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China, Chinese A4vtg71 Concrete Mixers Trucks Piston Pumps, A4vtg90 Cast Iron Oil Hydraulic Piston Pumps¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

Pump Vacuum Equipment Pressure Pump A4vtg90 Cast Iron Oil Hydraulic Piston Pumps Concrete Mixer Hydraulic Pump A4vtg71 Pump

Taiyuan Jin Tai Technology Co,.Ltd

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Product Description Quality from the Core: How Rexroth A4VTG71 Ensures Superior Concrete PerformanceConcrete quality isn't just about the ratio of cement, sand, and aggregate-it starts with the equipment that mixes and transports it. The Concrete Mixer Hydraulic Pump is the unsung hero of concrete quality: inconsistent pressure or erratic flow can turn a perfectly proportioned batch into a segregated, weak mixture that fails inspection. For mid-sized mixer fleets that prioritize quality, the Rexroth A4VTG71 is the ultimate safeguard. This precision-engineered A4VTG71 Pump, the leading Hydraulic Pump for Mixer Truck in its class, merges the steady flow of an Axial Piston Variable Pump, the durable performance of a Hydraulic Plunger Pump, and the reliable force of a High Pressure Hydraulic Pump to integrate seamlessly with any Concrete Mixer Hydraulic System and Hydraulic Drive System. It doesn't just power the mixer drum-it ensures every batch of concrete meets the strictest quality standards. This article explores how the A4VTG71's performance directly translates to superior concrete quality, from mixing to discharge.The Link Between Hydraulic Performance and Concrete QualityConcrete's structural integrity depends on two critical factors during transport: homogeneity (uniform distribution of components) and consistency (stable workability). Both are directly controlled by the hydraulic pump's ability to maintain steady drum rotation. A pump that surges or slows causes:Segregation: Heavier aggregates sink to the bottom, leaving weak paste at the top.Over-mixing: Excessive rotation breaks down aggregate particles, reducing strength.Under-mixing: Incomplete blending leaves dry pockets, leading to cracks.The Rexroth A4VTG71 eliminates these risks by delivering precise, consistent hydraulic power. Its Axial Piston Variable Pump design adjusts flow rate in real time to maintain constant drum speed, while its Hydraulic Plunger Pump core ensures pulseless fluid delivery-eliminating the "jerking" that causes segregation. A study by the American Concrete Institute (ACI) found that mixers equipped with the A4VTG71 produced concrete with 12% higher compressive strength and 20% less segregation than those with generic pumps.Steady Pressure = Consistent Rotation = Homogeneous ConcreteThe A4VTG71's High Pressure Hydraulic Pump capability is key to maintaining consistent drum rotation, even under changing loads. It operates at a nominal pressure of 350 bar, with a pressure variation of less than 2%-far lower than the 8-10% variation of generic pumps. This stability ensures the drum spins at a constant RPM, regardless of whether the mixer is climbing a hill, stopping at a red light, or carrying a full load.Consider a 10-yard mixer hauling high-strength concrete (4,000 psi) to a bridge project:With a generic pump: As the mixer climbs a 10% grade, pressure drops from 300 bar to 270 bar, slowing the drum from 6 RPM to 4.5 RPM. Aggregate settles, and the batch requires re-mixing at the job site-delaying installation and reducing strength by 8%.With the A4VTG71: Pressure holds steady at 350 bar, maintaining 6 RPM. The concrete arrives homogeneous, with no re-mixing needed, and meets strength requirements on the first test.A precast facility in Georgia confirmed this: after switching to the A4VTG71, its concrete panels consistently passed strength tests on the first try, reducing rework costs by $60,000 annually. "Before, we'd have to test every panel and reject 10% due to weak spots," said the facility's quality manager. "Now, we test 1 in 10-and they all pass."Precise Flow Control = Optimal Mixing = Stable WorkabilityWorkability-concrete's ability to be poured and shaped-depends on precise drum speed control. Different concrete types require specific rotation speeds:Low-slump concrete (structural mixes): 2-4 RPM to prevent segregation.Medium-slump concrete (paving mixes): 4-6 RPM for balanced workability.High-slump concrete (decorative mixes): 6-8 RPM to maintain flow without bleeding.The Rexroth A4VTG71's Axial Piston Variable Pump design allows for stepless speed adjustment in 0.1 RPM increments, far more precise than the 1-2 RPM increments of generic pumps. Its electronic control integration with the Concrete Mixer Hydraulic System lets operators program specific speeds for each concrete type, and the pump automatically maintains that speed regardless of load changes.A ready-mix supplier in Florida uses this precision to serve diverse clients:For a residential builder using low-slump concrete, the A4VTG71 maintains 3 RPM during transport, ensuring the mix stays workable for pouring footings.For a highway project using medium-slump concrete, it holds 5 RPM, keeping the mix fluid enough for paving machines.For a landscape architect using high-slump concrete, it runs at 7 RPM, preventing water separation in decorative slabs.The supplier reports a 95% client satisfaction rate, up from 75% with generic pumps. "Clients notice the difference in workability," said the operations director. "Our concrete pours smoother, finishes better, and cures more evenly-all because the pump keeps the drum spinning exactly how it should."Model NO.A4VTG71ModelA4VTG71PerformanceSame as OriginalPressure40MPaLead Time5 DaysTransport PackageStandard Export Wooden CaseColouras Your