KSB Amarex User Manual

9 Related Documents
73 of 82
Amarex
2573.820/02-EN
9.4 Flamepaths on explosion-proof motors
Table33: Overview of flamepaths
Sizes Pump set
Motor sizes:
NG 08
NG 09
Cable entry Cover Shaft Pump casing
Flamepath number 1 2 3 4
Length of flamepath [mm] ≥ 12,5 ≥ 12,5 ≥ 12,5 ≥ 12,5
Inside diameter (drilled hole) [mm] 32 174 30 120
Outside diameter (shaft) [mm] 32 174 29,9 120
Tolerance ISO inside diameter H8 H7 - H8
Tolerance ISO outside diameter - g6 - g6
Tolerance in µm inside diameter to
DINISO286/2
Maximum 39 40 - 54
Minimum 0 0 - 0
Tolerance in µm outside diameter
to DINISO286/2
Maximum - -14 - -12
Minimum - -39 - -34
Tolerance in µm inside diameter Maximum - - 20 -
Minimum - - 0 -
Tolerance in µm outside diameter Maximum -25 - -60 -
Minimum -75 - -80 -

KSB Amarex Specifications

General

Material	Cast iron, stainless steel
Operating mode	Continuous
Type	Submersible Pump
Application	Sewage
Explosion protection	Available with explosion protection
Frequency	50 Hz, 60 Hz
Impeller Type	Multi-vane