Product Description
Standard Constructions
Pump Casing Close Grained Cast Iron
Impellers Manganese Bronze
Shaft Stainless SteelAISI410
Bearings Ball bearing at driving end bush bearing at rear end
Gland Packings Graphited Asbestos Packings
Rotation Clockwise looking from Driving end
Application
Irrigation Sprinkler Installations
Water Supply
Pressure Boosting Multi stories buildingsHydro Pneumatic
Water Works Fire Fighting Mining wash down Applications
Hydraulic press Circuits transfer circulation hot cold water
Boiler feed pumps Condensate pumps
Operating range
Capacity 2500 LPM Maximum
Head 400 Mtrs Maximum
Size 1 to 6
Temperature 140c Maximum
Table
|
MODEL
|
SUCTION & DELIVERY SIZE
|
STAGE
|
HP/kW
|
|
|
R-2511
|
25 x 25
|
Single
|
0.5/0.37
|
Head in meter
|
4
|
7
|
11
|
17
|
21
|
23
|
|
|
|
|
|
LPM
|
35
|
32
|
25
|
22
|
13
|
0
|
|
|
|
|
|
Pressure in Kg/cm2
|
2.2
|
1.9
|
1.4
|
0.7
|
0.2
|
0
|
|
|
R-2522
|
25 x 25
|
Two
|
1.0/0.75
|
Head in meter
|
7
|
17
|
32
|
47
|
|
|
|
|
|
|
|
LPM
|
36
|
28
|
16
|
0
|
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
4.7
|
3.5
|
1.8
|
0
|
|
|
|
|
R-2523
|
25 x 25
|
Three
|
1.5/1.1
|
Head in meter
|
8
|
22
|
42
|
57
|
67
|
|
|
|
|
|
|
LPM
|
36
|
29
|
18
|
10
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
7
|
5.3
|
3
|
1.2
|
0
|
|
|
|
R-2544
|
25 x 25
|
Four
|
2.0/1.5
|
Head in meter
|
8
|
22
|
42
|
72
|
102
|
|
|
|
|
|
|
LPM
|
48
|
42
|
33
|
19
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
11
|
9.4
|
7
|
3.5
|
0
|
|
|
|
R-2555
|
25 x 25
|
Five
|
2.0/1.5
|
Head in meter
|
8
|
22
|
42
|
62
|
82
|
120
|
|
|
|
|
|
LPM
|
48
|
42
|
34
|
28
|
18
|
0
|
|
|
|
|
|
Pressure in Kg/cm2
|
13.2
|
11.5
|
9.2
|
6.8
|
4.2
|
0
|
|
|
R-2566
|
25 x 25
|
Six
|
3.0/2.2
|
Head in meter
|
7
|
17
|
47
|
77
|
105
|
127
|
145
|
|
|
|
|
LPM
|
47
|
44
|
35
|
26
|
18
|
9
|
0
|
|
|
|
|
Pressure in Kg/cm2
|
16.2
|
15
|
11.5
|
8
|
5
|
2.1
|
0
|
|
R-3231
|
25 x 25
|
Single
|
1.0/0.75
|
Head in meter
|
8
|
18
|
27
|
36
|
|
|
|
|
|
|
|
LPM
|
69
|
49
|
28
|
0
|
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
3
|
2
|
1
|
0
|
|
|
|
|
R-3232
|
25 x 25
|
Two
|
2.0/1.5
|
Head in meter
|
8
|
18
|
32
|
47
|
67
|
|
|
|
|
|
|
LPM
|
80
|
65
|
43
|
22
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
6.6
|
5.4
|
3.9
|
2.2
|
0
|
|
|
|
R-3233
|
25 x 25
|
Three
|
3.0/2.2
|
Head in meter
|
7
|
22
|
42
|
67
|
95
|
|
|
|
|
|
|
LPM
|
85
|
69
|
51
|
29
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
9.8
|
8.1
|
5.9
|
3.1
|
0
|
|
|
|
R-3841
|
40 X 40
|
Single
|
2.0/1.5
|
Head in meter
|
7
|
17
|
32
|
47
|
58
|
|
|
|
|
|
|
LPM
|
116
|
100
|
72
|
37
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
5.7
|
4.5
|
2.9
|
1.2
|
0
|
|
|
|
R-3844
|
40 X 40
|
Four
|
5.0/3.7
|
Head in meter
|
8
|
28
|
53
|
82
|
142
|
|
|
|
|
|
|
LPM
|
88
|
84
|
75
|
58
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
14.9
|
12.7
|
9.9
|
6.7
|
0
|
|
|
|
R-3852
|
40 X 40
|
Two
|
3.0/2.2
|
Head in meter
|
7
|
27
|
52
|
77
|
117
|
|
|
|
|
|
|
LPM
|
120
|
114
|
91
|
62
|
0
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
12.2
|
10
|
7.2
|
4.4
|
0
|
|
|
|
R-3855
|
40 X 40
|
Five
|
5.0/3.7
|
Head in meter
|
8
|
30
|
62
|
85
|
126
|
145
|
|
|
|
|
|
LPM
|
90
|
86
|
76
|
60
|
48
|
0
|
|
|
|
|
|
Pressure in Kg/cm2
|
15.2
|
12.8
|
9.2
|
6.7
|
2.1
|
0
|
|
|
R-3863
|
40 X 40
|
Three
|
5.0/3.7
|
Head in meter
|
7
|
27
|
52
|
77
|
107
|
145
|
|
|
|
|
|
LPM
|
110
|
98
|
81
|
60
|
40
|
0
|
|
|
|
|
|
Pressure in Kg/cm2
|
15.3
|
13.1
|
10.3
|
7.5
|
4.2
|
0
|
|
|
R-3866
|
40 X 40
|
Six
|
10.0/7.5
|
Head in meter
|
9
|
38
|
73
|
96
|
132
|
166
|
|
|
|
|
|
LPM
|
93
|
88
|
80
|
66
|
52
|
|
|
|
|
|
|
Pressure in Kg/cm2
|
17.4
|
14.2
|
10.3
|
7.8
|
3.8
|
|
|
|
