Ningbo Aier Ventilation Equipment Cp., Ltd

Size :80mm, 100mm, 125mm, 140mm, 150mm, 160mm, 180mm, 200mm, 225mm, 250mm, 280mm, 300mm, 315mm, 355mm, 400mm, 450mm, 500mm, 560mm, 600mm, 630mm, 710m

Material: Gavlnized steel DX51 D+Z 275 and Gavlnized steel DX51 D+Z 80 are avaliable Size:180x80MM, 200X100MM;250X150MM;300X200MM;400X300MM;500X400MM

Designed for easy measuring and balancing of air flows in circular ducts, regulation of air flow volume Casing Leakage Class C (EN1751) sizes 100, 1

We are one of the largest ventilation manufactures in China and ceiling grills SD-CA, SD-CB, SW and SD-B series are avaliable Sizes: 300mm 400mm 500m

Metal Air Valve supply/Exhaust, air intake, air grilles, air diffusion 1. Size: 80mm, 100mm, 125mm, 150mm, 160mm, 200mm, 250mm. 2. Metal valves body

Hole size(L*W): 240x150mm 375x240mm 500x368mm 649x500mm Material: Gavlnize...

Dial regulator for HVAC Specifications Damper Quadrant / Dial Regulators are used to control Air volume in HVAC Systems Material:SPCC+ZN coatin

we are one of the largest ventilation parts manufactures in China and holder V, R, Z, L types are avaliable. Specifications Material :Q235+ Zn Coati