Series 7501, 7503 & 7506

For Coldrooms

The 7501, 7503 and 7506 series differ primarily in their design. Functionally, these series share the components.

Cool technology, implemented ice-cold.

Our external levers for cold rooms are characterized by easy installation and maximum compatibility. The series can be used for DIN L and DIN R by simply rotating the screw-on flange, and the automatic tolerance compensation enables play-free assembly of the multifunction locking systems. With two hole pattern variants, the outside lever can also be used with hole patterns that already exist on the market.

The square length of the outside lever is defined by the door thickness (T).
The lever mount of the inside lever is defined by the type of door stop
Any multifunction locking system can replace the 7101 series
Simple assembly: the outer and inner levers are each locked in the screw-on flange during assembly, so that it is not possible for them to “fall out” during assembly

Mounting example:
Multi-function latching system for cold rooms

1. Inserting outside handle into flange

The outside handle is rotated by 45° relative to the outside flange which is screwed to the door leaf. The guide cam (shown in red) of the outside handle can slide into the groove of the outside flange. The outside handle is inserted into the outside flange/door leaf and the guide cam thus reaches the back of the sleeve of the outside flange.

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2. Fixating the outside handle

By turning the outside handle now, the guide cam connects the outside handle and the outside flange without play. At the same time it ensures smooth operation of the handle on the flange. The outside flange and outside handle are now securely preassembled with each other.

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3. Mounting preparation for inside handle

Pre-assembly of the outside flange with the outside handle not only ensures optimal positioning of both components, but also prevents the handle from falling out after flipping the door for the assembly of the inside handle. The assembly aid of the latching system saves time, and acts as a „third hand“ which makes the assembly simple and efficient.

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4. Mounting the inside handle

To mount the inside handle, the pre-assembled unit (consisting of socket and internal flange), is screwed onto the inside of the door leaf. For this purpose, the socket is provided with corresponding holes through which the flange can be mounted. The optimum positioning of the socket and the inner flange in relation to each other also ensures play-free and smooth operation of the latching system.

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5. Attaching the inside handle

When screwing the inside latch to the square bar of the outside handle, Rahrbach works with the proven technology of automatic tolerance compensation. This is most helpful due to door thickness tolerances. Here, the cylinder head screw is guided through an inner ring with a spring cage before it engages in the inner thread of the square bar. When the screw is screwed into the square bar, the inner ring automatically moves towards the square bar. This makes sure the inside handle can be mounted tightly to the outside handle without any further adjustment.

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6. Play-free mounting without accessories

When the inner ring meets the square bar, the inner handle and square bar can be securely screwed together without play. The image on the left shows the screw inside the square bar and the inner ring resting against it without play. Thanks to the optimum positioning of the handles on the flanges and the play-free mount of the components, this latching system has a very smooth action. In addition, there is no need to use any other parts like washers or shims to tighten the inside and outside handle securely.

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Inside handles

750x

It's the inner values that count.

During assembly, the outer and inner levers are locked in the screw-on flange so that they cannot “fall out” during assembly. This saves time and a third hand when installing the multi-function latching systems. Real advantages that cannot be seen at first glance. Just like our inside levers. The lever mount of the inside lever is defined by the type of door stop.