PEDROLLO 4HR 4 Inch Submersible Pumps User Guide

July 18, 2024
pedrollo

4HR
4″ submersible pumps in micro-cast stainless steel

4HR 4 Inch Submersible Pumps

| Clean water
---|---
| Civil use
| Agricultural use
| Industrial use

※ Featuring high mechanical resistance against both sand abrasion and corrosion, even in marine environments or brackish water installations, the 4HR pump is the ideal choice when durability and quality are paramount.

PERFORMANCE RANGE

  • Flow rate up to 420 l/min (25.2 m3/h)
  • Head up to 176 m

INSTALLATION AND USE

Submersible pump designed for 4″ wells, constructed with durable micro-cast stainless steel.
Designed to transfer clean or brackish water with sand content up to 100 g/m³. Highly efficient and reliable, they are suitable for industrial, civil, and agricultural applications, such as water distribution coupled with pressure tanks, irrigation, pressure boosting, fire-fighting systems, and more.

INCLUDES

※ Electric motor
– Single-phase 230 V – 50 Hz
– Three-phase 400 V – 50 Hz
The pump can be supplied with a motor:
– 4PD rewindable and oil filled
– 4PS encapsulated and water filled
※ Power cable from:
– 2 m for power ratings from 0.37 to 2.2 kW
– 3.6 m for power ratings from 3 to 7.5 kW.

APPLICATION LIMITS

  • Liquid temperature up to +40 °C

  • Sand content max. 100 g/m³

  • Maximum operating depth below water level:
    – 200 m with 4PD motors
    – 300 m with 4PS motors

  • Operation:
    – in vertical position
    – horizontally up to 12 stages

  • Starts per hour: 20 at regular intervals

  • Minimum motor cooling flow 8 cm/s

  • Continuous running duty S1

AVAILABLE UPON REQUEST

※ Different voltage requirements 60 Hz frequency
PATENTS – TRADE MARKS – MODELS

  • Registered Community Model No. 004128619-0001

PERFORMANCE RANGE

50 Hz

4HR 10

TYPE POWER (P2) Q m³/h 0 3.0 6.0 7.5 9.0 10.5 12.0 13.5 15.0
Single-phase Three-phase kW HP l/min 0 50 100 125 150 175 200 225

250
4HRm 10/5| 4HR 10/5| 0.75| 1| H metres| 28.5| 25.5| 22.5| 20.7| 18.6| 16.3| 13.6| 10.5| 7
4HRm 10/7| 4HR 10/7| 1.1| 1.5| 40| 36| 31.5| 29| 26| 23| 19| 14.7| 10
4HRm 10/10| 4HR 10/10| 1.5| 2| 57.5| 51.5| 45| 41.5| 37| 32.5| 27| 21| 14
4HRm 10/15| 4HR 10/15| 2.2| 3| 86| 77| 67.5| 62| 56| 49| 40.5| 31.5| 21
–| 4HR 10/20| 3| 4| 115| 103| 90| 83| 74| 65| 54.5| 42| 28
–| 4HR 10/28| 4| 5.5| 161| 144| 126| 116| 104| 91| 76| 60| 39

4HR 14

TYPE POWER (P2) Q m³/h 0 3.0 6.0 9.0 12.0 15.0 18.0 19.2 20.4
Single-phase Three-phase kW HP l/min 0 50 100 150 200 250 300 320

340
4HRm 14/6| 4HR 14/6| 1.1| 1.5| H metres| 31| 28.5| 26.7| 24.5| 21.8| 18| 13| 10.4| 7.5
4HRm 14/8| 4HR 14/8| 1.5| 2| 41| 38.5| 35.5| 32.5| 29| 24| 17.2| 13.8| 10
4HRm 14/12| 4HR 14/12| 2.2| 3| 62| 57.5| 53.5| 49| 43.5| 36| 25.8| 20.7| 15
–| 4HR 14/16| 3| 4| 82| 77| 71| 65.5| 58| 48| 34.5| 27.5| 20
–| 4HR 14/21| 4| 5.5| 108| 100| 93| 86| 76| 63| 45| 36.5| 26.5
–| 4HR 14/29| 5.5| 7.5| 149| 139| 129| 119| 105| 87| 62.5| 50| 36.5

Q = Flow rate
H = Total manometric head
Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.
Micro-cast stainless steel 4″ submersible pumps

PERFORMANCE RANGE   **

**

50 Hz 4HR 18

TYPE| POWER (P2)| Q| m³/h| 0| 3.0| 6.0| 9.0| 12.0| 15.0| 18.0| 21.0| 24.0| 25.2
---|---|---|---|---|---|---|---|---|---|---|---|---|---
Single-phase| Three-phase| kW| HP| l/min| 0| 50| 100| 150| 200| 250| 300| 350| 400| 420
4HRm 18/4| 4HR 18/4| 1.1| 1.5|  H metres| 23.4| 22| 21| 19.7| 18| 16| 13.5| 10.4| 6.6| 5
4HRm 18/6| 4HR 18/6| 1.5| 2| 35| 33.5| 31.5| 29.5| 27| 24| 20.3| 15.6| 9.8| 7
4HRm 18/9| 4HR 18/9| 2.2| 3| 52.5| 50| 47.5| 44.5| 40.5| 36| 30.5| 23.4| 14.8| 11
–| 4HR 18/12| 3| 4| 70| 66.5| 63| 59| 54| 48| 40.5| 31| 19.7| 14.5
–| 4HR 18/16| 4| 5.5| 94| 89| 84| 79| 72| 64| 54| 41.5| 26| 19
–| 4HR 18/22| 5.5| 7.5| 129| 122| 116| 108| 99| 88| 74| 57| 36| 26.5
–| 4HR 18/30| 7.5| 10| 176| 167| 158| 148| 135| 120| 101| 78| 49| 36

Q = Flow rate
H = Total manometric head
Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.

