Galvanized Spiral Duct
Round and oval ducts for supply, return and extract air.
Browse 99 ventilation products in eight clear categories.
No matching products. Try another filter.
Round and oval ducts for supply, return and extract air.
Round and oval ducts for supply, return and extract air.
Round and oval ducts for supply, return and extract air.
Round and oval ducts for supply, return and extract air.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Duct sections selected around routing, connections and installation space.
Change duct direction to suit the installation route.
Change duct direction to suit the installation route.
Change duct direction to suit the installation route.
Change duct direction to suit the installation route.
Change duct direction to suit the installation route.
Split airflow or connect different duct sizes and shapes.
Split airflow or connect different duct sizes and shapes.
Split airflow or connect different duct sizes and shapes.
Split airflow or connect different duct sizes and shapes.
Split airflow or connect different duct sizes and shapes.
Split airflow or connect different duct sizes and shapes.
Join duct sections and provide cleaning or maintenance access.
Join duct sections and provide cleaning or maintenance access.
Join duct sections and provide cleaning or maintenance access.
Join duct sections and provide cleaning or maintenance access.
Join duct sections and provide cleaning or maintenance access.
Confirm release conditions, control signals and access with the fire design.
Confirm release conditions, control signals and access with the fire design.
Confirm release conditions, control signals and access with the fire design.
Confirm release conditions, control signals and access with the fire design.
Match smoke-system function, normal state and controls to the project design.
Match smoke-system function, normal state and controls to the project design.
Match smoke-system function, normal state and controls to the project design.
Match smoke-system function, normal state and controls to the project design.
Outlets for smoke extraction and pressurization, selected to the system design.
Outlets for smoke extraction and pressurization, selected to the system design.
Outlets for smoke extraction and pressurization, selected to the system design.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Adjust or regulate airflow to the ventilation system requirements.
Limit reverse airflow or relieve pressure according to the system design.
Limit reverse airflow or relieve pressure according to the system design.
Limit reverse airflow or relieve pressure according to the system design.
Limit reverse airflow or relieve pressure according to the system design.
Limit reverse airflow or relieve pressure according to the system design.
Limit reverse airflow or relieve pressure according to the system design.
Air openings coordinated with airflow direction and architectural details.
Air openings coordinated with airflow direction and architectural details.
Air openings coordinated with airflow direction and architectural details.
Air openings coordinated with airflow direction and architectural details.
Air openings coordinated with airflow direction and architectural details.
Return-air openings with access and filter options to suit the room.
Return-air openings with access and filter options to suit the room.
Return-air openings with access and filter options to suit the room.
Distribute supply air to suit room layouts and ceiling details.
Distribute supply air to suit room layouts and ceiling details.
Distribute supply air to suit room layouts and ceiling details.
Distribute supply air to suit room layouts and ceiling details.
Distribute supply air to suit room layouts and ceiling details.
Distribute supply air to suit room layouts and ceiling details.
Coordinate noise control with duct size, airflow and service access.
Coordinate noise control with duct size, airflow and service access.
Coordinate noise control with duct size, airflow and service access.
Coordinate noise control with duct size, airflow and service access.
Connect branches or terminals through a box sized to the project drawing.
Connect branches or terminals through a box sized to the project drawing.
Connect branches or terminals through a box sized to the project drawing.
Connect branches or terminals through a box sized to the project drawing.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Coordinate outdoor openings, collection hoods and flue connections with the design.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Parts for duct connections, sealing, insulation and structural support.
Steel pipe grade, wall thickness and weld requirements follow the intended duty.
Steel pipe grade, wall thickness and weld requirements follow the intended duty.
Steel pipe grade, wall thickness and weld requirements follow the intended duty.
Protective coatings and insulation are confirmed for the pipe service environment.
Protective coatings and insulation are confirmed for the pipe service environment.
Protective coatings and insulation are confirmed for the pipe service environment.
Protective coatings and insulation are confirmed for the pipe service environment.
Thick-wall pipe fittings matched to the steel pipe specification and connection design.
Thick-wall pipe fittings matched to the steel pipe specification and connection design.
Thick-wall pipe fittings matched to the steel pipe specification and connection design.
