4" well pump 4BLOCK 2/12 230V 20m Pedrollo

MONOBLOCK WELL PUMP 4" 4BLOCK2/12 PEDROLLO with 20m cable for garden irrigation

Description of well pump 4" 4BLOCK2/12 - submersible pump.

Monobloc submersible pump made of stainless steel, ready to be installed. Complete, consisting of: - motor with integrated capacitor and thermal overload protection - 20m power cable. Suitable for pumping clean well water from sandy boreholes (maximum up to 150 sand g/m³). Due to the very high efficiency and reliability of this well pump, it is suitable for use in garden irrigation, lawn and bed irrigation, as well as part of a pressurized supply and for feeding automatic irrigation systems from wells.

Features of the well pump Pedrollo 4BLOCK2/12:

Fluid type: clean water
Range of use: domestic , commercial , agricultural
Applications: Water supply systems , pressure systems , garden irrigation.
Typology: submersible well pump
Family: Monobloc 4"

Well pump performance range:

Flow rate up to 60 l/min (3.6 m³/h)
Head up to 94 m

Application range of the well pump:

- Temperature of the liquid to be pumped +35 °C
- Maximum sand content 200 g/m³
- Maximum immersion depth 60 m with sufficiently long cable
- Vertical and horizontal installation
- Starts/stops: 20 times at regular intervals
- Continuous operation class S1

Installation and use of the well pump

Suitable for pumping clear water from wells with a sand content of up to 200 g/m³.

Due to their high efficiency and reliability, these pumps are suitable for use in private applications such as domestic water supply as well as pressure boosting and irrigation.

Construction and safety standards of the well pump

EN 60335-1
IEC 60335-1
CEI 61-150
EN 60034-1
IEC 60034-1
CEI 2-3
EU REGULATION N. 547/2012

CERTIFICATIONS

Company with DNV certified management system ISO 9001: QUALITY

PATENTS - TRADEMARKS - MODELS

- Brevetti europei n° EP3123031, EP2419642

Designed in strong compact construction, the 4" deep well pump (well pump), allows a very good installation. In a monobloc casing, the multistage pump hydraulics is complete with the motor, the integrated condenser
(one saves the additional switch box) as well as the drive shaft of the well pump.

This makes for an inexpensive and reliable product for use in residential or commercial irrigation systems. The deep well pump in the powerful version allows high flow rates. In a drilled or percussion well
(the well pipe should have a minimum pipe diameter of 115 mm, corresponding to DN 115 = 4 1/2"), the Pedrollo well pump delivers 4Blockm 2/12 (100mm diameter) pumps the well water from a maximum depth of 94m meters. The very powerful multistage pump reaches a maximum flow rate of 3.6m³/h and a maximum operating pressure of 9,4 bar. These are the maximum performance values, for garden irrigation the pump needs a working point at 3,5 bar plus installation depth, so that the irrigation system works optimally. These values can be read from the pump curve of the well pump.

For the pump, you can read the available water volume from the characteristic curve. Often the manufacturer's specifications are somewhat misleading, for example, if the maximum pressure of a pump is 5 bar, then this pressure is only available at 0 l/h of water, as soon as water is withdrawn, the pressure drops. It is the same with the water quantity, if e.g. 5000 l/h are indicated by the manufacturer, then only if no pumping height must be overcome.

We operate the system at 3.5 bar (35m pumping height) plus installation depth of the pump.

We explain this on page 29 in our planning manual:
https://dvs-beregnung.de/mediafiles/Sonstiges/19_gartenbewaesserung_web.pdf

To summarize: With the pump characteristic curve, the recommended working and operating point can be read off easily. This value is also decisive for the efficiency of the well pump. If the right choice between performance and
the well pump is correctly dimensioned and can be operated efficiently in the respective installation situation. in the respective installation situation. For the Pedrollo 4Blockm 2/12 well pump, the operating point we recommend is a
nominal head of 60m and a nominal volume of 2.6m³/h. The actual immersion depth of the pump is determined by the water level in the well. In the borehole and should be taken into account when designing the pump. In addition, calculate with a pressure loss in the installation of approx. 0.2 bar in the solenoid valve and the friction loss of the PE pipes. At www.druckverlust.de you can enter the piping, the desired pipe diameter, the volume strains and the piping lengths based on the dimensions of the garden and thus calculate the pressure loss. Similarly, elevation changes in the terrain and unforeseen changes in installation can have an effect. Therefore, calculate some additional power buffer when sizing the well pump for garden irrigation.

Pedrollo is an innovative manufacturer of well pumps. Quality, material and reliability is in the very first place!

The powerful well pumps from Pedrollo (Italy) are extremely reliable, inexpensive and have proven themselves in many irrigation projects. DVS Sprinkling and Pedrollo stand for high-quality products, with a wide range of applications in the irrigation of private home gardens, commercial green spaces, beds and lawns. With the DVS Sprinkler Planner you can completely plan the automatic garden irrigation and install it yourself. The well pump to feed irrigation water into the automatic garden irrigation system is a good choice.

