Ducts to transport air to subway work fronts or auxiliary ventilation. Among the types of ducts we find metallic ducts and PVC ventilation sleeves.
Polyester ventilation sleeve with PVC. Among the types of ducts available are positive pressure ducts, also called impeller ducts, and negative pressure ducts, also called suction ducts. In addition, accessories such as reduction cones, pants (Y) and T. The fabric qualities manufactured are in-1500, in-2000, in-2500 and in-3000.
Polyester PVC impeller ducts (positive pressure) for use in subway tunnels, fabric qualities in-1500, in-2000, in-2500 and in-3000. Manufacture in circular ducts from 300 mm to 2400 mm diameter and oval or twin ducts from 18″ to 72″. Length according to requirements, systems for joining sections by means of metallic rings, flap and skirt, Velcro, fasteners, metallic collar and clip.
Ductos aspirantes (presión negativa y positiva) de poliéster con PVC, para uso en túneles subterráneos, calidades de tela IN-1500, IN-2000, IN-2500 y IN-3000. Fabricación en ductos circulares de 300 mm a 2400 mm de diámetro y ductos ovalados o twin desde 18” a 72”. Ductos fabricados en tela base de poliéster con PVC con anillos metálicos en todo su perímetro y largo con paso de hélices de 50, 75, 100 y 150 mm. Tramos en 5, 10 y 15 m. Sistemas de uniones de tramos mediante anillos metálicos, solapa y faldón, Velcro, cierres, anillos metálicos con collerín y clip.
Metallic ducts from 200 mm to 2400 mm in steel quality A37-24 or similar, stainless steel, with flanges at the ends, thickness from 1.5 to 4 mm, for air transport use. Used for conveying air at high positive and negative pressures. Cones, singularities and other special pieces are manufactured.
Special ducts (singularities), such as reductions, pants, Ts, among others, for use in impeller and aspirant (negative and positive pressure), manufactured in polyester with PVC, for use in subway tunnels, in fabric qualities IN-1500, IN-2000, IN-2500 and IN-3000. Manufacture in circular ducts from 300 mm to 2400 mm diameter and oval or twin ducts from 18″ to 72″. Length according to requirements, systems for joining sections by means of metallic rings, flap and skirt, Velcro, fasteners, metallic collar and clip.
Duct mounting hooks, depending on the application of each duct, the requested type is supplied together with the ducts.
Repair kit for circular and oval impeller ducts. Two types of repair kits are offered. The first one corresponds to the basic kit which is a patch repair kit, each kit is composed of needle, thread, 1m2 of fabric and glue. The other repair kit is a scarf type, which hugs the area to be repaired and is closed by Velcro or zipper.