P & D PUMPS & GEARS INDUSTRIES offer “ROTOJET” brand gear pump Model “DPNX/DPBX” (Viscous Liquid Gear Pump - Positive Displacement Pump) which is heavy duty flange and foot mounting type positive displacement rotary gear pump. Model “DPNX/DPBX” is modified version of Model “DPRN/DPRB” to achieve high pressure.
Size:- 1/2" to 4"
Flow capacity:- 5.0 LPM to 900 LPM LPM
Viscosity:- up to 1, 00,000 SSU
Pressure:- up to 20 kg/cm²
Temperature:- up to 200ºc
| Part | Material For DPNX | Material For DPBX |
|---|---|---|
| Pump Body | CI/CS | CI/CS |
| Front Cover | CI/CS | CI/CS |
| Back Cover | CI/CS | CI/CS |
| Gland Cover | CI/CS | CI/CS |
| Rotor/Stator Shaft | EN-9 | EN-9 |
| Gear | EN-24 | EN-24 |
| Needle/Bush Bearing | INA/IKO [Japan] | Non- Ferrous |
| Wear Plate | Non- Ferrous | Non- Ferrous |
| Sealing | “GFO” Pack Teflon / Mech. Seal | “GFO” Pack Teflon / Mech. Seal |
| R.V. Housing | Mild Steel | Mild Steel |
| R.V. Piston | EN – 8 | EN – 8 |
| R.V. Spring | Spring Steel | Spring Steel |
| R.V. AD. Screw | EN-8 | EN-8 |
| Key | EN-8 | EN-8 |
| Hex - Bolt | Mild Steel | Mild Steel |
| Model DPRN/DPRB/DPRX | Suction & Delivery Size | Capacity at 1440 RPM | ||
|---|---|---|---|---|
| LPM | US GPM | M³/hr | ||
| 050-S | 1/2" x 1/2" | 05.00 | 1.32 | 0.30 |
| 050-M | 1/2" x 1/2" | 8.33 | 2.21 | 0.5 |
| 050-L | 1/2" x 1/2" | 16.00 | 04.42 | 1.00 |
| 100-S | 1" x 1" | 25.00 | 06.60 | 1.50 |
| 100-M | 1" x 1" | 33.32 | 08.80 | 2.00 |
| 100-L | 1" x 1" | 41.65 | 11.00 | 2.50 |
| 125-S | 1¼" x 1¼" | 50.00 | 13.25 | 3.00 |
| 125-M | 1¼" x 1¼" | 60.00 | 16.66 | 3.60 |
| 125-L | 1¼" x 1¼" | 83.00 | 22.00 | 5.00 |
| 150-S | 1½" x 1½" | 100.00 | 26.50 | 6.00 |
| 150-M | 1½" x 1½" | 125.00 | 33.00 | 7.50 |
| 150-L | 1½" x 1½" | 150.00 | 39.75 | 9.00 |
| 200-S | 2" x 2" | 166.60 | 44.16 | 10.00 |
| 200-M | 2" x 2" | 200.00 | 53.00 | 12.00 |
| 200-L | 2" x 2" | 250.00 | 66.25 | 15.00 |
| 250-S | 2 ½" x 2 ½" | 300.00 | 79.50 | 18.00 |
| 250-M | 2 ½" x 2 ½" | 333.00 | 83.33 | 20.00 |
| 250-L | 2 ½" x 2 ½" | 350.00 | 92.75 | 21.00 |
| 300-S | 3" x 3" | 400.00 | 106.00 | 24.00 |
| 300-M | 3" x 3" | 450.00 | 119.00 | 27.00 |
| 300-L | 3" x 3" | 600.00 | 159.00 | 36.00 |
| 400-S | 4" x 4" | 700.00 | 185.50 | 42.00 |
| 400-M | 4" x 4" | 800.00 | 212.00 | 48.00 |
| 400-L | 4" x 4" | 900.00 | 238.50 | 54.00 |