how to install bomco mud pump crosshead made in china

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Crosshead: A system which 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.

A crosshead is a mechanism used in large reciprocating engines to eliminate sideways pressure on the piston. The crosshead of mud pump produced by our company is made of high quality wear resistant with special techniques. It features little deformation, higher precision and very little tolerance.

The crosshead is the critical part on the power end of the mud pump. It slides in the upper and lower guide plates, motivating the intermediate draw bar to deliver driving force to the hydraulic end. One of its ends fixes the intermediate draw bar. The cavity connects the small end of the connecting rod through cross head pin.

The material of the crosshead is nodular cast iron with the strength of extension of more than 600MPa, which ensures high intensity and abrasive resistance.

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.

A: First we discuss order details, production details. Then we issue you an PI for your confirmation. You will be requested to do pr-e paid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25 days if we don"t have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

1,.Crosshead is the significant parts of the power end system for drilling mud pump, the pump transmit power to the fluid end system through the cross head assembly.

Xi"an Kingwell Oilfield Machinery Co.,Ltd is a professional supplier for oilfield products according to the API standard. Our products have exported to USA, Canada, Australia, Egypt, India and Uae, etc with high quality and short supply and good service, our products have got good reputation home and abroad .

Equipped with latest machining facilities. Our company could meet long term production target and be governed efficiently by well-qualified and experienced Board of Directors and Engineers.

We have a team of well qualified and experienced field support personnel for Training. According to customer"s requirements, we provide operation training service for our customers who cooperated with us.

We believe in Customer delight, achieved by the supply of Quality Products & Services and Continual Improvement in our Manufacturing Processes for timely delivery at competitive prices. We work in a professional, competitive, and cost-effective manner consistent with the Customer requirement

Any interest of above products or relative parts, PLS feel free contact back, and we will offer a good price and show you our best service upon received from you.

We mainly manufacturer Emsco F-500, F-800, F-1000, F-1300, F-1600,Gardner Denver PZ-9 and National 12-P-160 mud pumps. The quality products, competitive prices, respensive service and short delivery time earn a lot of reputation for us.

Product Instruction： MP is having a full line of Piston Rods and Extension Rods for triplex and duplex pumps. They are all made by forged premium-grade alloy steel, with thermal refining treatment, which results in the excellent mechanical characteristics.+MORE

Product Instruction：Cylinder cover flange is installed on the front of the hydraulic cylinder, to fix the cylinder cover, which is forged by quality steel.+MORE

Product Instruction：Crosshead is the significant parts of the power end system for drilling mud pump, the pump transmit power to the fluid end system through the cross head assembly. Crosshead is made of the ductile iron by casting process;it has high accuracy and precious dimension and no deformation.+MORE

Product Instruction：MP offers a full range of popular used valve and seat to meet your different drilling demands. HB Premium Stem Guided valve and seat offers proven performance, in a traditional style, along with economical operational costs. And Premium Wing Guided valve and full open seat offers many advantages for today"s higher pressures and faster drilling operations.+MORE

Our liners can meet the API manufacture standards, combining the strength of forged steel hull 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 strictly to a hardness of HRC≥ 61-64. +MORE

The time depends on the MOQ of the order. The delivery time for parts is generally 1-3 days, and equipment is 7-30 days. In addition, contact us to get the full time of the order.

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.

At this time the intake valves are closed and the exhaust valves open, allowing the piston to force the fluid out of the cylinder under pressure. Once the piston reaches its maximum depth into the cylinder, the exhaust valves close and the process repeats.

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.

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Compared with the metal liner, the ceramic liner is wear and corrosion resistant and has extended working life. The ceramic liner helps reduce drilling cost and labor intensity. Made of internationally advanced, new material toughened zirconium oxide, the liner provides fracture toughness of K10-15Mpa (10 times that of the traditional one), and bending strength of σ600-800Mpa. The ceramic liner has excellent wear and corrosion resisting properties, with the Weber number being m18 and the elastic modulus of E200Gpa.

