GP7128

Scraped SKU: GP7128 2026-08-23 08:07:18

Attributes

Model NumberGP7128
Product Typepump
Horsepower Chart
{"charts":[{"title":"Horsepower Specifications","columns":["RPM","GPM","3000 PSI","4000 PSI","5000 PSI","5800 PSI"],"rows":[["300","7.2","14.9","19.9","24.8","28.8"],["400","9.5","19.9","26.5","33.1","38.4"],["550","13.1","27.1","36.1","45.2","52.4"],["600","14.3","29.6","39.5","49.3","57.2"],["650","15.5","32.1","42.8","53.5","62.0"],["700","16.7","34.6","46.1","57.6","66.8"],["750","17.9","37.0","49.4","61.7","71.6"]]}]}
Repair Kits
{"name":"Plunger Packing Kit","part_number":"09464","components":[{"item":"38A","part_number":"12055","description":"O-Ring, Seal case","qty":"3"},{"item":"38B","part_number":"07693","description":"Support Ring","qty":"3"},{"item":"38C","part_number":"07354","description":"O-Ring","qty":"3"},{"item":"38D","part_number":"12056","description":"Support Ring","qty":"3"},{"item":"39A","part_number":"13228","description":"Grooved Ring","qty":"3"},{"item":"42","part_number":"13369","description":"V-Sleeve","qty":"6"},{"item":"43","part_number":"06862","description":"Sleeve Support Ring","qty":"3"}]}, {"name":"Valve Assembly Kit","part_number":"09520","components":[{"item":"51B","part_number":"05193","description":"O-Ring","qty":"3"},{"item":"51C","part_number":"04725","description":"Inlet Valve Seat","qty":"3"},{"item":"51D","part_number":"13130","description":"Valve Plate","qty":"3"},{"item":"51E","part_number":"07062-0100","description":"Valve Spring","qty":"3"},{"item":"52B","part_number":"05193","description":"O-Ring","qty":"3"},{"item":"52C","part_number":"04726","description":"Discharge Valve Seat","qty":"3"},{"item":"52D","part_number":"13130","description":"Valve Plate","qty":"3"},{"item":"52E","part_number":"07062-0100","description":"Valve Spring","qty":"3"},{"item":"58A","part_number":"07700","description":"O-Ring","qty":"3"},{"item":"58B","part_number":"07693","description":"Support Ring","qty":"3"}]}, {"name":"Oil Seal Kit","part_number":"09221","components":[{"item":"32","part_number":"07624","description":"Radial Shaft Seal","qty":"3"},{"item":"33A","part_number":"07627","description":"O-Ring","qty":"3"}]}
General Documents{"text":"Giant Industries Limited Warranty","url":"https://www.giantpumps.com/wp-content/uploads/2021/02/Giant-Industries-Limited-Warranty-193.pdf"}

Description

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; stainless plungers with hardened metal coating; nitrile seals with fabric reinforcing; stainless steel valves and machined stainless steel manifold.

Specifications

Flow17.9 GPM, 67.7 L/min
Maximum Discharge Pressure5800 PSI, 400 bar
Crankshaft Speed750 RPM
Power71.4 HP, 53.2 KW
Max Temperature140 °F, 60 °C
Inlet Port Size(2) 1-1/4" NPT
Discharge Port Size(2) 3/4" NPT
Plunger Diameter1.1 in., 28 mm
Stroke2.1 in., 52 mm
Maximum Inlet Pressure145 PSI, 10 bar
Crankshaft Diameter1.9 in., 48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.6 in., 14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US1.6 gal, 6.0 L
Weight375 lbs., 170 kg
Manifold MaterialStainless Steel
Crankcase MaterialSpheroidal Cast Iron
Plunger MaterialStainless Steel with Hardened Metal Coating
Valve MaterialStainless Steel
Seal MaterialNitrile with Fabric Reinforcing
Plunger Packing Kit Part #09464
Valve Assembly Kit Part #09520
Oil Seal Kit Part #09221

PDF Documents