PW Self Priming Pump
  • PW Self Priming PumpPW Self Priming Pump
  • PW Self Priming PumpPW Self Priming Pump

PW Self Priming Pump

terms of Use• Liquid temperature up to 60°C
• Ambient temperature up to 40°C
• Total inhalation rise up to 9 m
• Continuous operation
PW Self-Priming Pump is supplied complete with a check valve. The pump should be installed indoors or at least protected from inclement weather.

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Product Description

PW Self Priming Pump

Application

Suitable for clean water without crushed particles and for liquids that are not chemically aggressive to the materials used to make pumps.

Because of their compactness, reliability and ease of use, they are suitable for domestic applications such as water distribution in combination with low pressure devices, for irrigation in the garden and distribution area, for pumping water from a tank, as well as for all other cases, when air or water may be present in the water to be pumped. The pump is equipped with a plate check valve.

Pumps should be installed in a closed environment or at least protected from bad weather.


Component structure

• Pump housing: cast iron

• Pump bracket: cast iron

• Motor housing: aluminum

• Impeller: brass

• Motor axis: carbon steel, AlSI304 SS if required

• Mechanical seal: ceramic / graphite


Engine

• Bipolar induction motor (n = 2850 rpm)

• Insulation class B

• Protection IP44

• Continuous service Sl

• Thermal protection

• Single phase 220 V / 50 Hz, 60 Hz (if necessary)


Model Input power Maximum flow
(L/min)
Maximum head
(M)
Maximum range
(M)
Quantity
(Setup)
KW HP
PW125 0.125 0.17 2.0 24 8 1600
PW250 0.25 0.34 2.2 30 8 1600
PW370 0.37 0.5 2.4 36 8 1600
PW550 0.55 0.75 3.0 42 8 1320
PW750 0.75 1 3.4 50 8 1320


Performance chart

Performance graph n = 2850 RPM


Package size

Model Input/output N.W L×W×H
(inches) (Kg) (mm)
PW125 1"×1" 7.9 295×230×300
PW250 1"×1" 8.2 295×230×300
PW370 1"×1" 8.6 295×230×300
PW550 1"×1" 11.6 310×245×350
PW750 1"×1" 12.8 310×245×350


Decomposition diagram

Numbers Notes Numbers Notes Numbers Notes Numbers Notes
1 Latch 14 Pol 27 Fan cover 40 "O" Ring
2 Latch 15 Latch 28 Fan 41 Protective screen
3 Spring washer 16 Puck 29 Pilot's hat 42 Loading plug
4 Pump housing 17 Nuts 30 Cable press 43 "O" Ring
5 pump housing tablet 18 Housing with wound stator 31 Latch 44 Tablets, tablets
6 Wheel 19 In Fairlea 32 Condenser 45 check valve
7 pump support plate 20 Electric cable 33 Ternin cover 46 Screen
8 Clamp ring 21 Key 34 Connection box 47 Surface coating
9 Mechanical seal 22 Fall protection 35 Latch 48 "O" Ring
10 "O" Ring 23 Relationship 36 Ring 49 Latch
11 Latch 24 Latch 37 Pressure switch
12 Pump bracket 25 Stator 38 Pressure Capacity
13 Rotor 26 Open ring 39 Latch





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