| Diaphragm type
coupling |
Model |
D(mm) |
L(mm) |
d1– Min.
aperture |
d2-Max.
aperture |
Instal-
lation screw |
L1(mm) | L2(mm) | L3(mm) | Screw tightening
touque(N.m) |
 |
|
XR2-D20L20-(3 to 8) | 20 | 20 | 3 | 8 | M3 | 9 | 2 | 4 | 2.1 | |
| XR2-D26L26-(4 to 12) | 26 | 26 | 4 | 12 | M3 | 11.8 | 2.4 | 4.1 | 21 | ||
| XR2-D32L28-(5 to 16) | 32 | 28 | 5 | 16 | M3 | 12.4 | 3.2 | 4 | 2.1 |
| Double diaphragm
coupling |
Model | D(mm) |
(mm) |
d1-d2 | Instal– lation screw |
L1 (mm) |
L2 (mm) |
L3 (mm) |
L4 (mm) |
Screw tightening touque(N.m) | ||
| Min.
aperture |
Max.
aperture |
|||||||||||
|
XR3-D20L28-(3 to 8) | 20 | 28 | 3 | 8 | M3 | 9 | 2 | 4 | 6 | 2.1 | |
| XR3-D26L35-(4 to 12) | 26 | 35 | 4 | 12 | M3 | 11.8 | 2.4 | 4.1 | 6.6 | 2.1 | ||
| XR3-D32L41-(5 to 16) | 32 | 41 | 5 | 16 | M3 | 12.4 | 3.2 | 4 | 9.8 | 2.1 | ||
| 8-shaped coupling |
Model |
D(mm) |
(mm) |
d1- Min.
aperture |
d2-Max.
aperture |
Instal-
lation screw |
L1 (mm) |
L2 (mm) |
L3 (mm) |
L4 (mm) |
Screw tightening touque(N.m) | |
|
XR8-D27L30
Back Pressure-(4to11) |
20 | 30 | 4 | 11 |
M4 |
9.3 | 6 | 28 | 32 | 25 | |
| XR8-D27L40-(4to11) | 20 | 40 | 4 | 11 |
M4 |
9.3 | 4 | 28 | 32 | 2.5 |
| Metal coupling |
Model |
D(mm) |
(mm) |
d1-d2 | Instal- lation screw |
L1 (mm) |
L2 (mm) |
L3 (mm) |
Screw tightening touque(N.m) | ||
| Min.
aperture |
Max.
aperture |
||||||||||
|
XR-D19L25-(4 to 8) |
19 |
25 |
4 |
8 |
M3 |
4 |
2 |
0.4 |
1.1 |
|
| Plastic coupling | Model | D(mm) | L(mm) | d1-d2 | Instal-lation screw | L1
(mm) |
L2
(mm) |
L3
(mm) |
Screw tightening touque(N.m) | ||
|
XR1-D15L22-(6×6) |
15 |
22 |
6 |
6 |
M3 |
1.3 |
1.8 |
0.9 |
2.1 |
|
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