2016年11月4日星期五

and API-standard compliant

hydraulic piston pump can tolerate suspended small solids in abrasive applications but gradually will wear and lose performance.
Gear pumps are available in a variety of materials of construction, including cast iron, cast steel, stainless steel, high-nickel alloys and lightweight advanced aluminum alloys.
The gas station pump  usually come in numerous optional designs, such as close-coupled, abrasion-resistant and API-standard compliant.

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