Double Helical Rotary Gear Pump (Series - DRRN/DRRX)

Apollo mechanical Industries is manufacturer Of Rotary twin Gear Pump , Double Helical Rotary Gear Pump Under The Brand Name Of "DURGA PUMPS"

Apollo mechanical industries Is Supplier- Exporter Of Double Helical Rotary Gear pump In Bitumen , Refinery , Crude Oil, Mining Industries, Steel Plant , Power plant.

Double Helical Rotary Gear Pump Is Also Known As Bitumen Pump, Crude Oil pump.

Selection Of Double helical Gear pump.

DRRN/ DRRB :

The self lubricated needle roller bearing type Model DRRN used for clean viscous liquid having sufficient lubricating property such as clean lube oil, Gear oil, Animal oil, Fish oil, Hydraulic oil, Honey, Vegetable oil, SAE lubricating oil for continues duty, However for Intermittent duty Bush Bearing type pump Model DRRB used.

Model DRRX :

This Model independent lubricated needle roller bearing type pump is suitable for handling of Crude oil, Dirty lube oil, HSD, Kerosene, LDO, Paints, Varnish, Wood Pulp, Liquid which have poor lubricant value.

Model DRRBJ :

This Model should be selected for liquid which tends to solidify at room temperature such as Bitumen, Furnace oil, Asphalt, Tar, Starch, Molasses, Naphtha, RFO, Silicate, Wax, Soap solution. Because This model have jacketing construction facilitate the heating the pump by steam or thermic fluid.

Material of Constructions

SR ITEM QT MATERIAL
01 Pump Casing 1 CI/CS/SS
02 Front Cover 1 CI/CS/SS
03 Back Cover 1 CI/CS/SS
04 Gland Cover 1 CI/CS/SS
05 Rotary Shaft 1 EN-9/19/SS
06 Stator Shaft 1 EN-9/19/SS
07 Impeller Gear 1 EN-24/SS
08 Needle BRG. 4 INA/IKO
09 Wear Plate 4 Bronze
10 Lifting Hook 4 Steel
11 R.V.Housing 1 MAL./RON
12 R.V.Piston 1 EN-8/SS
13 R.V.Spring 1 SPR.ST
14 R.V.AD.Screw 1 EN-8/SS
15 Base Flate 1 M.S
16 Coup Guard 1 Alumin
17 Coupling 1 Flexible
18 Coup.Key 1 EN-8/SS
19 Sealing Sys. 2 OS/MS/GP
20 Dowel Pin 4 SILV.ST
21 Comp.Flange 2 MS/SS
22 H/T Hex-Bolt 12 EN-8/SS

Technical Specification

Available Model Size & Capacity
Size & Model 1440 RPM Capacity
LPM US GPM M3/HR
1/2"
50
S-M-L
08.30
16.60
25.00
02.20
04.40
06.60
0.50
1.00
1.50
1"
100
S-M-L
33.30
50.00
60.00
08.80
13.20
15.84
2.00
3.00
3.60
1 1/2"
150
S-M-L
83.30
100.00
125.00
22.00
26.40
33.30
5.00
6.00
7.50
2"
200
S-M-L
150.00
166.00
200.00
52.80
44.00
39.00
9.00
10.00
12.00
2 1/2"
250
S-M-L
250.00
299.88
333.30
66.00
79.20
88.00
15.00
18.00
20.00
3"
300
S-M-L
415.00
449.82
500.00
105.00
118.00
132.00
25.00
27.00
30.00
4"
400
S-M-L
599.76
666.66
833.30
158.40
176.00
220.00
36.00
40.00
50.00
5"
500
S-M-L
1000.00
1250.00
1499.00
264.00
330.00
396.00
60.00
75.00
90.00
6"
600
S-M-L
1660.00
1832.00
2083.00
440.00
484.00
550.00
100.00
110.00
125.00
6"
600
S-M-L
2499.00
2915.00
3332.00
880.00
770.00
660.00
160.00
175.00
200.00

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