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ARP Circulation Pump

Application
-The ARP circulation pump is used for transferring clean water or other liquids similar to water in physical and chemical properties
-Heating systems with constant or variable flows
-Heating systems with variable flow-pipe temperature
-Heating systems where night setback is desired
-Heating systems where the differential pressure of the pump is too high during periods of reduced flow demand
-Heating systems that require a fully automatic adjustment of the performance to flow demands
-Pressure boosting of water heaters
-Circulation and pressure boosting of domestic water

Pump
Compact design with a perfectly integrated control unit
Rust resistant cast iron pump body
Noryl impeller with heat resistance up to 150°C
99% alumina ceramic shaft
Liquid temperature: 2°C to 110°C

Motor
Insulation class: H
Protection class: IP42
99% alumina ceramic bearing
Copper winding
Power /frequency (V/Hz): 220-240/50
EEI: ≀ 0.23, which complies with the European Directives

ARP Circulation Pump Function Introduction

Mode Pump Feature Function
Auto Max.to min. proportional pressure curve The automatic adaptation function allows the pump to control the performance to within a defined performance range (i.e. adjusting the pump performance to the system size and the variations in load over time). In this mode, the pump is set to proportional-pressure control
PP1 Min. Proportion pressure curve The pump duty point will move up or down on the lowest proportional pressure curve, depending on the heat demands in the system. The pressure is reduced when the heat demand falls, and increases when the demand rises
PP2 Max. Proportion pressure curve The duty point of the pump will move up or down on the highest proportional pressure curve, depending on the heating demand in the system. The pressure is reduced when the heat demand falls, and increases when demand rises
CP1 Max. constant pressure curve The duty point of the pump will move out or in on the highest constant-pressure curve, depending on the heat demand in the system. The pressure is kept constant, regardless of the heat demand.
CP2 Min. constant pressure curve The duty point of the pump will move out or in on the highest constant-pressure curve, depending on the heat demand in the system. The pressure is kept constant, regardless of the heat demand.
ⅱ Speed ⅱ In speed ⅱ, the pump is set to run on the maximum curve under all operating conditions. Quick venting of the pump can be obtained by setting the pump to speed ⅱ for a short period.
Ⅱ Speed Ⅱ In Speed Ⅱ, the pump is set to run on the intermediate curve under all operating conditions.
Ⅰ Speed Ⅰ In Speed Ⅰ, the pump is set to run on the min, curve under all operating conditions.
Night mode The pump changes to automatic night setback, (the minimum performance and power consumption) provided that certain conditions are met.

 

Technical Data of ARP Circulation Pump

Model Voltage /Frequency
(V/Hz)		 Max.Flow
(m3/h)		 Max.Head
(m)		 Power
(W)		 Inlet/Outlet Pipe Size
(inch)		 EEI G.W.
(kg)		 Packing Size
EEI (mm)
ARP15-40/130 220-240/50 2 4.1 22 Ί15 G1×G1 ≀0.23 2.26 154×143×153
ARP15-50/130 220-240/50 2.3 5.2 32 Ί15 G1×G1 ≀0.23 2.26 154×143×153
ARP15-60/130 220-240/50 2.6 6.2 45 Ί15 G1×G1 ≀0.23 2.26 154×143×153
ARP20-40/130 220-240/50 2 4 22 Ί20 G1.25×G1.25 ≀0.23 2.33 154×143×153
ARP20-50/130 220-240/50 2.3 5.1 32 Ί20 G1.25×G1.25 ≀0.23 2.33 154×143×153
ARP20-60/130 220-240/50 2.6 6.1 45 Ί20 G1.25×G1.25 ≀0.23 2.33 154×143×153
ARP25-40/130 220-240/50 2.1 4 22 Ί25 G1.5×G1.5 ≀0.23 2.39 154×143×153
ARP25-40/180 220-240/50 2 4 22 Ί25 G1.5×G1.5 ≀0.23 2.56 198×143×160
ARP25-50/130 220-240/50 2.3 5 32 Ί25 G1.5×G1.5 ≀0.23 2.39 154×143×153
ARP25-50/180 220-240/50 2.3 5 32 Ί25 G1.5×G1.5 ≀0.23 2.56 198×143×160
ARP25-60/130 220-240/50 2.4 6.1 45 Ί25 G1.5×G1.5 ≀0.23 2.39 154×143×153
ARP25-60/180 220-240/50 2.7 6 45 Ί25 G1.5×G1.5 ≀0.23 2.56 198×143×160
ARP32-40/180 220-240/50 2.2 4 22 Ί32 G2×G2 ≀0.23 2.75 198×143×160
ARP32-50/180 220-240/50 2.5 5.1 32 Ί32 G2×G2 ≀0.23 2.75 198×143×160
ARP32-60/180 220-240/50 2.8 6.1 45 Ί32 G2×G2 ≀0.23 2.75 198×143×160

 

Dimension

Materials Table of ARP Circulation Pump

No. Part Material
1 Pump body HT200/AISI304
2 Pump body inset 06Cr19Ni10
3 Body gasket Silicon rubber
4 Impeller PPO
5 Locking 06Cr19Ni10
6 Check ball Silicon rubber
7 Pump support cover
8 Thrust bearing Graphite
9 Thrust bearing rubber mat Silicon rubber
10 Thrust bearing adjusting mat PPO-GF30
11 Rotor
12 Back bearing adjusting mat PPO-GF30
13 Can brg asm
14 O-ring Rubber
15 Drain plug DZR
16 Can brg asm seal Silicon rubber
17 Motor Stator with winding
18 Housing ADC12
19 Screw
20 Nameplate PC
21 Cable outlet nut PA6-GF20
22
23 Screw
24 Tag PC
25 Terminal cover
26 Terminal box
27 Terminal seal Rubber