Vetter Flexible packers User Manual download pdf (Page 8)

Vetter Flexible Packer

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5. Withdrawing the packer

5.1 Release air out of the packer before

withdrawing it out of the pipeline

9 Never withdraw the packer out of the pipeline before the air

has been fully released out of the packer.

9 Withdraw the packer out of the pipeline using the tension

eyes and the work line cables.

6. Maintenance and care

In this chapter you will nd out how to maintain the Vetter Flexible

packer and the maintenance intervals which you must observe.

6.1 Maintenance intervals

The function test of the safety valve are only to be carried out wi-

thout the packer. Over-pressure range!

A function test of the safety valves with the packer outside of the

pipeline or test pipe can cause the packer to burst.

The function test of the packer at full operating pressure in the

allowed maximum pipe diameter is only permitted to be carried

out in a correspondingly resistant pipe. A pipe which does not

have the corresponding resistance to the packer at full operating

pressure is likely to explode!

When? What? What to do?

After each

period of

operation

Packer and

accessories

Check for completeness, perfect condition

and functional operation.

Carry out a visual check and function

check.

Clean the packer with warm water, neutral

cleaning agent and, if necessary, with a wa-

shing brush.

Finally let it dry at normal room tempera-

ture.

At least

once every

year

Controller Visual check and function check.

Check the functional capability of the cou-

pling, nipple, manometer and safety valve.

At least

once every

year

Ination hose Visual check and function check.

Check the functional capability and sealing

of the connection nipple and the cou-

plings.

At least

once every

year

Packer Visual check and function check.

Check the functional operation of the con-

nection coupling.

Check for tears and/or cuts, abrasions, any

changes to the surface caused by chemical

eects.

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Vetter Flexible packers User Manual Page 8

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