Double Helical Rotary Gear Pump
Double Helical Rotary Gear Pump Details
Double Helical Stainless Steel Rotary Gear Pump (Series - DRMS)
We are manufacturer Of Rotary twin Gear Pump , Double Helical Rotary Gear Pump Under The Brand Name Of "DURGA PUMPS"
We are 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 |