Product Description; Properties; Scope Of Delivery; Structure Of The Dosing Pump - Neptune NXP-M Operating Instructions Manual

Stepper motor-driven diaphragm dosing pump NXP-M and NXP-P

4 Product description

4.1 Properties

The NXP-M and NXP-P is a stepper motor-driven diaphragm dosing pump
that is used when precise dosing results are required.
They are characterized by the following properties:
Output range from 0.68 – 8.10 gph, up to 290 psig
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Power supply 110—240 V, 50/60 Hz, IP65, 25 W
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Microprocessor-controlled drive
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Integrated dosing head ventilation (only NXP-M/P 68 through 285 with
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plastic dosing head)
Suitable for wall and floor mounting
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Material finishes PVC, PP, PVDF and stainless steel
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Release input for external start/stop
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Also with NXP-P:
Pulse input (increase and reduction)
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Level input with early warning and main alarm
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Stroke frequency can be precisely adjusted via the keyboard
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Graphic display
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Calculation wizard for pulse operation available online
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4.2 Scope of delivery

Please compare the delivery note with the scope of delivery. The
following items are part of the scope of delivery:
Dosing pump NXP-M and NXP-P,
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One set each of hose clamping connections for the suction and
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discharge sides for hoses with diameters of 4/6 mm, 1/4 x 3/8" (made
of PVC, PP and PVDF),
Covering caps electrical connections:
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1 for NXP-M
3 for NXP-P,
Conductive rubber band for electrical contacts:
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1 for NXP-M (in connection port 1)
2 for NXP-P (in connection ports 1 and 3),
Mains cable,
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Operating instructions,
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Inspection report and test certificate (optional),
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Accessory kit (optional).
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Product description
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Structure of the dosing pump

4.3 Structure of the dosing pump
4.3.1 General Overview
a
Fig. 1: General Overview
No.
1 Dosing head
2 Drive unit
3 Control box
Table 6: General Overview
4.3.2 Dosing head
a
b
c
d
Fig. 2: Dosing head
No.
1 Valve and connection on the discharge side
Integrated dosing head ventilation (only NXP-M/P 68 through 285
2
with plastic dosing head)
Arrow indicating the direction of throughflow of the dosing
3
medium (plastic version only)
4 Valve and connection on the suction side
Table 7: Dosing head
Operating instructions
b
c
Description
Description