The ceramic liner is the best choice for high pressure mud pumps. It is manufactured strictly in accordance with specific technical standards by use of advanced processing techniques. The ceramic liner comes in various specifications, which come in Φ150～180×310～440mm.

The valve rubber of the valve assembly is made of new type high polymer materials to ensure superior performance, strong impact resistance under high temperature and high pressure.

In order to accommodate every drilling need in various oil fields, we at KINGWELL have developed superior piston assembly for customers. Our piston assembly offers the advantages of reliable performance, strong wear and hydrolysis resistance under high temperature and high pressure.

The piston rod is made of structural alloy steel, which goes through tempering heat treatment to achieve superior mechanical performance. The surface of the piston rod can be treated through phosphatization or galvanization.

The pulsation dampeners shall be installed properly to reduce the pressure fluctuation and smooth the liquid flow. In order to extend the lifespan of the air bag, it is highly recommended to maintain the suggested proportion of the pump pressure to the pre-charge pressure of the air bag for the pulsation dampeners. Generally, the pump pressure shall be 2/3 that of the discharge pressure and no more than 4.5MPa.

1. Compressed nitrogen or compressed air shall be used for air charging. It is prohibited to utilize flammable and combustible gas such as compressed oxygen or hydrogen.

2. During maintenance, the pump pressure and the pressure inside the pulsation dampeners shall be zero. Since the residual pressure is generally small and can not be indicated on the pressure gauge, user shall confirm the pressure carefully to avoid accident caused by low pressure.

The extension rod is an important part for the power end of mud pump in oil drilling. Produced by KINGWELL Company, it is forged from high quality alloy steel. High mechanical performance of the mud pump parts can be achieved through heat treatment. After being processed by CNC machine, this pump rod is ensured with precise geometric size. It is chrome plated with one-sided chrome thickness of over 0.1mm for increased abrasion resistance and extended service life of the alloy steel rod.

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 KINGWELL 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.

Upper and lower valve guides are important parts for the fluid end of mud pump in oil drilling. The upper type acts as a connector of valve spring and valve cover inside the hydraulic cylinder. It plays a guiding role in valve operation. The lower one is a connector of valve spring and hydraulic cylinder inside the cylinder. It has the function of fixing and guiding the valve operation.

Manufactured from domestically famous medium carbon alloy steel, the cylinder head has outstanding mechanical performance and wear-resistant property. The hammer forging, as well as the ultrasonic flaw detection technology, effectively eliminates the crack caused by porosity of metal structure. Our alloy steel cylinder head is machined with advanced CNC machine tool to ensure the small tolerance and good stability for installation. Apart from that, the precisely controlled heat treatment helps us achieve mechanical strength and hardness conforming to the requirement for mud pump.

The cylinder head is an important part for the inlet and outlet of fluid end valve housing. It is generally assembled to the flange of the valve housing. The bottom of the cylinder lid is installed against the positioning plate and the plug, playing the function of fixing.

User shall place the positioning plate into the hole at the pump head in case the installation of valve body assembly of the inlet and the guide apparatus is completed. In the meantime, the sealing ring of the cylinder head shall be put on the plug of the product. The outside of the sealing ring and the plug of the cylinder cover shall be smeared with light oil. Afterwards, push the plug into the opening of the fluid end and smear the thread of the product with lubricating grease. Finally, user shall screw in the thread into the cylinder head and fasten it with the fastening tool and hammer.

The flashboard assembly, also called positioning plate assembly, is an important component for the fluid end of mud pump in petroleum drilling. It has the function of longitudinally fixing the guide and horizontally fixing the cylinder head assembly for a hydraulic cylinder. Flashboards made by KINGWELL Company cover a full range of BAOSHI, LANSHI and QINGSHI brand pumps. All of them adopt high grade alloy carbon steel made by domestic steel plants. They have experienced the CNC cutting, blanking, heat treatment and CNC machining process, which ensures the geometric size. Some models of the product are added with copper blocks in order to increase the abrasion resistance of both flashboard and hydraulic cylinder end face. As mud pump accessories, they are well received by clients from numerous markets.

