Maxfully offers a full line of single acting triplex mud pumps, the NF Series, rated from 500HP to 1,600HP. Small, compact and efficient, our NF series is compatible to the industry-recognized F series. It has longer stroke lengths than the others and therefore less number of strokes per minute is needed for the same output. This special feature enlenghens service life and enhances reliability. It is versatile in application and especially suitable for medium to deep oil wells. Our NF Series are designed to meet with API 674 / SY5138 latest edition.