9 Related Documents
74 of 84
Amarex N
2563.84/08-EN
9.4 Flamepaths on explosion-proof motors
Table 32:
Overview of flamepaths
Sizes
Pump set
DKN 82
50-170
50-172
65-220
3
1
2
Shaft
Pump casing
Cable entry
Flamepath number
1
2
3
Length of flamepath [mm]
≥ 12.5
≥ 12.5
≥ 12.5
Inside diameter (drilled hole) [mm]
30
142
32
Outside diameter (shaft) [mm]
29,9
142
32
Tolerance ISO inside diameter
F7
H8
H8
Tolerance ISO outside diameter
-
g6
-
Tolerance in µm inside diameter to
DIN ISO 286/2
Maximum
+41
+63
+39
Minimum
+20
0
0
Tolerance in µm outside diameter to
DIN ISO 286/2
Maximum
-
-14
-
Minimum
-
-39
-
Tolerance in µm inside diameter
Maximum
-
-
-
Minimum
-
-
-
Tolerance in µm outside diameter
Maximum
-40
-
-25
Minimum
-60
-
-75
Summary of Contents for Amarex N series
Page 80: ...Index 80 of 84 Amarex N 2563 84 08 EN W Warnings 7 Warranty claims 6...
Page 81: ......
Page 82: ......
Page 83: ......
