Specifications
B-16
PUMP & FLUID ENDS
40,000 PSI
PUMP &
FLUID ENDS
US & Canada: 800-231-8192 or 832-590-1300
ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION
1 26487 Deflector 11 53495 Uni-Valve 19 53795 Lube Harness
2 51736 Plunger Coupling 11a 53489 Valve, Suction 19a 27732 Hose Fitting
3
53561 #6 Plunger 11b 55229 Keeper 19b 26465 Nipple
53562 #7 Plunger 11c 55231 Retainer, Spring 19c 53792 Manifold, Lube
4 54101 Gland Nut 11d 27509 Valve, Spring 19d 27101 Ball Valve
5 26464 O-Ring 11e 54143 Seal Kit 19e 60815 Nipple Large
6
27479 #6 Guide Bushing 11f 53491 Valve, Discharge 19f 27475 Needle Valve
27480 #7 Guide Bushing
12
See Pump Discharge Fittings
Pages E-3 & E-4
19g 27740 Hose (order in feet)
7
54116 #6 Packing 20 50295 Trunnion Rod
54117 #7 Packing 13 53754 Manifold 21 51659 Trunnion
8
54096
54097
#6 Sleeve
#7 Sleeve
14 53505 Rupture Disc Holder 22 26468 Cotter Pin
15 27488 Gauge (0-60,000 psi) 23 50889 Pump Wrench
8a 26522 O-Ring 16 28090 Anti-Vibration Gland Set 24 27550 Adapter Plate Bolt
9 54099 Stuffing Box
17 53572
Adapter, 40K Port Male x
9/16” HP Female
25 53602 Adapter Plate
10 54125
Stuffing Box Seal
(Face Seal)
26 51766 Crosshead Stub
18 25607 Manifold Bolt
NLB QUINTUPLEX PUMPS | 250 HORSEPOWER
UNx
™
FLUID END UPGRADE
FLUID END
PART NO.*
PLUNGER SIZE PUMP DISPLACEMENT AT SPECIFIED PUMP SPEEDS
MAX. OPERATING
PRESSURE
NO.
DIAMETER 150 RPM 200 RPM 300 RPM 400 RPM
in mm gpm lpm gpm lpm gpm lpm gpm lpm psi bar
53700 #6 0.600 15.24 3.9 14.8 5.2 19.7 7.8 29.5 10.4 39.4 40,000 2,750
53705 #7 0.670 17.02 4.9 18.4 6.5 24.6 9.7 36.8 13.0 49.1 40,000 2,750
*Includes gauge, adapter and two rupture disc holders. Electric units require bypass valve, not included.
PART BREAKDOWN
LUBE HARNESS
(Item 19)
11a
11b
11c
11d
11e
11f
UNI-VALVE
(Item 11)










