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INDUSTRIAL PUMPS
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debem.com
Chapter 8 - Decommissioning and Disposal
Translation of Original Instructions - BOXER rev. 2021
8.1 DECOMMISSIONING AND WASHING FORM
This operation is reserved for trained and qualified Mechanical Servicemen, equipped with suitable Per-
sonal Protective Equipment (PPE); see the Technical and Safety Data Sheets of the treated liquid.
CAUTION:
risk of contact with toxic or corrosive fluids.
Should the pump remain inactive for long periods or if there are leaks or malfunctions that can affect
the safety of the pump or system on which it is installed, or at the “End of Life” of the diaphragms, it is
necessary to decommission it until restoration of the necessary safety conditions and optimal operation
of the same.
CAUTION:
risk of fluid leakage, risk of fire.
Do not use the pump in compromised conditions or with the diaphragms at the “End of Life” as indicated by
the Manufacturer.
8.1.1
DECOMMISSIONING DUE TO INACTIVITY
Before decommissioning for long periods of inactivity, it is necessary to proceed as follows:
8.1.1a
Clean the external part of the pump using cloths dampened with suitable detergent (compatible with the construc-
tion materials of the pump).
8.1.1b
Wash the inside of the pump (washing, decontamination according to the used fluid) with a suitable detergent
(compatible with the construction materials).
8.1.1c
Close the product suction and delivery on/off valves mounted on the pump.
8.1.1d
Close the air supply using the 3-way valve and discharge the residual pressure from the pneumatic circuit inside
the pump and then disconnect the air supply on the network node.
CAUTION
: risk of internal back-pressures and projection of components during disassembly.
In severe conditions (incorrect installations and/or stops and/or in stall conditions), residual pressures inside
the pump can be generated which are not discharged. Before opening and disassembling the pump, it is
necessary to secure the pump casings with a suitable ratchet strap and wear suitable Personal Protective
Equipment (PPE).
8.1.1e
Indicate the “DECOMMISSIONING” status on the pump with a specific signal.
8.1.1f
Should it be necessary to store the pump or send it back to the Manufacturer, proceed with the disassembly and
emptying as described in
point 8.1.2 and 8.1.4
.
8.1.2
PUMP DISASSEMBLY FROM THE WORKSTATION
Proceed as following to disassemble the pump from the workstation.
Safety requirements before starting the operation:
• Pump stopped with air supply disconnected and interlocked and residual pressure discharged;
• Pump with the external parts cleaned/washed;
• Pump with internal product circuit washed and decontaminated (according to the pumped liquid);
• Pump with product circuit drained of the contaminated washing liquid.
• Closed product sectioning valves (suction and delivery);
• Suction and delivery pump and circuits at ambient temperature
8.1.2a
Disconnect the suction and delivery pipes of the pump fluid.
8.1.2b
Disconnect the compressed air supply pipe from the pump.
8.1.2c
Disassemble and remove the pump from the place of installation using suitable lifting equipment and adequately
drain the product circuit according to the treated product.
CAUTION
:
risk of leakage of the washing and/or contaminated liquid.
The pump is not self-draining, pay attention during handling and disassembly.