PEDROLLO SKR 1.1 Self Priming Centrifugal Pumps Owner’s Manual

PEDROLLO SKR 1.1 Self Priming Centrifugal Pumps

Product Specifications

• Product: SPRINKLER Self-priming centrifugal pumps
• Usage: Clean water Domestic use Civil use
• Performance Range: Head up to 9m
• Electric Motor: Three-phase pumps with IE3 efficiency class, single-phase motors with IE2 efficiency class, class F insulation, IPX4 protection

Product Installation and Use

SPRINKLER is a versatile self-priming pump suitable for various applications including domestic, civil, and irrigation use. It can efficiently draw water even in the presence of air in the liquid. The electric motors are designed to work with inverters for stable and quiet operation.

Product Application Limits

The pump is equipped with IPX4 protection as standard. IPX5 protection and other voltage/frequency options like 60 Hz are available upon request. The head range is up to 9m.

Product Performance Curves

The performance curves comply with EN ISO 9906 Grade 3B tolerance limits. Flow rate (Q) and Total manometric head (H) are key parameters for pump performance.

Product Technical Data

The pump is available in single-phase and three-phase models with different voltage and amperage specifications. Dimensions, weight, and port details are provided for each model.

Product’s Materials and Components

The pump body is made of cast iron with cataphoresis treatment, while the impeller and diffuser are made of NorylTM. The mechanical seal consists of Graphite, Ceramic, and NBR materials. The electric motor features high- efficiency motors with integrated thermal motor protection.

Product Usage Instructions

1. Make sure the pump is placed on a stable surface and securely connected to the water source.
2. Check the inlet and outlet ports for any blockages or debris.
3. Connect the appropriate power supply as per the voltage and phase requirements.
4. Prime the pump by filling the suction pipe with water to remove any air pockets.
5. Turn on the pump and adjust the flow rate as needed for your application.

Frequently Asked Questions (FAQ)

• What is the maximum head range for the SPRINKLER pump?
  The maximum head range is up to 9 meters.

• What materials are used in the construction of the pump body?
  The pump body is made of cast iron with cataphoresis treatment.

PERFORMANCE RANGE

• Flow rate up to 300 l/min (18.0 m3/h)
• Head up to 25.5 m

INSTALLATION AND USE

• SPRINKLER, a versatile self-priming pump designed to ef-fortlessly draw water, even when air is present in the liquid.
• With its reliable performance and user-friendly operation, SPRINKLER is ideal for various applications, including do-mestic, civil, and irrigation.

ELECTRIC MOTOR

• The three-phase pumps are equipped with newly devel-oped electric motors designed to work with inverters, which guarantee stable and quiet operation.
• Efficiency class IE3 for three-phase motors and IE2 for sin-gle-phase motors, with class F insulation and IPX4 protection

APPLICATION LIMITS

• Manometric suction head up to 9 m (HS)
• Liquid temperature between -10 °C and +40 °C
• Ambient temperature up to +40 °C
• Maximum working pressure 10 bar

AVAILABLE UPON REQUEST

• IPX5 protection
• Other voltage and frequency 60 Hz

DIAGRAM

CURVES AND PERFORMANCE DATA – HS=0 m

TYPE| POWER (P2)|

1~

|

3~

| Q| m³/h| 0| 3| 6| 9| 12| 15| 18
---|---|---|---|---|---|---|---|---|---|---|---|---
Single- ph.| Three- ph.| kW| HP| l/min| 0| 50| 100| 150| 200| 250| 300
SKRm 1.1| SKR 1.1| 1.1| 1.5|

IE2

|

IE3

|

H metres

| 24.5| 24| 22.5| 20| 16.3| 11|
SKRm 1.5| SKR 1.5| 1.5| 2| 25.5| 25| 24| 22.7| 20.8| 18.2| 15

Technical data

ABSORPTION

TYPE

Single- ph.

| VOLTAGE

230 V

---|---
SKRm 1.1| 7.5 A
SKRm 1.5| 10.3 A
TYPE

Three- phase

| VOLTAGE
---|---
230 V – t| 400 V – s
SKR 1.1| 5.0 A| 2.9 A
SKR 1.5| 6.7 A| 3.9 A

DIMENSIONS AND WEIGHT

1½”

| ****

1½”

| ****

91

| ****

465

| ****

241

| ****

186

| ****

39

| ****

225

| ****

223

| ****

178

| ****

37.5

| ****

11

| ****

24.5

| ****

24.5

SKRm 1.5| SKR 1.5| ****

25.8

| ****

25.8

PALLET CAPACITY

35

SKRm 1.5| SKR 1.5| ****

35

MATERIALS AND COMPONENTS

1. Pump body Cast iron with cataphoresis treatment, provided with ISO 228/1 threaded ports

2. Cover Cast iron with cataphoresis treatment

3. Diffuser Noryl™

4. Impeller Noryl™

5. Mechanical seal

   • Seal FN-18
   • Shaft Ø 18 mm
   • Materials Graphite / Ceramic / NBR

6. Electric motor

   • SKRm: single-phase 230 V – 50 Hz with winding integrated thermal motor protection

   • SKR: three-phase 230/400 V – 50 Hz
     Pumps are equipped with high-efficiency motors (IEC 60034-30-1)

   • class IE2 for single-phase models

   • class IE3 for three-phase models
     Continuous running duty S1

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