Spiral Duct Coupling

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.

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

2635

Product Description


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.

Application:


1, spiral duct(Slip Joint Way)

2, stainless steel

3, galvanized steel material.

4, For airflow control in ventilation systems

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