Scientifically designed, the valve cover is made of first class medium carbon alloy steel from domestically famous brand, for excellent mechanical property and good resistance to abrasion. To avoid the defection such as crack caused by porosity of metal structure, we particularly manufacture the mud pump part with free forging and ultrasonic flaw detection technology. The advanced CNC machine tool enables accurate dimension of the valve cover. By virtue of the precise control on heat treatment, the mechanical strength and the hardness of the valve cover are in compliance with the requirement for mud pump working environment.

The valve cover is an important part for the inlet and outlet of valve housing for fluid end. The bottom of the mud pump valve cover is connected to the valve body guider, to ensure the airtightness and the stability of the water outlet.

Firstly, put the seal ring of the product in the hole of the valve housing. Secondly, user shall smear sealing element and the thread with lubricating grease. Finally, the valve cover shall be fastened with the fastening tool and the hammer.

The wear plate is a kind of pump accessory for the fluid end of mud pump in oil drilling. It has the function of sealing and pressure maintaining for a hydraulic cylinder. All wear parts made by KINGWELL Company adopt high end alloy carbon steel made by domestic steel plants. These wear resistant steel plates have experienced the high temperature forging, heat treatment and CNC machining process, which guarantees geometric size, sealing performance, increased abrasion resistance and durability. Different models and types of wear plate (liner) products and related jackscrews can be offered upon request.

The cylinder flange is a vital part for the fluid end of mud pump in petroleum drilling. As a mud pump element, it plays a role in fixing and sealing the hydraulic cylinder head plug and cover. A high-grade proper flange is adopted for improved cylinder head plug loading condition, increased bearing capacity and extended lifespan. The product made by KINGWELL Company covers a full line of BAOSHI, LANSHI and QINGSHI pumps. It is manufactured from high quality alloy carbon steel by domestic steel plants. This carbon steel flange withstands the high temperature forging, heat treatment and CNC machining process for guaranteed geometric size as well as increased wear resistance and durability.

The valve cover flange is important to the fluid end of mud pump during the oil drilling process. It is an oil drilling tool that has the function of fixing and sealing the hydraulic cylinder head plug and cover. A superior quality proper flange is utilized for improved cylinder head plug loading condition, increased bearing capacity and extended service life. The mud pump part made by KINGWELL Company covers all kinds of BAOSHI, LANSHI and QINGSHI brand pumps. It adopts top grade alloy carbon steel manufactured by Chinese steel plants. As a fluid end part, this product is completed through high temperature forging, thermal treatment and CNC machining in order to guarantee geometric size and also improve durability and wear resistance.

The Yt-100 pressure gauge is made of stainless steel. This pressure measuring device can be installed at axial direction or radial direction. The screw thread of the pressure meter makes the installation of the product easier. Our stainless steel pressure gauge is strictly manufactured according to IP 65 protection level. The measuring accuracy of the pressure gauge is up to 1.5%.

The core box is a container used to store cores which are pulled out by a drill. Rock cores obtained from a drill hole are put into a core tray sequentially and cataloged timely by geologist. The product would be numbered and stored in a core library.

The new type core box is made from new synthesized materials by high pressure injection molding. It is obviously superior to ordinary plastic core tray regarding the resistance to shock, aging, high temperature, extremely cold climate and other aspects. This product is categorized into 2 series and 8 sizes. It is equipped with box cover, flash-board, chains and other accessories. Our drill core box is reliable equipment of long-term storage and convenient transportation for geological exploration and oil exploration.

The 2S gear oil pump is the main element for the lubricating system of the power end for mud pump. This lubricating oil pump is usually installed on the pressure lubrication system, offering lubricating oil for crosshead, crosshead bearing, extension rod, etc.