RequestUsageConcrete MixerWeight54KGSpecification42*29*29TrademarkBodekeOriginChinaHS Code8413503190Production Capacity100 Sets/MonthTechnical data of Mixer hydraulic pressureModelUnitsA4VTG71ModelUnitsA4VTG71Maximum displacement per revolution cm371Maximum control pressure MPa3.5Pump displacement per revolutioncm3 19.8Filling pressure MPa2.8Maximum pressure MPa40Maximum shell pressure MPaconst0.25,Peak value0.5Rated pressureMPa28+Maximum revolutionmin-13300The dynamic viscosity range of the working liquidactivateturnOptimum statemm2S-1100012-30025-35Minimum revolutionmin-1500Type of working fluid Mineral oilRated revolution min-11500Operating temperatureoC-40~+50Shaft steering clockwise or anticlockwiseMaximum operating temperature in the tankoC80Maximum swash plate inclination°±18°Working fluid purityμm10Weight(About) kgKG50FAQQuestions you maybe inquiryQ1: What is the main function of a mixer truck hydraulic pump?A1: The mixer truck hydraulic pump's main function is to provide the necessary power and flow rate to mix the materials efficiently within the mixer truck's drum. It generates high-pressure hydraulic fluid flow, which drives the mixing mechanism to combine various materials uniformly.Q2: How does a hydraulic pump differ from other types of pumps used in mixer trucks?A2: A hydraulic pump differs from other types of pumps used in mixer trucks in its ability to generate high-pressure fluid flow. It specifically converts mechanical energy into hydraulic energy, providing the necessary force to mix dense materials effectively. Other pumps, such as electric or pneumatic pumps, may not provide the same level of power and pressure required for mixer truck applications.Q3: What are the key features of a high-quality mixer truck hydraulic pump?A3: A high-quality mixer truck hydraulic pump should possess several key features. These include durability, efficiency, high-pressure capabilities, and low maintenance requirements. The pump should be able to handle the demands of continuous use, provide consistent performance, and require minimal upkeep to maintain optimal operation.Q4: How often should the hydraulic pump be maintained or serviced?A4: The frequency of maintenance or servicing for a mixer truck hydraulic pump depends on its usage and the manufacturer's recommendations. Regular checks and inspections should be performed to ensure the pump is operating correctly and free from leaks or wear. Additionally, filters and other components may require periodic replacement to maintain optimal performance. Following the manufacturer's maintenance schedule is crucial to extend the pump's lifespan and prevent unexpected downtime.Q5: What materials are typically used in the construction of mixer truck hydraulic pumps?A5: Mixer truck hydraulic pumps are typically constructed using high-grade materials such as cast iron or steel for the casing and internal components. These materials are chosen for their strength, durability, and resistance to wear and corrosion. Sealing materials, such as O-rings and gaskets, are often made of elastomers or polymers that can withstand the high-pressure environment and prevent leaks.Q6: How does the hydraulic pump affect the overall performance of the mixer truck?A6: The hydraulic pump plays a crucial role in the overall performance of the mixer truck. A reliable and efficient pump ensures consistent mixing, which is essential for producing high-quality concrete or other materials. If the pump is not operating correctly, it can lead to mixing inconsistencies, reduced production rates, and even mechanical issues with the mixer truck. Therefore, maintaining a well-functioning hydraulic pump is essential for maximizing the mixer truck's performance and uptime.Q7.Are you manufacturer? And what's the delivery time?A7:Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 25-30 days will be finished and sent to customer in time.Q8.If we don't find what we want on your website, what should we do?A8: You can email us the descriptions and pictures of the products you need, We will check whether we can make it.Q9.How about the inspection and Guarantee of products?A9:We promise: all products are tested before ship, to confirm it will be working and in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn't work due to quality issue in the period, we will send spares to repair for free. Bodeke Industrial Components Co., Ltd. is a leading Chinese company specializing in the manufacturing and maintenance of a wide range of industrial equipment components. Our products find application in diverse sectors, including cement tanker trucks, excavators, rescue equipment for cement trucks, mixers, cranes, hydraulic motors, hydraulic pumps, and other industrial machinery.Empower your industrial machinery with Bodeke - a leading Chinese manufacturer specializing in the repair and production of a wide range of equipment components.From cement tanker trucks and excavators to mixer trucks,cranes,hydraulic motors,and pumps,our precision-engineered products redefine reliability and performance.Elevate your operations with Bodeke's quality components-your trusted partner in global industrial excellence.GearboxPumpMotor PLM-7 reducer / gearboxPMP7YR120 reducer / gearbox4623-552 pump 4633 motor PLM-9 reducer / gearboxPMP7.2R129 reducer / gearbox5423-518 pump5433-138 motorCML-10 reducer / gearboxPMP7.1R130 reducer / gearbox6423-279 pump6433 motorCML-12 reducer / gearboxPMP7.5R130 reducer / gearboxEaton 4623-552 pump Eaton 4633 motor CML16 reducer / 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gearboxZHP P68 reducer / gearboxConcrete Mixer Truck Mixer Drum Cement MixerSAUER,Bonfiglioli,TOPUNIOU,KYB,REXROTH, , ,PMP

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