Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur télécharger pdf (Page 34)

Maintenance

Suction-side joint

Tube fitting

Ball stopper

Check ball

Valve seat

Ball stopper

Check ball

Valve seat

Ball stopper

Check ball

Valve seat

Ball stopper

Check ball

Discharge-side joint

Tube fitting

Pump head

Relief valve*

Air-release nozzle assembly*

Head bolt

(cross-recessed

machine screws)

O-ring

(size: P14)

O-ring

(size: P14)

Discharge-side joint assembly

Valve seat assembly*

Suction-side joint assembly

Valve seat assembly*

Replacing the valve seats and check balls

Model for injection of boiler chemicals: PZ-31

Consumables that must be replaced at periodic intervals. For further details, refer to the “Consumables” on page 51 to 52.

✽ Also available is “Pump head assembly” containing all of the above parts.

O-ring

(size: P12)

Ball stopper

Check ball

Valve seat

Suction-side joint

Retaining ring

Valve seat

Nut

Packing

Air-release nozzle assembly*

Check ball

Spacer

O-ring

(size: P12)

Nut

Retaining ring

Discharge-side joint

Ball stopper

Check ball

Valve seat

Ball stopper

Check ball

Valve seat

Spacer

Head bolt

(cross-recessed

machine screws)

Pump head

Discharge-side joint assembly

Valve seat assembly*

Suction-side joint assembly

Valve seat assembly*

Air-release knob*

Model for injection of sodium hypochlorite: PZ-31/61/12-CL

■Liquid-end material: FEC (PP) ■Liquid-end material: CL

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Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur Page 34

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