National 8-P-80 三缸泥浆泵双金属缸套

HNA offers four different type of liners for all popular mud pumps to suit any drilling condition, including Premium Chromium Liners, Ceramic Liners, Chromium-plated Liners and Hardened Liners. Premium Chromium Liners HNA premium liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a high chromium iron inner sleeve. These liners feature a centrifugally cast high chrome iron sleeve which is machined and heat treated to a minimum uniform bore hardness of 62 RC. Each liner is machined to close tolerances to assure ease of installation and long liner life with the inside diameter of these premium liners honed to a mirror-like finish for smooth even wear during the life of the liner. HNA premium liners are made for superior performance under tough corrosive and abrasive conditions. Ceramic Liners HNA ceramic liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a ceramic inner sleeve. We provide Zirconia(ZrO3) Sleeves as well as Alumina(Al2O3.) sleeves., of which Ziconia exhibits better impact strength, higher hardness and be honed to finer surface finishes than alumina.

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	F-1600三缸泥浆泵橡胶活塞胶皮HNA offers a full line of pistons for duplex and triplex mud pumps. All API types are available. Among these are: • Pistons with replacement rubbers Our premium pistons are fully i	HNA offers a full line of pistons for duplex and triplex mud pumps. All API types are available. Among these are: Pistons with replacement rubbers...
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	石油钻探工具	Rotary slips HNA supplies three models of Rotary Slips which accommodate drill pipes from 23/8 to 51/2 inch O.D: SDS—Short Rotary Slips SDM...

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