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Del Pd Pumps & Gears Private Limited



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RDRN Type Rotary Gear Pump


RDRN Type Rotary Gear Pump 01 RDRN Type Rotary Gear Pump 02 RDRN Type Rotary Gear Pump 03 RDRN Type Rotary Gear Pump 04

We are flexible in offering the product basket in the committed time span as we have advanced logistics facilities available. With the aid of diligent professionals and smart packaging system, we can easily render bulk and customized packaging requirements of the patrons. Also, we ensure that the packed lot has shock sustainability to circumvent loss during transit.

 

Overview : From 1/2. to 6" NB Size (Flanged to ASA 150 Class)Capacity, From 0.5 TO 200 WTI, Pres-up to 11 Kaden, Viscosity up to 1,00,000 - est, temperature - up to 110110ºC

  • Compact
  • Economical
  • Low Noise

 

Advantages

  • Herrigbone rotos design eliminates side thruts.
  • Modified tooth profile enhances the tooth life.
  • Floating gear-design ensures uniform load distribution.
  • Low-leakage path by design improve volumetric efficiency.
  • Extra thick shaft reduces bending effectively.
  • Sleeve on shaft make maintenance economical & easy.

 

Pump Characteristics : Gear pump is a rotary positive displacement pump with positive pressure characteristics. The capacity of the pump varies directly with speed but remain constant against pressure, however due to running clearance between the casing & impeller some liquid always by-passes to suction causing sleep, which depends upon the differential pressure, viscosity of the liquid & ofcourse the workmanship. The pumps are capable of handling any vcosity, the sleep reduces with viscosity but the viscous power increases. The punp has a self-priming capability however some net positive suction head (NPSH) is always required to avoid cavitations depending upon the viscosity of the liquid to be pumped & the pump speed.

 

Internal power losses : The internal power losses in rotary pumps are of two types. The mechanical losses is the power necessary to overcome frictional drag of all the moving part within the pump While viscous losses is power requited to overcome fluid viscous drag & shearing action of the fluid, this can be computed from the graph on the opposite side.

 

H.P. calculation : The break horse power required to drive a rotary pump is sum of the theoretical HP & internal losses. The theoratical power is the actual work done in moving the fluid from inlet port to out let pressure condition & is product of Constant C=0.037, Capacity in cub. Mt./hr. & Pressure Kg/Sq. Cm or Constant=2.39, Capacity in us GPM & Pressure in PSI.

 

Pump Selection & uses : The bush bearing type of pump can be used for clean viscous liquid having sufficient lubricating value such as clean tube oil, Vegitable oil, Fish & Animal oil, Gear oil, Glycerine Hydraulic oil, Honey,ASMI & SAE lubricating oil for intermittant duty. However for continues duty pump with needle roller bearing in 'RDRN' series should be selected. For liquid having low viscosity,poor lubricating values or Containing dirts or impurities such as Crude oil, Dirty lube oil, HSD,Kerosene,LDO,Paints, Sugar solution, Turpentine, Varnish, WoodPulp. Pump with independently lubricated bearing should be selected. For liquid which tends to solidify at room temperature such as Ashphalt, Bituman, Fumace oil, Tar, Cellulose, Starch, LSHS, HPS, Molasses, Naptha, Phenol resin, RFO, Silicate, Soap solution,Viscous,Wax etc. Jacketing constructions hould be selected to facilitate the heating or the pump by steam or thermic fluid.

 

Inspection & testing : All Pumps are individialy tested for its performance as per JIS B-8312-1976. Third party inspection is also offered to following agencies with whom we are already registesed as an approved supplier of these pumps.

 

Pump Motor Coding

  • Sign # Indicates Pump Size - 5-short, 6-medium, 7-long
  • Sign @ Indicates Pump Type - 0-RDRB, 1-RDRBJ, 2-RDRN, 3-RDRNJ, 4-RDRX, 5-RDRXJ
  • Sign * Indicates Motor Type - W-NON-Flame Proof, X-Flame proof motor


Parts List with Material of Construction

Item Qt Material
Pump Casing 1 CI/CS/SS
Front Cover 1 CI/CS/SS
Back Cover 1 CI/CS/SS
Gland Cover 1 CI/CS/SS
Rotor Shaft 1 EN 9/19/SS
Stator shaft 1 EN 9/19/SS
Impeller Gear 4 EN 24/SS
Needle Brg. 4 IKO/INA
Wear Plate 4 Bronze
Lifting Hook 1 Steel
R.V. Housing 1 Mal.Iron
R.V. Piston 1 EN 8/SS
R.V. Spring 1 Spri. Steel
R.V.AD Screw 1 EN 8/SS
Base Plate 1 M.S.
Coup. Guard 1 Alumn.
Coupling 1 Flexible
Coup. Key 1 EN 8/SS
Sealing Sys. 2 OS/MS/GP
Dowel Pin 4 Silv. St
Comp. Flange 2 MS/SS
H/T Hex Bolt 12 En 8/SS

