PEDROLLO DAVIS 4 Inch Submersible Pump with Peripheral Impeller User Guide

July 18, 2024
pedrollo

DAVIS 4 Inch Submersible Pump with Peripheral Impeller

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Specifications

  • Product: DAVIS 4 submersible pump with peripheral impeller
  • Application: Clean water
  • Performance Range: Domestic use, Agricultural use
  • Voltage: 230V
  • Current: 5.7A

Product Usage Instructions

Installation

1. Ensure the pump is disconnected from the power source before
installation.

2. Place the pump in the desired location ensuring it is fully
submerged in clean water.

3. Connect the power cable to a suitable power source.

Operation

1. Turn on the power source to start the pump.

2. Monitor the flow rate and total head to ensure efficient
operation.

3. Do not run the pump dry as this may damage the
components.

Maintenance

1. Regularly check for any debris that may clog the pump.

2. Inspect the seals and motor components for any signs of wear
and tear.

3. Lubricate moving parts as recommended in the user manual.

FAQ

Q: What is the maximum flow rate of the DAVIS submersible

pump?

A: The maximum flow rate is 50 liters per minute.

Q: Can the pump be used for agricultural irrigation?

A: Yes, the pump is suitable for agricultural use.

Q: What materials are used in the construction of the

pump?

A: The pump features stainless steel AISI 304 components, brass
impeller, and motor shaft, among others.

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DAVIS

4″ submersible pump with peripheral impeller
Clean water
PERFORMANCE RANGE
· Flow rate up to 50 l/min (3.0 m3/h) · Head up to 75 m

Domestic use Agricultural use

INSTALLATION AND USE
Ready-to-install cost-effective submersible pump, equipped with an integrated capacitor and thermal overload protector.
Designed to transfer clean water free from abrasive particles and liquids that will not damage the pump’s components.
Compact and cost-effective, it is suitable for domestic applications. It works seamlessly with small-sized pressure tanks, offering an ideal setup for all irrigation requirements.

APPLICATION LIMITS
· Liquid temperature up to +40 °C · Depth of use up to 40 m below water level (with an appro-
priately sized power cable)
· Vertical and horizontal operation

AVAILABLE UPON REQUEST 30 metres long power cable Different voltage requirements 60 Hz frequency

CURVES AND PERFORMANCE DATA ­ HS=0 m

50 Hz

0 0 80
70 DAVIS
60

5 5

10

US g.p.m.

10

Imp g.p.m.

feet

250

200

Head H (metres) 4

50 150
40

30

100

20 50
10

00

5

10

15

20

25

30

35

40

45

50 l/min 0

0

1

2

3

m³/h

Flow rate Q 4

TYPE Single-phase

POWER (P2) m³/h 0 kW HP Q l/min 0

0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 5 10 15 20 25 30 35 40 45 50

DAVIS®

0.75 1 H metres 75 68 61 54 47 40 33 26 19 12 5

Q = Flow rate H = Total manometric head
50 Hz | DAVIS Start of production 01.2024

Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

MATERIALS AND COMPONENTS

1 Delivery port

Stainless steel AISI 304 complete with threaded 9

1

delivery port in compliance with ISO 228/1

2 Sealing cover

Brass

5

3

3 Impeller

Brass, radial peripheral vane type

4 Motor sleeve

Stainless steel AISI 304

2

5 Motor shaft

Stainless steel AISI 431

6

6 Two mechanical seals separated by an oil chamber

Type
AR-14 (Motor side) ST1-14 SIC (Pump side)

Shaft
Ø 14 mm Ø 14 mm

Materials
Ceramic / Graphite / NBR Ceramic / Silicon carbide / NBR

7 Capacitor
4
8 Electric motor

­ Submersible PEDROLLO motor, suitable for continuous duty (with dry, rewind-

able stator).

8

­ Single-phase 220-230 V – 50 Hz

­ Built-in motor capacitor

­ Thermal motor protection incorporated in the winding

­ Continuous running duty S1

­ Insulation: Class F ­ Protection rating: IP X8

7

9 Power cord

DRINCABLE® HRC certified for use with drinking water meant for human consumption by the ACS according to XP P 41-250, approval no. 18 MAT NY 156

Standard length 20 metres

ABSORPTION
TYPE Single-phase DAVIS®

VOLTAGE 230 V 5.7 A

DIMENSIONS AND WEIGHT

TYPE Single-phase

PORT
DN

DIMENSIONS mm

Ø

h

kg

DAVIS®

1″

101

470

12.6

PALLET CAPACITY
TYPE Single-phase DAVIS®

NO. OF PUMPS
60

Coupling for safety cable DN
Ø

h

DAVIS | 50 Hz

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