Durability and quality: the use of high quality materials in the well pump Pedrollo 4Blockm 2/9.

Due to its design, the well pump is maintenance-free, extremely durable and works very energy-efficiently. The high-quality pump housing is made of stainless steel (quality AISI 304) and allows you to safely operate the well pump under water. The well pump works permanently and quietly. The interior of the well pump is very robust. High quality materials stand for a long well pump life: The motor housing, the motor bracket as well as the rotor shaft, filter and pump shaft are made of stainless steel (AISI 304 quality).

The motor of the well pump (0.75 kW, 230V/50Hz) is lubricated and cooled by an intermediate oil chamber.
A thermal protection integrated in the well pump prevents the overload of the well pump's condenser motor.

The summary of the pump characteristic curve as a table

The optimum operating point is 6.0 bar at a flow rate of 2.6 m³/h. If the pump m well is installed, this means that the well pump hangs e.g. 10m deep in the well shaft and 2.6 m³/h water is available for the irrigation system at the surface at a working pressure of 3.5 bar. With 2.6 m³/h and 32mm PE pipes, it is possible to irrigate up to 260 m² of lawn on one valve circuit, e.g. with Hunter MP rotators. When using drip irrigation and micro irrigation, care should therefore also be taken to ensure that sufficient water is drawn off. If too little water is taken from the irrigation system, the pressure in the line will increase and the Press-Control will constantly turn the pump off and on. Therefore, in these cases, a diaphragm pressure equalization vessel should be installed that is sufficiently large to prevent the life of the pump from being reduced by switching it off and on too frequently.

Head               Capacity
90 Meter         0,6 m³/h
84 Meter         1,2 m³/h
76 Meter         1,8 m³/h
66 Meter         2,4 m³/h
60 Meter         2,6 m³/h
52 Meter         3,0 m³/h
35 Meter         3,6 m³/h

The pumping height can be converted into the working pressure. 67 meters pumping height corresponds to 6.7 bar pressure.

Technical product features of Predollo well pump:

Powerful multistage pump hydraulics
Maintenance-free, durable and energy-efficient
Low noise level during operation
Compact design (monoblock)
Suitable for continuous operation (S1 mode) under constant continuous load
Pump housing and drive shaft made of corrosion-free stainless steel
Energy saving compared to self-priming domestic waterworks and water pumps
Ideal price-performance ratio for garden irrigation

How to install and operate the Pedrollo well pump:

The operation of the well pump takes place together with a pump start relay or with a press control (pressure/flow switch) or a pressure switch. For the operation of the well pump, it is mandatory to install a check valve in the pressure line in order to avoid idling and pressure surges. To ensure that the permanent pressure line can be drained before the first ground frost, the check valve should be mounted in an accessible area. Under no circumstances should the well pump be recovered by the power cable, so the pump must be secured with an adequately sized stainless steel cable when lowered into the well shaft.

The Pedrollo 4Blockm 2/12 well pump is suitable for the following applications:

water supply from wells, cisterns, lakes and other clear water sources
Garden irrigation with lawn watering, bed and hedge watering
Irrigation of gardens and orchards in rural areas
supply of gardens in the area of family houses, farms
Pressure boosting and fountains

Technical data of Pedrollo well pump:

4" pump 4Blockm 2/12
Manufacturer: Pedrollo
Pump diameter: 100mm
Connection size: 1 1/4"
Connection type: internal thread
Electrical power: 0,75kW
Operating voltage: 1x230V
Max. Head: 94m
Optimal nominal head: 60m
Max. Conveying capacity: 3,6m³/h
Optimal nominal conveying capacity: 2,6m³/h
Max. Pressure: 9,4bar

Important notes on the operation of the Pedrollo well pump:

The Pedrollo well pump is suitable for pumping the clearest possible water with sand content of maximum 200 grams / liter. To protect the pump and the internals, a sand quantity of 80 grams / liter should not be permanently exceeded.
Basically, it can be said that the higher the sand content in the well water, the higher the wear of the pump. For a production well of 6" (150 mm) inner diameter, a cooling jacket is required if the flow rate is less than 6 m³/h.

The delivery includes the well pump Pedrollo 4Blockm 2/12, 20m cable without plug.
The pump and its material are approved for drinking water applications. A manual is included with the pump.

Italian pump manufacturer PEDROLLO is one of the most important and largest companies specializing in the design and production of pumps in the field of well water, cistern water and booster sets for use in garden irrigation and other applications. PEDROLLO is one of the most advanced pump developers and manufacturers. Pedrollo produces the pumps in Europe and offers the pumps at an attractive price / performance Ratio.