DL could supply premium,ceramic,chrome-plated and hardened liners.
300000 Piece/Pieces per Month
Packaging & Delivery
standard export packages,or as per the customers demand.
NOV EMSCO mud pump fluid end bimetal liners:
The premium liner is composed of two kinds metal .the liner sleeve outside is high –quality carbon steel ,the liner sleeve inside is high chromium cast iron .After heat treatment ,the hardness inside can reach to HRC 62,the inner surface must be very smooth ,the bore size with strict tolerance ,and the common service life can reach to 800hours.