Type Key; Torques - Grundfos BMS Series Service Instructions Manual

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2.2 Type key

Example
Pump
BMS
BMSX include X-changer and
BM hp pump
BMST include BMT pump
Rated pump flow rate [m
Number of stages
Type
hs High-pressure pump with high-speed
hp High inlet pressure
Motor
E PM
Materials Sleeve/pump/motor
C 1.4539/904L
Code for rubber part
P NBR
Shaft seal
A Tungsten carbide/carbon

3. Torques

This section shows the screws and nuts that must be tightened to
a certain torque and the lubricants to be used.
Pos. Designation
377b Hexagon screw
352c Hexagon head screw
Hexagon socket head
374b
cap screw
41 Hexagon head screw
220 Hexagon cap screw
BMS 30 -26 hs -E -C -P -A
3
/h]
Dimensions
Quantity
[mm]
8 M16 x 45
4 M10 x 40
2 M6 x 25
4 M10 x 40
4 M12 x 30
Torque
[Nm]
140
33
6
33
70
3