Description
Product Model And Significance
| 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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