- Smooth connection between flange and pipes
- The interior of the flange is welded in a circle and polished,NO welding slag.
- Sensor position not protrude inside surface of flange
- Flange thickness we used is 10mm,12mm and 15mm,the deformation coefficient of the flange surface within 0.5mm
- TWICE weld make sure the firmness and gilding surface,weld joint size less than 6mm
- Inside of pipe head polish 5cm,achieve better air flow and sound
- Exhaust bellows use crochet net transverse,reducing vibrate frequency
- Beautiful surface finish,polish or brush