The corrugated bellow is a kind of tubular elastic rubber product which is connected using a corrugated piece for the mud pump from LANSHI and QINGSHI factories. It plays a role in separating and sealing between the fluid end and the power end of a mud pump. Dezhou KINGWELL Petroleum Machinery Co., Ltd. is capable of producing different models of corrugated pipes. Our company holds an independent rubber accessory factory and the first self-invented rubber injection machine in China. After injection, the raw material can be vulcanized and completed in an integrated mould for only once, which ensures both performance and lifespan of the corrugated bellow.

The plug is an important part for the fluid end of mud pump in oil drilling. Its front part is equipped with cylinder head (valve cover) sealing ring for the sealing and pressure maintaining of a hydraulic cylinder. A top-grade suitable plug is adopted to improve the cylinder head plug loading condition and also increase the bearing capacity and service life. Plugs made by KINGWELL Company cover a full range of pumps from BAOSHI, LANSHI and QINGSHI factories. All of them adopt high quality alloy carbon steel made by domestic steel plants. They are finished by means of high temperature forging, heat treatment and CNC machining so as to achieve guaranteed geometric size, sealing performance, increased durability and wear resistance.

The locking clip is a part of the fluid end of F series mud pump from BAOSHI factory. It has the function of fixing and supporting the guide inside a hydraulic cylinder. The product produced by KINGWELL Company is made from superior quality brass. After being heated, it is bended and completed with specialized equipment for increased wear resistance and extended service life.

The stuffing box is an important component for the power end of mud pump in oil drilling. It plays a crucial part in sealing the lubricating system and the operation inside power end. Its housing produced by KINGWELL Company is precisely cast from ductile cast iron beyond industrial standard for improved mechanical properties and elongation. The adoption of heat treatment and phosphating technology helps eliminate the internal stress generated from the casting process and also improves corrosion resistance. After CNC finish machining, it is tightly assembled with wear-resistant rubber, vulcanized oil seal and sealing ring, as well as the nylon oil seal ring made by the machining center. In this way, the service life of sealing elements inside the stuffing box assembly could be greatly extended. This product is well received by clients.

The cylinder head plug is a vital part for the fluid end of mud pump in petroleum drilling. A high quality suitable plug is adopted for improved loading condition as well as increased bearing capacity and lifespan. The product made by KINGWELL Company covers a full range of BAOSHI, LIANSHI and QINGSHI brand pumps. It is derived from top grade alloy carbon steel made by domestic steel plants. Besides, this product is completed with high temperature forging, heat treatment and CNC machining technology so as to guarantee the geometric size, sealing performance as well as increased durability and abrasion resistance.

The piston rod nut is a kind of anti-loosening nut for the end of piston rod. In common with the material of piston rod, it is made from superior quality alloy steel. The head of the product manufactured by KINGWELL Company is filled with a wear-resistant high strength nylon gasket so as to prevent rod thread from abrasion or being impacted by mud when in use of a piston rod. After heat treatment, this product offers better mechanical property. All models of piston rod nuts in metric and imperial units from BAOSHI, LANSHI, QINGSHI and other factories can be produced to meet the needs of customers.

The discharge filter screen assembly is a main component of the outlet for the fluid end of mud pump in petroleum drilling. It is composed of filter screen assembly, housing assembling as well as sealing ring, end cover and other accessories. The integrated formed filter screen housing made by our company adopts casting technique. The filter screen assembly is manufactured from superior quality alloy steel and assembled after CNC machining. This not only provides excellent corrosion resistance and pressure resistance, but also helps customers increase production efficienc

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Hydraulic cylinder is forged of alloy steel. Three cylinders of one pump are interchangeable with each other. According to customers’ special requirements, to enhance the anti-corrosion performance, the surface of the hydraulic cylinder is supposed to be processed with chemical plating nickel. Pulsation dampener, shear relief valve and discharge strainer are separately mounted on the outlet.

