Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur télécharger pdf (Page 35)

Maintenance

Nut

Air-release joint

Discharge-side joint

Nut

Case for duck-bill valve

Duck-bill valve

O-ring (size: P14)

O-ring

(size: P14)

Ball stopper

Valve seat

Pump head

Compressed coil spring

Ball stopper

Discharge-side joint

Nut

Valve seat

Spacer

Check ball (6.35 mm diameter)

Valve seat

Guide ring

Retaining ring

Head bolt

(cross-recessed

machine screws)

Check ball

(6.35 mm diameter)

Discharge-side joint assembly

Valve seat assembly (discharge-side)

O-ring

size: P12 (31)

size: P14 (61/12)

Check ball

size: 4.76 mm diameter (31)

size: 6.35 mm diameter (61/12)

Check ball

size: 4.76 mm diameter (31)

size: 6.35 mm diameter (61/12)

Air-release joint assembly

Suction-side joint assembly

Valve seat assembly (suction-side)

Valve seat assembly (air-release side)

Replacing the valve seats and check balls

Model w/ automatic air-release function for injection of sodium hypochlorite: ARPZ-31/61/12

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.

■Liquid-end material: CL

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Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur Page 35

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