Shijiazhuang Dongli Petroleum Machinery (DLSY) supplies replacement fluid-end parts for the Aplex SC-170DD HDD pump, with 94 distinct items in our catalog. Coverage includes liner and valve cap seals sized for this model, nitrile rubber O-rings, heavy hex nuts and a valve puller assembly for AR9.5 / FAR9 valves. Parts are exported under HS code 84139100 to Canada, the United States and international oil & gas markets.
FAQ
What Aplex SC-170DD replacement parts does DLSY stock?
Our catalog covers 94 distinct items for this model, including liner and valve cap seals (4.00 in OD x 0.25 in thick), nitrile rubber O-rings, hex nuts and a valve puller assembly for AR9.5 / FAR9 valves.
Which liner sizes does the Aplex SC-170DD use?
Factory data lists 4 in (101.6 mm), 4.25 in (107.9 mm) and 4.5 in (114.3 mm) liners. At the rated 450 SPM, output runs from 173.4 GPM with the 4 in liner up to 219.4 GPM with the 4.5 in liner.
What are the power and speed ratings of the SC-170DD?
The pump is rated at 230 HP input power at 450 SPM, with a maximum flow of 219.4 GPM. The 230 HP ceiling is the key figure when matching a motor or engine drive to the pump.
Can DLSY ship SC-170DD parts to Canada or the United States?
Yes. We regularly export to Canada, the United States and other international oil & gas markets under HS code 84139100. Send us your part list and we will confirm availability and lead time.
How long do SC-170DD seals and wear parts last?
Service life depends on mud abrasiveness, operating pressure and maintenance practice. O-rings and liner/valve cap seals are consumables best replaced at each fluid-end overhaul, so keep spares on hand to avoid downtime.