Richter MNKA Series, Installation And Operating Instructions Manual

Page: 4 / 40

Series MNKA bearing pedestal assembly 4
Page 4
9250-003-en Revision 01
TM 10458 Published 06/2022
1.1 Tightening torques
Screws lubricated, tighten crosswise.
Housing screws 901/3
Housing end
pressure
Number x size
Tightening
torque
[DIN/ISO] [in-lbs] [Nm]
cl 150
cl 300
PN 16
PN 25
16 x M20 1600 180
Pipeline screws
Flange according to ASME cl 150
DN Number x size Tightening torque
[inch] [mm] [ASME] [in-lb] [Nm]
1 ½ 40
4 x ½“
135 15
2 50
4 x ⅝“
220 25
3 80
4 x ⅝“
400 45
4 100
8 x ⅝“
310 35
6 150
8 x ¾“
670 75
Flange according to ASME cl 300
DN Number x size Tightening torque
[inch] [mm] [ASME] [in-lb] [Nm]
1 ½ 40
4 x ¾“
220 25
2 50
8 x ⅝“
135 15
3 80
8 x ¾“
310 35
4 100
8 x ¾“
400 45
6 150 12
x ¾“
490 55
Flanges according to ASME, drilled according to
DIN/ISO PN16
DN Number x size Tightening torque
[inch] [mm] [DIN/ISO] [in-lb] [Nm]
1 ½ 40 4 x M16 180 20
2 50 4 x M16 270 30
3 80 8 x M16 220 25
4 100 8 x M16 310 35
6 150 8 x M20 620 70
Flanges according to ASME, drilled according to
DIN/ISO PN25
DN Number x size Tightening torque
[inch] [mm] [DIN/ISO] [in-lb] [Nm]
1 ½ 40 4 x M16 180 20
2 50 4 x M16 270 30
3 80 8 x M16 270 30
4 100 8 x M20 450 50
6 150 8 x M24 890 100
1.2 Type plate, dry running, ATEX
and housing marking
The stainless steel type plate is securely riveted
onto the bearing pedestal:
When the operator affixes its marking, make sure
that the pump matches the application required.
Type plate example:
Dry running:
ATEX marking:
Housing marking:
Can be identified on the housing according to DIN
EN 19:
♦
Nominal width
♦
Nominal pressure
♦
Housing material
♦
Manufacturer's logo
♦
Melt number/foundry mark
♦
Casting date
1.3 Spare parts
Spare parts are designed for two years of
continuous operation in accordance with DIN
24296 and in consultation with the manufacturer.
Manufacturer /
Manufacturing country
Series
Size
CE marking
Year of manufacture /
Richter factory no.