Available Model Size & Capacity

Size
&
Model
1440 RPM Capacity Pump
GD2in KGM2
Elec.
Motor
H.P.
FR. Size
LPM US GPM M3/HR
1/2"
50
SML
8.30
16.60
25.00
02.20
04.40
06.60
0.50
1.00
1.50
0.0008
0.0009
0.0010
0.50
0.75
1.00
71M
80M
80M
1"
100
SML
33.30
50.00
60.00
08.80
13.20
15.84
2.00
3.00
3.60
0.0007
0.0008
0.0009
0.75
1.00
2.00
80M
80M
90L
1.1/2"
150
SML
83.30
100.00
125.00
22.00
26.40
33.30
5.00
6.00
7.50
0.0008
0.0008
0.0032
2.00
3
5.00
90L
100L
112M
2"
200
SML
150.00
166.00
200.00
39.00
44.00
52.80
9.00
10.00
12.00
0.0068
0.0074
0.008
3
5.00
7.50
100L
112M
132S
2.1/2"
250
SML
250.00
299.88
333.30
66.00
79.20
88.00
15.00
18.00
20..
0.01
0.013
0.015
5.00
7.50
10.00
112M
132S
132M
3"
300
SML
415.00
449.82
500.00
105.00
118.00
132.00
25.00
27.00
30.00
0.02
0.024
0.027
10.00
12.50
15.00
132M
160M
160M
4"
400
SML
599.76
666.66
833.30
158.40
176.00
220.00
36.00
40.00
50.00
0.056
0.062
0.072
15
20
25.00
160M
160L
180M
5"
500
SML
1000.00
1250.00
1499.00
264.00
330.00
396.00
60.00
75.00
90.00
0.098
0.112
0.177
20
30.00
40.00
160L
180L
200L
6"
600
SML
1660.00
1832.60
2083.00
440.00
484.00
550.00
100.00
110.00
125.00
0.27
0.31
0.335
30.00
50.00
60.00
180L
225S
225M
6"
600
SML
2499.00
2915.50
3332.00
660.00
770.00
880.00
150.00
175.00
200.00
0.4561
0.542
0.601
50
75.00
100.00
225S
250M
280S

Dimensions

Size
&
Model
Dimensions Weight
Bp-cou
pump
Bp-cou
in Kg
Overall Mounting Shaft Flange
A1 J
A
J1 L1 K1 F1 B
C
S
S1
E
F
H
I
H1 T1
T
E1 C1 B1 I1 D
R1
K
L
P
Q
M
N
G
R
1/2"
50
SML
503
538
538
122

239
262
283
283
500
525
525
145
170
170
125
130
130
80

100
8

15
91

150
80

69
158
163
163
75

10
37
36
36
340
365
365
112
125
125
147
152
152
11.5

4
22

30
4

13
16

60
89

4
11.5
8.00
12.00
1"
100
SML
570
570
620
136

271
288
288
315
600
600
650
145
145
180
139
139
146
90

110
10

15
100

160
90

74
168
168
175
75

10
26
26
26
360
360
410
120
120
140
151
152
159
15

4
25

30
5

17
16

79
108

4
12.2
14.0
13.1
1.1/2"
150
SML
667
697
742
160

318
320
328
353
625
750
750
165
205
230
165
163
175
105

130
10

15
119

180
100

80
180
178
190
75

12
3
30
26
375
500
500
130
170
190
160
158
170
21

4
25

40
6

23.5
16

98
127

4
14.0
22.5
18.00
2"
200
SML
738
783
853
174

359
340
353
398
775
800
800
210
230
256
177
177
197
110

150
12

15
133

200
112

90
190
190
210
75

14
50
65
50
525
550
600
170
190
216
168
168
188
24

4
39

50
8

27
19

121
152

4
17.5
28.00
20.8
2.1/2"
250
SML
842
913
953
200

419
377
398
398
800
900
950
249
255
255
203
203
203
130

160
15

15
163

220
132

106
204
210
210
75

15
35
50
50
550
650
700
205
216
216
184
184
184
27

4
40

55
8

30
19

140
178

4
18.5
43.00
22.5
3"
300
SML
1015
1113
1113
240

481
451
528
528
1050
1100
1100
287
304
304
243
243
243
160

220
18

19
168

240
160

131
263
263
263
100

22
84
75
75
750
800
800
240
254
254
234
234
234
32

4
49

60
10

35
19

152
190

4
22.0
59.00
33.00
4"
400
SML
1186
1231
1296
274

554
548
548
568
1200
1250
1300
315
310
330
277
277
277
180

270
18

19
189

280
180

145
283
283
283
100

25
58
58
90
800
900
900
265
254
279
248
248
248
37

4
54

65
10

40
19

190
229

8
40.0
82.0
47.2
5"
500
SML
1292
1357
1447
293

615
603
313
673
1350
1400
1400
300
365
380
306
296
296
200

280
19

22
215

300
200

160
338
328
328
125

25
55
125
116
950
1000
1000
254
300
318
298
288
288
47

4
60

85
14

50.5
22

216
254

8
58.0
150.0
50.5
6"
600
SML
1432
1608
1608
343

690
643
728
728
1500
1650
1650
305
420
420
351
346
346
220

350
20

22
215

340
225

178
358
353
353
150

25
183
137
137
1100
1150
1150
245
356
356
311
306
306
52

4
80

95
16

56
22

241
279

8
50.5
175.0
76.0
6"
600
SML
1667
1882
1882
357

749
778
853
853
1650
1800
1850
430
480
530
360
406
390
380

240
22

22
230

360
250

200
403
433
433
150

28
136
126
126
1150
1350
1350
356
457
457
353
383
383
57

4
81

100
16

59
22

241
279

8
77.7
190.0
87.00

Graph 01

Graph 01

Graph 02

Graph 02