Sigma S2Ba Instructions d'exploitation télécharger pdf (Page 13)

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Page 13

ProMinent

Safety devices

The following safety notice must be affixed to the pump (with PP, PC and PV liquid ends, acrylic

glass cover, ...)

Because of danger of electrostatical

ignition use damp cloth only

for wiping plastic parts!

ATTENTION

EC conformity declaration / certificates

The EC conformity declaration for pumps for explosion-threatened workplaces is supplied with

the pump (the copy of the EC conformity declaration for the pump itself does not apply to pumps

designed for explosion-threatened workplaces).

The EC conformity declarations, the EC series prototype test reports and the operating manuals

for the individual components are also supplied with the pump.

1.2 General notes

WARNING

• The equipment/devices may only be used for their intended purpose.

•ProMinent

metering pumps must not be assembled with parts which are not tested and

recommended by ProMinent otherwise this can lead to injury to persons and damage to

property for which no liability will be accepted!

• Pumps must be accessible at all times to facilitate operation and maintenance. Access

points must not be obstructed or blocked!

• Before carrying out any maintenance and repair work always drain off and flush out the

liquid end first if hazardous or unknown metered media are used!

• When metering hazardous or unknown liquids, always wear safety clothing (safety

goggles, gloves, ...) when working on the liquid end!

•You must observe the guidelines in this operating instructions manual and the ”General

operating instructions manual for ProMinent

motor-driven metering pumps and hydraulic

accessoires” on assembly, installation and maintenance!

1.3 Notes on installation, start-up and operation

WARNING

• The metering pump can contain water residue in the liquid end as the result of testing at

the factory!

If handling media which must not come in contact with water, all traces of water must be

removed from the liquid end before start-up! For this purpose, turn the pump through

180˚ and drain off the liquid end then flush with a suitable medium from above via the

intake connection!

• Do not connect mains voltage to the control cable!

• When operating the metering pump against a closed shut-off element on the pressure

side or in the event of pressure peaks during the metering stroke, the system pressure

can reach a multiple of the maximum permissible operating pressure that can conse-

quently cause the pressure line to burst!

•To avoid this situation, an overflow is recommended for the purpose of limiting the

maximum permissible operating pressure of the pump or system.

• Do not connect a metal bypass line to the overflow valve on the PVT delivery unit! This

could cause cracks in the delivery unit!

Notes on safety of ProMinent

metering pumps

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 62 63

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Sigma S2Ba Instructions d'exploitation Page 13

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