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Handling

Welded socket

Adhesive products

The vibrating level switch is a measuring instrument and must be

treated accordingly. Bending the vibrating element will destroy the

instrument.

Warning:

The housing must not be used to screw the instrument in! Applying

tightening force can damage internal parts of the housing.

Use the hexagon above the thread for screwing in.

4.2

Mounting instructions

For threaded versions of SITRANS LVL100 in combination with a

mounting boss with O-ring in front and welding marking.

SITRANS LVL100 with thread sizes ¾" and 1" have a defined thread.

This means that every SITRANS LVL100 is in the same position after

being screwed in. Remove therefore the supplied flat seal from the

thread of SITRANS LVL100. This flat seal is not required when using a

welded socket with front-flush seal.

Before welding, unscrew SITRANS LVL100 and remove the rubber

ring from the welded socket.

The welded socket is provided with a marking (notch). For horizontal

mounting, weld the socket with the notch facing upward or downward;

in pipelines (DN 25 to DN 50) aligned with the direction of flow.

Fig. 5: Marking on the welded socket

Marking

In case of horizontal mounting in adhesive and viscous products,

the surfaces of the tuning fork should be vertical in order to reduce

buildup on the tuning fork. The position of the tuning fork is indicated

by a marking on the hexagon of SITRANS LVL100. With this, you can

check the position of the tuning fork when screwing it in. When the

hexagon touches the seal, the thread can still be turned by approx.

half a turn. This is sufficient to reach the recommended installation

position.

In adhesive and viscous products, the surfaces of the tuning fork

should protrude into the vessel to avoid buildup. Therefore sockets for

flanges and mountings bosses should not exceed a certain length.

SITRANS LVL100 - Operating Instructions