This system is consisted of spray pump, cooling water tank and spray pipelines with the function of the necessary cooling and splashing to liners and pistons to prolong their lifetime.

The splashing pump is the centrifugal pump which can be driven by the belt mounted on the end of input shaft, or can be individually driven by a motor with water as the cooling and lubrication media.

The combination of forced lubrication and splashing lubrication is used for the power end. For the purpose of forced lubrication, the gear oil pump located at the oil tank feeds compressed oil to crossheads, extension rods and bearings respectively via the lubrication pipe lines. More ever, the operation situation of the gear oil pump can be observed by the manometer embedded in the after body of mud pumps.

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.

Mud pumps can be divided into single-acting pump and double-acting pump according to the completion times of the suction and drainage acting in one cycle of the piston"s reciprocating motion.

Mud pumps come in a variety of sizes and configurations but for the typical petroleum drilling rig, the triplex (three piston/plunger) mud pump is used. Duplex mud pumps (two piston/plungers) have generally been replaced by the triplex pump, but are still common in developing countries. Two later developments are the hex pump with six vertical pistons/plungers, and various quintuplexes with five horizontal piston/plungers. The advantages that these new pumps have over convention triplex pumps is a lower mud noise which assists with better measurement while drilling (MWD) and logging while drilling (LWD) decoding.

The fluid end produces the pumping process with valves, pistons, and liners. Because these components are high-wear items, modern pumps are designed to allow quick replacement of these parts.

To reduce severe vibration caused by the pumping process, these pumps incorporate both a suction and discharge pulsation dampener. These are connected to the inlet and outlet of the fluid end.

The power end converts the rotation of the drive shaft to the reciprocating motion of the pistons. In most cases a crosshead crank gear is used for this.

Displacement is calculated as discharged liters per minute. It is related to the drilling hole diameter and the return speed of drilling fluid from the bottom of the hole, i.e. the larger the diameter of drilling hole, the larger the desired displacement. The return speed of drilling fluid should wash away the debris and rock powder cut by the drill from the bottom of the hole in a timely manner, and reliably carry them to the earth"s surface. When drilling geological core, the speed is generally in range of 0.4 to 1.0 m^3/min.

The pressure of the pump depends on the depth of the drilling hole, the resistance of flushing fluid (drilling fluid) through the channel, as well as the nature of the conveying drilling fluid. The deeper the drilling hole and the greater the pipeline resistance, the higher the pressure needed.

With the changes of drilling hole diameter and depth, the displacement of the pump can be adjusted accordingly. In the mud pump mechanism, the gearbox or hydraulic motor is equipped to adjust its speed and displacement. In order to accurately measure the changes in pressure and displacement, a flow meter and pressure gauge are installed in the mud pump.

The construction department should have a special maintenance worker that is responsible for the maintenance and repair of the machine. Mud pumps and other mechanical equipment should be inspected and maintained on a scheduled and timely basis to find and address problems ahead of time, in order to avoid unscheduled shutdown. The worker should attend to the size of the sediment particles; if large particles are found, the mud pump parts should be checked frequently for wear, to see if they need to be repaired or replaced. The wearing parts for mud pumps include pump casing, bearings, impeller, piston, liner, etc. Advanced anti-wear measures should be adopted to increase the service life of the wearing parts, which can reduce the investment cost of the project, and improve production efficiency. At the same time, wearing parts and other mud pump parts should be repaired rather than replaced when possible.

Our fluid end modules are completely interchangeable with the OEM, such as National, Emsco, Gardner Denver, Bomco, Ideco, Oilwell...triplex mud pumps.

The L-shaped two-piece fluid-end was adopted into the market , because it was an obvious improvement over one piece modules. Since the suction module is separate from the discharge module, it is possible to replace the suction module when it wears out instead of replacing the entire fluid end.