R-5174
|
50 X 50
|
Four
|
7.5/5.5
|
Head in meter
|
6
|
38
|
73
|
108
|
144
|
196
|
|
|
|
|
|
LPM
|
110
|
100
|
80
|
58
|
32
|
0
|
|
|
|
|
|
Pressure in Kg/cm2
|
17.4
|
14.2
|
10.3
|
7.8
|
3.8
|
|
|
High Efficiency and DurabilityEngineered from premium stainless steel, cast iron, or advanced alloys, these pumps maintain high performance in rigorous environments. Their corrosion-resistant design, combined with precision engineering and heavy-duty bearings, ensures consistent operation and a long service lifespan, minimizing downtime and maintenance costs.
Advanced Cooling and Seal ProtectionOur pumps incorporate specialized shaft seal cooling, utilizing water or air, to accommodate working temperatures up to 160C. This feature protects mechanical seals or gland packing from heat-induced wear, extending the operational reliability and maintaining peak efficiency even in challenging, high-temperature settings.
Flexible Applications and CustomizationSuitable for industrial boiler operations, these pumps feature self-priming or non-self-priming configurations and offer both manual and automatic control options. Their versatile design supports single or double suction types, with customizable caliber and capacity to meet varied site demands and system requirements.
FAQ's of Boiler Feed Pumps:
Q: How does the shaft seal cooling system benefit the boiler feed pump during high-temperature operations?
A: The shaft seal cooling system, which can utilize either water or air, helps dissipate heat around the seal area. This prevents excessive temperature buildup, protecting the mechanical seal or gland packing, ultimately leading to reduced wear, extended service life, and improved reliability, especially under high-temperature conditions up to 160C.
Q: What materials are used for the impeller and main components, and why are they chosen?
A: Impellers are made from high-grade stainless steel or cast iron, while the main pump body can be constructed from cast iron, steel, or stainless steel alloys like SS304/SS316. These materials are selected for their corrosion resistance, strength, and suitability for handling hot water, steam, and corrosive feedwater, ensuring long-lasting operation in harsh environments.
Q: When should I select a single suction versus a double suction pump configuration?
A: Single suction pumps are suitable for moderate flow rates and straightforward feedwater systems. Double suction configurations are recommended when higher flow rates or lower NPSH requirements are necessary, as they provide balanced hydraulic loading and stable performance in large-scale boiler applications.
Q: Where are these boiler feed pumps typically installed and what mounting style is provided?
A: These pumps are generally baseplate mounted near boilers in power plants or industrial facilities across India. The horizontal multistage design and flanged inlet/outlet connections allow for stable installation and integration into most feedwater systems.
Q: What processes and features ensure quiet and efficient pump operation?
A: Noise-reducing features, such as precision-balanced components and advanced bearings, combined with a Totally Enclosed Fan Cooled (TEFC) electric motor, maintain noise levels around 75 dB. The centrifugal multistage design contributes to efficient performance and smooth, quiet operation.
Q: Can the pumps be customized for different flow rates and system requirements?
A: Yes. Our boiler feed pumps offer modular options, supporting flow rates from 10 to 500 m3/h, head sizes up to 160 m, and various inlet/outlet calibers (DN25-DN150). Control systems, priming types, and materials can all be tailored to suit specific site and process needs.