Thick-wall pipe fittings matched to the steel pipe specification and connection design.
Thick-wall pipe fittings matched to the steel pipe specification and connection design.
Browse 10 product application references and 36 duct installation examples.
Explore 10 product application references covering ductwork, dampers, air terminals and project accessories.
View 10 product cases →36 duct installation casesExplore 36 duct installation references across 6 building and installation scene groups.
View 36 installation cases →A production-hall reference for overhead ventilation mains and coordinated air-distribution components.
A workshop reference for high-level extract mains and equipment-area branch connections.
An assembly-workshop reference for overhead supply ducts, workstation branches and coordinated air outlets.
A warehouse reference showing circular main ducts, tee branches and equipment-area routing.
An equipment-room reference organizing supply and extract routes around machinery and maintenance space.
A logistics reference showing high-level main ducts and branches above material-handling areas.
A plant-room reference showing duct transitions, equipment interfaces and service clearances.
A fan-room reference showing flexible connections, duct transitions and silencer interfaces with accessible components.
An illustrative basement layout combining high-level duct routes, branches and accessible components.
A service-area reference for connecting an external weather louvre to the ventilation ductwork.
A rooftop plant reference organizing equipment connections, transitions and maintenance clearances.
A shaft-interface reference coordinating vertical ducts, offsets and accessible connection points.
An intake reference connecting external louvres, duct transitions and accessible control components.
A corridor reference coordinating overhead ductwork with clear passage and service access.
An underground plant reference matching ventilation branches to equipment and access arrangements.
A general storage reference organizing duct branches and terminals around an accessible room layout.
A pedestrian-passage reference coordinating ventilation terminals, duct routing and clear headroom.
A loading-bay reference arranging high-level supply and extract routes around beams, platforms and vehicle clearance.
An illustrative office-ceiling layout showing circular mains, branches and coordinated air terminals.
A reference layout for rectangular ducts coordinated with ceiling grids and other building services.
A general dining-space ventilation reference coordinating ceiling routes and air-terminal positions.
An illustrative retail-ceiling layout linking duct branches with diffusers and architectural details.
A retrofit reference using bends and transitions to coordinate an existing constrained ceiling space.
A meeting-room layout combining concealed branches, ceiling terminals and accessible control components.
A guestroom reference for compact ceiling branches and coordinated supply and return terminals.
A residential reference linking vertical ventilation routes with individual apartment branches.
An attic reference for low-profile ducts, terminal branches and accessible equipment connections.
A hotel corridor reference connecting return grilles with concealed ceiling ductwork.
A classroom reference matching ceiling branches and terminals to the teaching-space layout.
An ordinary consultation-room reference emphasizing coordinated terminals and accessible duct branches.
A sports-hall reference coordinating main ducts and directional air terminals with the large interior space.
A library reference combining ceiling air distribution with acoustic and maintenance considerations.
A public-hall reference matching duct branches and air terminals to a flexible room layout.
An atrium reference coordinating high-level duct routes and air terminals with an open commercial space.
A hotel-lobby reference matching concealed branches and linear diffusers to reception and lounge areas.
An exhibition-space reference coordinating ceiling ducts and diffusers with display partitions and visitor circulation.
An application reference for circular supply-air distribution in an exposed office ceiling.
A material-focused reference for equipment ventilation with defined environmental and cleaning requirements.
A pipe selection reference organized around application, steel grade, dimensions and coating requirements.
A ductwork reference for limited ceiling depth and coordinated building-service routes.
A reference for connecting terminal branches to diffusers within an accessible ceiling void.
A selection reference linking duct dimensions, airflow and acoustic requirements at equipment connections.
A product-reference example emphasizing the approved location, controls and access requirements of fire dampers.
An example of coordinating smoke-related damper selection with the specified extraction system.
A reference for matching external ventilation openings with facade, mesh and connection details.
An air-terminal reference combining room layout, ceiling details and the intended air distribution.
Documentation depends on the product and project. Confirm the applicable material, inspection, installation and compliance documents for the exact item.
Send the project duty, drawings, materials, dimensions and quantities to align the product selection with site interfaces.
WeChat QR code is not configured. Please call 13928279220 or email zhong13928279220@gmail.com.