DLSY supplies replacement parts for the Gardner Denver PZ7 mud pump, a 550 HP unit factory-rated to 3925 PSI with a 7 in stroke at 145 SPM. We stock 362 distinct items for this model — 46 piston, 18 valve, 7 spring and 10 liner variants, plus bearings, connecting rod hardware and liner clamps. Parts ship under HS code 84139100 to Canada, the United States and international oil & gas markets.
FAQ
Do you stock replacement parts for the Gardner Denver PZ7?
Yes. DLSY stocks 362 distinct items for the PZ7, including 46 piston, 18 valve, 7 spring and 10 liner variants, plus crankshaft, connecting rod and transmission shaft bearings and liner clamps.
What are the factory ratings of the PZ7?
Per factory data, the PZ7 is rated at 550 HP input power, 3925 PSI maximum working pressure, a 7 in stroke and 145 SPM rated speed.
What liner sizes and pressures are available for the PZ7?
Factory data lists, among others, a 6 in liner rated to 1745 PSI, a 5 in liner to 2495 PSI and a 4 in liner to 3925 PSI. We stock 10 liner variants for this model — tell us your bore size and we will confirm availability.
How long do PZ7 pumps and parts last in service?
The PZ7 was designed with a ductile iron power end and a high-strength alloy steel fluid end for long, heavy-duty operation and reduced downtime. Actual service life depends on mud condition and maintenance; using correct-fit replacement parts helps protect it.
Can you ship PZ7 parts to Canada or the United States?
Yes. We ship regularly to Canada, the United States and international oil & gas markets under HS code 84139100.