LP122A-4000

A German-made reciprocating triplex plunger pump.

Features:
Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals with fabric reinforcing; stainless steel valves and machined stainless steel manifold.

  • LP122A-4000 Exploded View
  • LP122A-4000 Parts List
  • Literature First Pdf Text
  • LP122A-4000 Installation Instructions
  • LP122A-4000 Repair Instructions
  • Troubleshooting Guide

SPECIFICATIONS

U.S. Metric
Max Flow (Continuous) 35.4 GPM 134 L/min
Max Discharge Pressure (Continuous) 1300 PSI 90 bar
Max Speed (Continuous) 800 RPM
Inlet Pressure 90 PSI 6.2 bar
Plunger Diameter 1.65″ 42mm
Stroke 1.65″ 42 mm
Max Temp 140 °F 60 °C
Crankshaft Diameter 35 mm
Crankcase Capacity 116 fl. oz. 3.43 L
Weight 125 lbs. 57 kg
Inlet Ports (2) 1-1/2″ NPT
Discharge Ports (2) 1″ NPT
Shaft Rotation Top of Pulley Towards Manifold
Shaft Mounting Either Side
Key Component Material
Manifold Stainless Steel Manifold
Plungers Solid Ceramic Oxide
Valves Stainless Steel Valves
Seals Nitrile With Fabric Reinforcing
Gear End Spheroidal Cast Iron

 

Click the image to enlarge


HORSEPOWER SPECIFICATIONS

RPM GPM 600 PSI 1000 PSI 1300 PSI 2000 PSI
500 9.6 12.7 15.9 20.7 31.9
555 10.6 14.1 17.6 22.9 35.3
640 12.2 16.3 20.4 26.5 40.7
695 13.2 17.7 22.1 28.7 44.1
750 14.3 19.1 23.9 31.0 47.7
800 15.3 20.3 25.4 33.1 50.9
885* 16.9 22.5 28.1 36.6 56.3

 

*Intermittent duty only

Horsepower Requirements

The ratings shown are the power requirements for the pump. Gas engine power outputs must be approximately twice the pump power requirements shown above.

We recommend a 1.15 service factor be specified when selecting an electric motor as the power source. To compute specific pump horsepower requirements use the following formulas:
Electric HP = (GPM X PSI)/1450
Gas HP = (GPM X PSI)/1100


*Engine power varies based on horizontal or vertical orientation, as well as by makes and models from each manufacturer.
.


REPAIR KITS

ITEM# PART# DESCRIPTION Qty.
Plunger Packing Kit – Part #09477
35A 07740 O-Ring 3
36 13415 V-sleeve, Weep 3
40 07745 V-Sleeve 6
Valve Assembly Kit – Part #09136
46A 07751 Valve Assembly 6
48A 12055 O-Ring 6
Oil Seal Kit – Part #09577
31 07133 Radial Shaft Seal 3

Repair Kits Available

The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.

PUMP CATEGORIES:
Service & Repair

Giant provides service on each pump and accessory that we sell. Many basic repair procedures are covered in the Giant repair manual. For all other questions on service or repair needs please contact your local Giant distributor.