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ATEX Approved PARA-FLEX Couplings
These instructions do not cover all details or variations in
equipment nor provide every possible contingency or hazard
to be met in connection with installation, operation, and
maintenance. Should further information be desired, or should
particular problems arise which are not covered in this manual,
the matter should be referred to your local ABB representative.
DODGE Elastomeric couplings are manufactured under the
guidelines of the ATEX directive 2014/34/EU.
DODGE Elastomeric couplings are suitable for ATEX category
2 and M2, Group II and I for gas and dust environments
and are also suitable for ATEX category 3 for all gas or dust
environments with ignition temperatures higher than T5 = 100°
C.
A sticker indicating ATEX certification will be attached to the
product or on the box containing the product and will be similar
to the following:
Coupling Size
PX40
PX50
PX60
PX70
PX80
PX90
PX100
PX110
PX120
PX140
PX160
PX200
PX240
PX280
PX320
Coupling Size
PXM 40
PXM 50
PXM 60
PXM 70
PXM 80
PXM 90
PXM 100
PXM 110
PXM 120
PXM 140
PXM 160
PXM 200
Inch Set Screw Size
#0
Torque (lb-in)
1
Torque (Nm)
0.1
Metric Set Screw Size
M4
Torqe (in-lbs)
19
Installation Torque (Nm)
2.2
Table 1 - Mounting Dimensions
Clamp Ring Screw Wrench Torque (lb-in)
Flange Style
Two-Piece
130
130
290
290
290
480
480
480
1080
1080
2160
2160
3600
4320
4320
Clamp Ring Screw Torque (Nm)
Thread Size
Flange Style
Two-Piece
M6
15
M6
15
M8
36
M8
36
M8
36
M10
72
M10
72
M10
72
M12
125
M12
125
M16
311
M16
311
#1
#2
#3
#4
#5
1.8
1.8
5
5
10
0.2
0.2
0.6
0.6
1.1
M5
M6
M8
M10
M12
35
64
150
290
480
4
7.2
17
33
54
WARNING: These couplings are designed to operate with surface
temperatures below 100°C when properly installed and selected.
Excessive temperatures greater than 80°C is a result of an
abnormal operating condition caused by:
1.
Improper installation - refer to installation manual for
proper procedures
2.
Excessive misalignment - re-align coupling / shafts
3.
Failure of the coupling element - replace elastomeric
4.
Excessive speed - re-evaluate application and selection
5.
Excessive vibration - determine source, re-evaluate
application
If applied in a Division 1 or Zone 1 environment, the excessive
temperature may cause ignition of hazardous materials.
Distance Between Flanges
Flange Style
Three-Piece
130
130
290
290
290
480
480
480
1080
1080
1150
2400
4020
6600
6600
Flange Style
Three-Piece
15
15
36
36
36
72
72
72
125
125
130
271
Table 2 - Set Screw Torque
#6
#8
#10
1/4
10
20
36
87
1.1
2.3
4.1
9.8
M16
M20
1190
2100
134
237
3
Figure 9 - ATEX Certification
B (in)
49/64
31/32
1-9/32
1-1/2
1-1/2
1-17/32
1-23/32
1-9/16
1-3/4
2-1/16
2-11/16
3-5/16
3-29/32
4-7/32
4-1/2
Distance Between
Flanges "B" (mm)
19.4
24.6
32.5
38.1
38.1
38.9
43.7
39.7
44.5
52.4
68.3
84.1
5/16
3/8
7/16
1/2
9/16
165
290
430
620
1325
18.6
32.8
48.6
70.1
149.7 271.2 587.5 813.5
OR
Total Difference
See Figure 8 (below)
C (in)
1/64
1/64
1/64
1/64
1/64
1/32
1/32
1/32
1/32
1/32
1/16
1/16
1/16
1/16
1/16
Total Difference
"C" (mm)
0.4
0.4
0.4
0.4
0.4
0.8
0.8
0.8
0.8
0.8
1.6
1.6
5/8
3/4
7/8
2400
5200
7200