Cemsa S.p.A. has designed two new machines for the longitudinal seam welding of circular and rectangular ducts for the HVAC sector. The MRL F 1000 SQ TOL for square tubes allows welding of ducts with ...

Pipe ends are male fittings and will fit inside female ducting fittings such as 90 degree bends. Lengths of duct channel can be joined together using a female connector. Use flat channel ducting clips ...

We use duct manufacture auto line with latest software and advanced equipments to fabricate rectangular duct.This allows us to provide incredibly short lead-times and competitive pricing,while ...

We have written before that round spiral duct should be your first choice for a rooftop HVAC duct system. The round shape reduces snow accumulation and accelerates rain runoff compared to rectangular ...

Getting something for nothing is rare, but by switching from traditional rectangular ductwork to spiral, you can do just that. Spiral ductwork is cheaper to install and cheaper to use throughout the ...

GREVIE, Sweden, May 2, 2023 /PRNewswire/ -- Lindab acquires the British company Firmac Ltd, which is the European leader in machines for manufacturing of rectangular ventilation ducts. Through its ...

Abstract: Liquid metal magnetohydrodynamic (MHD) flows through the electrical coupling rectangular ducts are investigated based on a fully developed modeling. Numerical simulations of four different ...