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The crosshead is a vital part for the power end of mud pump in petroleum drilling. It acts as a pump component for connecting a piston with the extension rod. This mud pump part plays a guiding role. Its size precision decides the stability of operation of the whole mud pump. The crosshead assembly produced by RUNDONG Company is precisely forged from ductile cast iron beyond the industrial standard, which provides improved mechanical properties and elongation. Through heat treatment and parkerizing process, it eliminates the internal stress generated from the casting process and also increases its corrosion resistance. The crosshead centerline is determined prior to CNC machine processing. The error of all finishing size from the centerline has to meet the requirement of the drawing. In this way, the coaxially of the crosshead and the stability of both geometric size and power supply can be strictly guaranteed. The crosshead assembly covers a full range of BAOSHI, QINGSHI and LANSHI brand pumps. Both metric and imperial accessory products can be provided to meet the requirement of customers.

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

Crosshead surfaces are hardened while leaving crosshead guide un-hardened, allowing the wear to concentrate on the guides because of this hard-soft combination, thus extending the life of the crosshead

Central lubrication manifold system with Stainless Steel tubing for feeding all main, eccentric, and pinion bearings. Pressurized lubrication is also provided to the upper and lower crosshead slide for longer crosshead life

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

American Mud Pumps LLC: warrants its products to be free from defects in material and/or workmanship under normal use and service for a period of one(1)year from the date of shipment. The liability for any defects shall be limited to the repair or replacement of such products, or at the option of American Mud Pumps LLC the refunding of purchase price. This warranty is expressly in lieu of all other warranties and representations, expressed or implied, and all other obligations or liabilities on the part of American Mud Pumps LLC, which shall not be liable for consequential damages for any breach of warranty."

American Mud Pumps LLC is a quality independent company. We are neither a licensee, nor affiliated with any other original equipment manufacturer (OEM) which may be named throughout. The manufacturers" names or trademarks used herein are solely for identification purposes and are not intended by American Mud Pumps LLC to cause confusion as to the source, sponsorship or quality of the parts provided by American Mud Pumps LLC. The OEMs named throughout this catalog do not sponsor, promote, warranty or endorse American Mud Pumps LLC products. Part number usage is for identification purposes only."

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

A mud pump (sometimes referred to as a mud drilling pump or drilling mud pump), is a reciprocating piston/plunger pump designed to circulate drilling fluid under high pressure (up to 7,500 psi or 52,000 kPa) down the drill string and back up the annulus. A mud pump is an important part of the equipment used for oil well drilling and manufactured according to API specification 7K.

The advantages of the drilling mud pump include the ability to move high-solids-content fluids laden with abrasives, the ability to pump large particles, ease of operation and maintenance, reliability, and the ability to operate over a wide range of pressures and flow rates by changing the diameter of pump liners and pistons.

The fluid end includes cylinders (module), valve assembly, cylinder liners, piston assembly, suction manifold, discharge manifold, piston rod, pulsation dampener assembly, etc.

As an important equipment for oilfield drilling operation, a drilling mud pump delivers circulating high-pressure drilling fluid or drilling mud to the bottom of the oil well, flushes the bottom of the well, breaks the rock, cools, lubricates and clean the drill bit, and carries the cuttings back to the ground.

The drilling mud is also used to suspend and carry out drill cuttings from the drill bits as it is brought in and out of the hole. This ensures that the drill bit does not clog and overheat, and makes the entire drilling operation smooth and safe.

Rotational power is supplied to the mud pump through an external power source like a diesel engine or electric motor. The power end of the mud pump converts the rotational energy through a crankshaft to a reciprocating motion of pistons.

The pistons move back and forth in mud pump liners, exerting a force on the cylinder chamber. During the retraction of the piston, valves open to allow the fluid to be drawn into the cylinder. Once the piston has fully retracted, it is pushed back into the cylinder.

For Fluid End: piston rod clamp, piston rod, piston assembly, cylinder cover, liner, liner flange, wear plate, cylinder, valve assembly, valve cover, valve guide, flashboard assy., cylinder cover flange, cylinder head, gaskets, studs, nuts, seal rings, pulsation dampener, bladder, discharge manifold, suction manifold, etc.

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

Crosshead is a system that creates linear reciprocating motion derived from the crankshaft’s rotary motion through the connecting rod. The reciprocating motion of the crosshead is applied to the piston via the extension rod. The crosshead is the critical part of the power end of the mud pump.

1).--Crosshead Assembly consists of the crosshead, crosshead pin and crosshead guide plate(slide), etc. BAORUI can supply crossheads, crosshead pins, and crosshead slides(guide plates) for most of the mud pump models.

* The crosshead slides in the upper and lower guide plates, pushing the extension rod to transfer the power to the fluid end. One end of the crosshead is fixed to the extension rod. The crosshead connects the small end of the connecting rod by the crosshead pin.

* Besides the F-500 mud pump that is cylindrical structure, upper and lower guide structures are used for other mud pumps so that the concentricity can be adjusted by adding space under the lower guide.

* The connection between the crosshead and the extension rod is made by using bolted flange. The rigid connection ensures the concentricity of the crosshead and the extension rod.

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

Crosshead is a system that creates linear reciprocating motion derived from the crankshaft’s rotary motion through the connecting rod. The reciprocating motion of the crosshead is applied to the piston via the extension rod. The crosshead is the critical part of the power end of the mud pump.

1).--Crosshead Assembly consists of the crosshead, crosshead pin and crosshead guide plate(slide), etc. BAORUI can supply crossheads, crosshead pins, and crosshead slides(guide plates) for most of the mud pump models.

* The crosshead slides in the upper and lower guide plates, pushing the extension rod to transfer the power to the fluid end. One end of the crosshead is fixed to the extension rod. The crosshead connects the small end of the connecting rod by the crosshead pin.

* Besides the F-500 mud pump that is cylindrical structure, upper and lower guide structures are used for other mud pumps so that the concentricity can be adjusted by adding space under the lower guide.

* The connection between the crosshead and the extension rod is made by using bolted flange. The rigid connection ensures the concentricity of the crosshead and the extension rod.

mud <a href='https://www.ruidapetroleum.com/product/49'>pump</a> crosshead assembly brands

Crosshead has high accuracy and precious dimension and no deformation. Besides F-500 mud pump that is cylindrical structure, upper and lower guide structures are used for other mud pumps, so that the concentricity can be adjusted by adding space under the lower guide. Flange-bolts with pinhole fit are used for connecting crosshead to extension rod.F-500 SLURRY PUMP FITTING PARTS