Crankshaft

Structure:: Eccentric

Material:: Steel

Brand Name:: HNA

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Hainuoao Petroleum Machinery Company

Taiwan

Address:Landong

Contact:Frank Tsou

Tel:886-02-25020236

Fax:886

Type:Manufacturers

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HNA brand crankshaft is made of cast alloy steel. Eccentric ring gear, connection rod and bearings are mounted on it. The eccentric ring gear is herringbone. When assembly, the herringbone bore and crankshaft are of interference fit and fastened with bolts and lock nuts. Big ends of connection rod are mounted on three eccentric straps of the crankshaft via single row cylimndrical roller bearings. Small ends are mounted on crosshead pin via double row cylindrical roller bearing. Double row radial spherical roller bearings are mounted at either end of the crankshaft.

We have been engaged in manufacturing series of quality mud pumps and spare parts for oilfield machinery since early 1990's. The main products are sold to USA, Mid-Asia, Canada, Mexico, Middle East and Russia. The mud pumps are used in oil drilling and mining. We can supply series of mud pumps (like F-500, F-800, F-1000, F-1300, F-1600 and PZ series) and a full line of fluid end expendables for popular mud pumps in the world, including Continental Emsco, National, Gardener Denver, Oilwell, Ideco, Wheatly, Wilson, Wirth, OPI, Ellis Willianms, Skytop / Brewster, etc. We currently manufacture over 2000 major products such as valves & seats, modules, gaskets, plates, crosshead and crosshead guide, hydraulic seat puller, snap rings & valve rings, Hy-chrome liners, chrome-plated liners, hardened steel liner, piston hubs, piston & piston rubbers, piston rods and extension rods, cylinder heads & valve covers, drilling tools and other expendables. In fact, as a leading oilfield machinery company, we have revolutionized the triplex premium chromium liners and our patent HP liners have dominated the market with Chinese patent No. : ZL03269409. 1 since late 1990's. We guarantee that our parts are completely interchangeable with those offered by OEMs with no modification of existing equipment. The warranty extended by HNA meets or exceeds the warranties offered by the OEMs. As one of the leading manufacturers, our mission is to supply drilling contractors quality products at competitive prices with responsive services.

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