Belarus Round Spiral Duct

Model: DF-BWG Diameter: 35-150mm0.25-0.4mm Type: Double Wall Material: Galvanized Steel

Category:

BelarusMaterials

Product Description

Prestressed ducts are divided into two types: prestressed plastic ducts and prestressed metal ducts. The prestressed metal duct can be made of two materials, the black (Carbon) steel strip, and the other is galva- nized steel strip.

spiral flat steel pipe
Inner Length (mm)	52	67	76	65	74	90
Inner Width (mm)	19	19	19	22	22	22

spiral round steel pipe
Inner Diameter (mm)	35	40	45	50	55	60	65	70	75	80	85	90	95	100	105	110	115	120	125	130
Outter Diameter (mm)	40	45	50	55	60	65	70	75	80	85	90	95	100	105	110	115	120	125	130	135