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External Gear Pumps

External Gear Pumps

Fluid Tech Systems offer “ROTOFLUID” brand gear pump Model “FTNX/FTBX” which is heavy duty flange and foot mounting type positive displacement rotary gear pump. Model “FTNX/FTBX” is modified version of Model “FTRN/FTRB” to achieve high pressure. These pumps having doubled helical finished gears and hardened & ground shafts. Due to double helical gear it prevent axial load and side thrust which help to increase life and performance of pump. Model “FTBX” is a bush bearing type pump which can be used for viscous liquid having sufficient lubricating value for intermittent duty; however for continuous duty pump have needle roller bearing in Model “FTNX” and it will be selected for liquid having low viscosity, power lubricating values.

In these pumps size ½" to 2 ½" are provided with thread at end of suction & delivery and they are available with foot or flange mounting, But in size 3" to 4" are provided with flange at the end of suction & delivery and they are available with foot mounting only. These pumps can be operated up to pressure of 20 kg/cm² with 5.0 LPM to 900 LPM flow capacity. These pumps are suitable for liquid up to viscosity of 1, 00,000 SSU and maximum temperature up to 200°c.

Material of Construction
Part Material For FTNX Material For FTBX
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-19 EN-19
Gear EN-24/EN-353 EN-24/EN-353
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
Technical  Specification
Model FTNX/FTBX Suction & Delivery Size Capacity at 1440 RPM
LPM US GPM M³/hr
050-S ½" x ½" 05.00 1.32 0.30
050-M ½" x ½" 8.33 2.21 0.5
050-L ½" x ½" 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" x1¼" 50.00 13.25 3.00
125-M 1¼" x 1¼" 60.00 16.66 3.60
125-L 1¼" x1¼" 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
Features
  • High pressure pump offered to 20 Bar.
  • Heavy duty gear pump design for continuous application.
  • Modification tooth profile enhances the tool life.
  • Floating gear design ensures uniform load distribution.
  • Heavy duty gear pump double helical design prevent axial load and side thrust.
  • Shorter bearing span reduces bending effect.
  • Low leakage path by design improve volumetric efficiency.

Application
  • Power plant.
  • Steel plant.
  • Cement plant.
  • Bitumen plant.
  • Petroleum industries.
  • Refineries.
  • Pumping station.
  • All kind of liquid loading and unloading.

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