Rotary Gear Pump type GDBX / GDNX / GDZX.
With inboard & outboard Bearings.

CITADEL Rotary gear pump is an obvious choice while evaluating your requirement of pumping viscous & semi-viscous liquid with efficiency & reliability.

Type GDBX, GDNX, GDZX are the modified version of GD series pump design to built higher pressure upto 21 bar, without compromising the basic common feature offered by CITADEL Pump viz. compectness, silent, efficient & reliable. A pair of herringbone gears shrunk fitted on hardened & ground shaft forms the rotor of the pump which rotates in a closed machined casing supported on either side on bearing fitted on covers over shorter span.

Type GDBX is self lubricated bronze bush bearing while type GDNX pump is fitted with antifriction needle roller bearings. In type GDZX the antifriction bearing are mounted out-board & are totally isolated from the pumping chamber by four stulfing box fitted either with Mech. seal or Oil seal or Gland packing. This types of pumps are suitable to handle liquid with lowers viscous values.
All these pumps are available in 10 sizes from 1/2" to 6" with 30 capacity range suitable to run at 1440 RPM. The pumps are manufactured in confirmation with API, DIN & JIS standard.
ADVANTAGES :
Herringbone Rotors design eliminates side thrust.
Modified tooth profile enhances the working life.
Floating gear-design ensures uniform load distribution.
Designed low-leakage path improve volumetric efficiency.
Smaller bearing span reduce bending effect.
Simple & sturdily design simplifies maintenance.
AVAILABLE MODEL, SIZE & CAPACITY
Size
&
MODEL		 1440 RPM CAPACCITY
LPM US GPM M3/HR
50 05.00 01.32 0.30
S M L 08.33 02.21 0.50
1/2" 16.66 04.42 1.00
100 25.00 06.60 1.50
S M L 33.32 08.80 2.00
1" 41.65 11.00 250
125 50.00 13.25 3.00
S M L 60.00 16.66 3.60
11/4" 83.00 22.00 5.00
150 100.00 26.50 6.00
S M L 125.00 33.00 7.50
11/2" 150 39.75 9.00
200 166.60 44.16 10.00
S M L 200.00 53.00 12.00
2" 250.00 66.25 15.00
250 300.00 79.50 18.00
S M L 333.00 88.33 20.00
21/2" 350.00 92.75 21.00
300 400.00 106.00 24.00
S M L 450.00 119.00 27.00
3" 600.00 159.00 36.00
400 700.00 185.50 42.00
S M L 800.00 212.00 48.00
4" 900.00 238.50 54.00
500 1000.00 265.00 60.00
S M L 1200.00 318.00 72.00
5" 1400.00 371.00 84.00
600 1666.00 441.50 100.00
S M L 1915.00 508.00 115.00
6" 2082.00 552.00 125.00
PART LIST WITH Material Of Construction.
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 ROTOR SHAFT 1 EN9/19/SS
06 STATOR SHAFT 1 EN9/19/SS
07 IMPELER GEAR 4 EN-24/ SS
08 NEEDEL Bear. 4 INA / IKO
09 WEAR PLATE 4 BRONZE
10 BACK PLATE 2 SS / MS
11 R.V.ASSEMBLY 1 CI / SS
12 STUFFING BOX 4 MS / SS
13 MECH. SEAL 1 DURA
14 OIL SEAL 4 VITONE
15 SEAL COVER 4 MS / SS
16 BASE PLATE 1 MS
17 COUP. GUARD 1 Al.
18 COUP KEY 1 EN - 8
19 MOUNT. BRK. 1 CS
20 COUPLING 1 CI / Al.
21 COMP. FLANGE 2 CI / MS
22 H/T HEX-BOLT - HIGH TON
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