575
200
12 x M 20
100
885
Pipe screws, flanges to DIN/ISO
PN 25
DN
No. x size
Tightening torque
[mm]
[DIN/ISO]
[Nm]
[in-lbs]
150
8 x M 24
100
885
200
12 x M 24
115
1018
Pipe screws, DIN/ISO flanges drilled to ASME
150 lbs
DN
No. x size
Tightening torque
[mm] [inch]
[ASME]
[Nm]
[in-lbs]
150
6“
8 x ¾“
80
708
200
8“
8 x ¾“
115
1018
1.2 Type plate, dry-running, ATEX-
and housing markings
The stainless steel type plate is firmly riveted to the
housing:
If the operator attaches his identification, it must be
ensured that the pump matches the application in
question.
Example of type plate:
Dry-running:
ATEX marking:
Housing identification:
The following are visible on the housing according to
DIN EN 19:
Nominal size
Rated pressure
Housing material
Manufacturer's identification
Melt number/Foundry identification
Cast date
1.3 Spare parts
Spare parts for two years of continuous operation in
accordance with DIN 24296 and in consultation with
the manufacturer