| Customization: | Available |
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| Material: | Stainless Steel |
| Usage: | for Air Conditioner |
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Spiral duct coupling Galvanized steel circular backdraught shutters with aluminium, blades for mounting in between 2 ducts. Spiral duct coupling is easy installation for spiral ducts by duct coupling, cost savings. We can also supply other products for duct work, such as spiral duct, elbow, reducer, flanges and other duct fittings.
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size |
d |
H |
|
80 |
78.8 |
45 |
|
100 |
98.8 |
45 |
|
125 |
123.8 |
45 |
|
150 |
148.7 |
45 |
|
160 |
158.7 |
45 |
|
180 |
178.5 |
45 |
|
200 |
198.6 |
45 |
|
250 |
248.5 |
45 |
|
300 |
298.4 |
45 |
|
315 |
313.4 |
45 |
|
355 |
353.3 |
45 |
|
400 |
398.3 |
45 |
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