Galvanized steel rectangular air duct section with reinforced flat panels

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Galvanized Steel Rectangular Air Duct (아연 도금 강철 사각형 공기 덕트)

A rigid G90 galvanized sheet-steel duct fabricated in rectangular sections for space-efficient cleanroom supply, return and general ventilation routes.

G90 Zinc-Coated Steel
Space-Efficient Rectangular Form
Reinforced Flat Panels
Sealed Flange Connections

견적 요청 제품 찾아보기

상품 소개

Galvanized steel rectangular ductwork provides a durable and economical air path where ceiling zones, risers or equipment connections favor a rectangular section. Straight sections are formed from zinc-coated sheet steel with Pittsburgh-lock or welded longitudinal seams, transverse reinforcement and flanged ends selected for the duct dimensions and pressure duty. Smooth internal surfaces reduce friction and provide accessible wipe-down areas, while mastic or closed-cell gaskets seal the transverse joints. The format integrates readily with dampers, filters, terminal housings and rectangular equipment plenums.

주요 기능

Zinc-coated sheet steel provides practical corrosion protection for conditioned indoor air systems.

Rectangular proportions use shallow ceiling voids more efficiently than equivalent circular ductwork.

Standing seams, beading or external reinforcement limit panel vibration on larger duct faces.

Flanged transverse joints allow long routes to be assembled from replaceable factory-made sections.

고객 제품 관심사

Rectangular ductwork must remain rigid, clean and sufficiently airtight even when broad panels and numerous field joints are installed above a congested cleanroom ceiling.

Wide duct faces drum or flex when fan pressure changes.Sheet gauge, cross-breaking and reinforcement spacing are selected for the largest panel dimension and pressure class.

Air leakage at repeated transverse joints wastes conditioned cleanroom airflow.Matched flange corners, continuous gasket and exterior sealant create a consistent joint compression path.

A round duct cannot fit the available shallow ceiling zone.A low-profile rectangular aspect ratio preserves flow area while reducing installed depth.

Exposed cut edges corrode after site modification.Cut edges are deburred, cleaned and protected with a compatible zinc-rich repair coating.

일반적인 응용 프로그램

Cleanroom supply-air mainsReturn-air and recirculation ductsAir-handling-unit connectionsCeiling service corridorsGeneral laboratory ventilation

기술 매개변수

Common fabrication ranges for indoor G90 galvanized rectangular air duct are listed below.

핵심 재료	G90 hot-dip galvanized carbon-steel sheet
패널 두께	0.55–1.50 mm, selected by duct size and pressure duty
유효 폭	150–2000 mm rectangular side dimension
최대 길이	1500 mm per standard fabricated section
강철 면면 두께	0.55–1.50 mm galvanized sheet body
코어 밀도	Approximately 7850 kg/m³ solid steel construction
열전도도 (Thermal Conductivity)	Approximately 50–55 W/(m·K) for low-carbon galvanized sheet
표면 마무리	Continuous G90 zinc coating with optional external powder coating
접합 유형	TDC/TDF or angle flange with closed-cell gasket and sealed corners
사용자 정의	의도된 응용 프로그램 및 운영 환경에 따라 사용할 수 있습니다.

사용 가능한 옵션

Internal or external thermal insulationPowder-coated external finishAccess doors and test portsTransitions, offsets and equipment plenums

Planning a Galvanized Steel Rectangular Air Duct specification?

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