DROPSA 3414100 Operation And Maintenance Manual - Page 8

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7. Instructions for use

 The unit may be put into operation by specialized personnel.

 Using the pump submerged in fluids or in a particularly aggressive or explosive/flammable

environment is prohibited unless it has been prepared ahead of time by the supplier for this

purpose.

 Use gloves and eye protection as required by the lubricant safety data sheet.

 DO NOT use lubricants that are aggressive to NBR gaskets. If you are unsure, contact the

Dropsa S.p.A technical office for a detailed list of recommended lubricants.

 Never ignore health hazards and always follow sanitary regulations.

 Always use suitable piping for the operating pressure.

 Check the integrity of the pump.

 Ensure that the pump operates at operating temperature and that the pipelines are free of any

air bubbles.

To determine the maximum operating pressure, it is necessary to know the pressure drop of the

pipeline connected to the pump outlet, depending on the length, temperature and type of

lubricant.

Depending on these variables to achieve a proper supply to the delivery point, you must always

ensure that the pipeline pressure loss plus the pressure required at the lubrication point does not

exceed the maximum pressure supplied for pump delivery.