MATERIALS AND COMPONENTS

1| Delivery port| Micro-cast AISI 304 stainless steel with thread according to ISO 228/1
---|---|---
2| Check valve| Stainless steel AISI 304
3| Motor bracket| AISI 304 micro-cast stainless steel
sized to NEMA standards
4| Impellers| AISI 304 micro-cast stainless steel
5| Diffusers| AISI 304 micro-cast stainless steel
6| Pump shaft| Stainless steel AISI 304
7| Pump bearings| Special elastomer
8| Wear rings| Special elastomer
9| Tow coupling| Stainless steel AISI 304
10| Filter| Stainless steel AISI 304
11| Cable sheath| Stainless steel AISI 304
12| Motor 4″| ※ 4PD = rewindable oil filled motor
※ 4PS = encapsulated water filled motor

DIMENSIONS AND WEIGHT

TYPE

Single-phase ※

| DN| DIMENSIONS mm| kg| | TYPE
Single-phase ※| DN| DIMENSIONS mm| kg
---|---|---|---|---|---|---|---|---
h1| h2| h3| h1| h2| h3
4HRm 10/5 – PD

4HRm 10/7 – PD

| 2″| 511| 356| 867| 19.0| 4HRm 10/5 – PS| 2″| 511| 272| 783| 20.3
657| 396| 1053| 22.5| 4HRm 10/7 – PS| 657| 312| 969| 24.8
4HRm 10/10 – PD| 876| 437| 1313| 29.0| 4HRm 10/10 – PS| 876| 352| 1228| 32.7
4HRm 10/15 – PD| 1241| 492| 1733| 39.2| 4HRm 10/15 – PS| 1241| 402| 1643| 38.0
4HRm 14/6 – PD

4HRm 14/8 – PD

| 584| 396| 980| 20.5| | 4HRm 14/6 – PS| 584| 312| 896| 22.0
730| 437| 1167| 25.0| 4HRm 14/8 – PS| 730| 352| 1082| 26.9
4HRm 14/12 – PD| 1022| 492| 1514| 33.5| | 4HRm 14/12 – PS| 1022| 402| 1424| 33.0
4HRm 18/4 – PD| 438| 396| 834| 18.1| | 4HRm 18/4 – PS| 438| 312| 750| 19.4
4HRm 18/6 – PD| 584| 437| 1021| 22.8| 4HRm 18/6 – PS| 584| 352| 936| 24.3
4HRm 18/9 – PD| 803| 492| 1295| 29.5| 4HRm 18/9 – PS| 803| 402| 1205| 29.1

TYPE DN DIMENSIONS mm kg TYPE DN DIMENSIONS mm kg
Three-phase ※ h1 h2 h3 Three-phase ※ h1 h2 h3
4HR 10/5 – PD 2″ 511 356 867 18.0 4HR 10/5 – PS 2″ 511
4HR 10/7 – PD 657 371 1028 22.0 4HR 10/7 – PS 657 272 929
4HR 10/10 – PD 876 396 1272 26.8 4HR 10/10 – PS 876 297 1173
4HR 10/15 – PD 1241 437 1678 37.0 4HR 10/15 – PS 1241 352 1593
4HR 10/20 – PD 1606 450 2056 45.0 4HR 10/20 – PS 1606 484 2090
4HR 10/28 – PD 2190 625 2815 61.8 4HR 10/28 – PS 2190 574 2764
4HR 14/6 – PD 584 371 955 20.0 4HR 14/6 – PS 584 272 856
4HR 14/8 – PD 730 396 1126 23.2 4HR 14/8 – PS 730 297 1027
4HR 14/12 – PD 1022 437 1459 30.4 4HR 14/12 – PS 1022 352 1374
4HR 14/16 – PD 1314 450 1764 36.8 4HR 14/16 – PS 1314 484 1798
4HR 14/21 – PD 1679 625 2304 50.2 4HR 14/21 – PS 1679 574 2253
4HR 14/29 – PD 2263 725 2988 68.2 4HR 14/29 – PS 2263 664 2927
4HR 18/4 – PD 438 371 809 17.0 4HR 18/4 – PS 438 272 710
4HR 18/6 – PD 584 396 980 20.5 4HR 18/6 – PS 584 297 881
4HR 18/9 – PD 803 437 1240 27.0 4HR 18/9 – PS 803 352 1155
4HR 18/12 – PD 1022 450 1472 31.8 4HR 18/12 – PS 1022 484 1506
4HR 18/16 – PD 1314 625 1939 43.7 4HR 18/16 – PS 1314 574 1888
4HR 18/22 – PD 1752 725 2477 59.4 4HR 18/22 – PS 1752 664 2416
4HR 18/30 – PD 2336 845 3181 74.0 4HR 18/30 – PS 2336 764 3100

※ 4PD = rewindable oil filled motor
※ 4PS = encapsulated water filled motor

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