Galvanized Round Joining Collar  Accessories For Air Ductwork  HVAC 

0.5mm-2.0mm stamping steel halves bend & completed pressed bend with edge  for dust extraction.

Modular ductwork fittings pressed bend with lip 6mm for dust collection, fume extraction and so on.

Completed bends with spot welding & half bends are both available.

Radius is 1.5 x diameter Pressed bend for duct extraction.

80-300mm are available

Highly efficient

1. smooth 2. efficient flow 3.reduced pressure loss 4.elimination of blockages. 

Bends are avaliable in 90°, 60°, 45°.30°, 15°.

R = 1.5 x D

1.0mm or 1.2mm

Galvanized steel, stainless steel, carbon steel or others are available.

We are one of the biggest and professional manufacturer of metal stamping parts in China, .with over 1, 000 stamping parts that are supplied to a wide variety of industries such as architecture, electronics and automotive etc. We can produce and process the stamping parts according to your any requirements of materials, specifications, shapes, surfaces, packagings( and so on). Here are our advantages: 1. Several years of experiences in producing and processing stamping part 2. Facilities: plenty of various machines, such as stamping machines, automatic stamping machines, punching machines, oil hydraulic pressing machines, bending machines, welding machines, meter lathes and so on 3. Materials: Carbon steel, stainless steel, copper, brass, aluminum and so on 4. Surfaces: zinc plated, chrome plated, electrophoresis, dacromet, powder painting and pickling and so on.