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Under our Delta Tech Group, Grille roller shutter can be in aluminium or stainless steel finishing. It is widely used for security because of its light weight, corrosion resistance properties yet retaining solid strength for security. With its unique feature further allow excellent air circulation and vision. It is commonly installed in places such as shop houses, MRT, industrial, stalls, HDB and building entrances.


  • Crystal Clear Vision that provide more than 90% see through properties

Maximum Size

  • LU-AS: 6m x 6m 

  • LU-RS: 6m x 5m 

  • LU-SD: 7m x 5m 

  • LU-LPS: 20m x 5m 

  • Manually operated by hand chain 

  • Automatically operated by control box

  • LU series can be made to operate at either vertical or lateral rolling system.

  • LUSD series can come with several type of panel size with crystal clear glass.

  • Intelligent System (IS) has a built-in Brake Re-engagement  Device that stops the shutter once it touches the ground 




Shutter Curtain 

They are formed by the interlocking of an aluminum strip which can be powder coated with clear UV protected polycarbonate panels (300x87) mm.



Side Guides

They were a box of overall nominal dimensions 80x75mm with a lipped opening for the curtain slats. They were fabricated from two folded sections of a nominally 2.3mm thick electro-galvanized sheet.



Bottom Bar

The bottom bar is extruded aluminum T bottom bar.


Roller Barrel

It consists of a heavy-duty steel tube. The drive assembly is made up of steel circular plates fitted to the steel shaft with bearings supported at both ends.

Shutter Hood

The frame is fabricated from steel sections with 0.7mm electro-galvanized steel sheet cover. It conceals the shaft assembly.

Shutter Operation 



Shutter operator is equipped with a built-in limit switch, built-in thermal protector, built-in brake release system, manual hand chain, and one unit of 3-ways push button switch with cylinder push button box. In the event of power failure, the shutter can be operated manually by pulling the hand chain. The power source is single phase 230V or 3-Phase 415V, 50Hz.



Power Requirements

The power source is single phase 230V or 3-Phase 415V, 50Hz each, depending on the size of the shutter. 



Operating System

Motorized roller shutter can be operated by using the push button, which is located approximately 1.5metres above floor level without counterbalance system.


Manual Hand Chain

The hand chain is provided to manually operate the roller shutter curtains in times of power or motor failure. It consists of a gear reduction chain block.

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