Horizontal 90° elbow for trough cable tray (horizontal elbow)
1. Structural Features
Adopts a U-shaped fully enclosed trough structure. Its cross-sectional width and height dimensions are consistent with the butt-jointed straight-section trough-type cable tray. It can be matched with special supporting covers to maintain the closed protection of the entire cable tray. It is formed by bending steel plates, and the inner side of the bend is smoothly transitioned with arcs to meet the minimum bending radius requirements of cables. There are no sharp burrs to avoid scratching the insulating sheath of cables. Standard oblong connection holes are reserved on the side plates, and it can be quickly spliced with straight-section cable trays using bolts.
Base material: cold-rolled steel plate. Galvanized base plate and stainless steel plate (304/316L) are also optional. Surface anti-corrosion: electro-galvanizing, hot-dip galvanizing, electrostatic spraying, zinc-aluminum-magnesium, which can be unified with the anti-corrosion process of the main project cable tray.
2. Core Functions
It is used to complete a 90° right-angle turn of the trough-type cable tray line on the same horizontal plane, while keeping the wiring elevation unchanged. When the direction of the cable tray needs to be changed in the horizontal direction, this accessory is used to realize smooth turning of cables and connect two sections of straight-section cable trays.
3. Accessory Classification (Key Point)
Horizontal 90° elbow: turns on the same horizontal plane, elevation remains unchanged. Vertical downward bend: the line goes downward, and the elevation is lowered. Vertical upward bend: the line goes upward, and the elevation is raised.
4. Selection Points
Specification matching: The width × height of the elbow must be consistent with the butt-jointed trough-type straight-section cable tray (for example: for a 200×100 trough-type cable tray, select a 200×100 horizontal 90° elbow). Plate thickness matching: The plate thickness must be consistent with the straight-section cable tray to meet the cable load. Optional configuration: A partition can be installed inside to realize separate compartment laying of strong and weak current cables and reduce signal interference.
5. Product Advantages
It is prefabricated and integrally formed in the factory. No cutting or bending is required on the construction site, and it can be directly assembled with bolts, saving labor. The closed trough body is dust-proof and rat-proof. The sprayed plastic version is anti-electromagnetic interference, suitable for weak current and fire control lines. The arc transition structure protects cables and complies with electrical construction specifications.
6. Application Scenarios
It is widely used in factories, underground garages, office buildings, computer rooms, intelligent weak current, fire protection and electromechanical engineering, at the right-angle turning positions of the cable tray in the horizontal direction.
7. Quick Overview of Cable Tray Elbow Accessories
Horizontal 90° elbow: turns on the horizontal plane, elevation remains unchanged. Horizontal tee: T-shaped line branch on the horizontal plane. Vertical downward bend: the line goes downward, lowering the elevation. Vertical upward bend: the line goes upward, raising the elevation. Vertical tee: line branch in the vertical direction.
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