2800 Rpm 250 Bar Charge Pump MIXER Truck Parts For SPV23 Truck

Charge pump for SPV23

Color:Customized

Lead Time:30 days

ISO 9001:2015 certification

1. Product Parameter (specification)

The SPV23 charge pump is a key component in hydraulic systems, mainly used in equipment like excavators.

Material:Steel

OEM Reference:70030

SPV23 Gear pump

Charge Pump for SPV23 Mixer Truck - High-Performance Hydraulic Core Component

As a professional manufacturer specializing in Charge Pump for SPV23 mixer trucks, we engineer this hydraulic charge pump to be the lifeline of SPV23 series concrete mixer truck hydraulic systems. Serving as the primary pressure supply unit, it replenishes oil to the main hydraulic circuit, maintains stable system pressure, and compensates for leakage losses—ensuring the mixing drum operates smoothly during continuous loading, mixing, and unloading cycles. Crafted for harsh construction environments, our Charge Pump for SPV23 integrates seamlessly with SPV23 original hydraulic configurations, backed by proven on-site reliability.

High efficiency: It has a relatively high oil delivery efficiency, which can meet the oil supply requirements of hydraulic systems in different working conditions. It has the characteristics of low loss and low noise, which helps to improve the overall efficiency of the system and reduce noise pollution.

Good reliability: Manufactured by professional manufacturers, it undergoes strict quality control. After passing external inspections, process inspections, and final quality inspections, including external dimension inspections and 100% hydraulic tests, it has good reliability and stability, and can work stably for a long time.

Core Technical Parameters Detailed Explanation

Our Charge Pump for SPV23 is precision-engineered to meet the stringent hydraulic demands of SPV23 mixer trucks, with each parameter validated to align with original equipment standards. Below is the detailed specification table (retained in full) alongside critical performance insights for practical application:

Every Charge Pump for SPV23 undergoes 100% third-party testing to validate these parameters. Its 250-bar nominal pressure ensures stable supply to the main hydraulic circuit, while the 126 L/min rated flow rate guarantees sufficient oil replenishment—critical for preventing cavitation and maintaining consistent mixing drum performance under heavy loads.

Key Factors Affecting Parameters

While our Charge Pump for SPV23 is designed for robust stability, real-world performance is influenced by external factors. We’ve optimized the pump to mitigate these impacts, with actionable guidance for operators:

Hydraulic Oil Quality & Viscosity: Contaminated oil (particles ≥ 15 μm) accelerates rotor wear, reducing pump efficiency by up to 35% and shortening service life. Our 2500-hour endurance test confirms that using ISO VG 46 hydraulic oil (viscosity 15-40 mm²/s at 40℃) maintains optimal performance, extending pump lifespan by 35% compared to improper oil grades.

System Pressure Regulation: Pressure overruns exceeding 280 bar (12% above nominal) damage internal gears and bearings. The pump integrates a built-in pressure relief valve that activates within 0.03 seconds, limiting peak pressure and protecting both the pump and the entire hydraulic system—validated in high-load construction scenarios (e.g., full concrete drum loads).

Ambient & Oil Temperature: Low temperatures (-25℃ to -15℃) increase oil viscosity, causing start-up resistance and flow loss. The pump’s integrated preheating channel reduces cold-start wear by 20% compared to standard pumps, while the FKM seals ensure leak-proof performance at temperatures up to 90℃.

Mounting & PTO Alignment: Misalignment between the pump and engine PTO (exceeding 0.15 mm) causes shaft fatigue and seal damage. We provide precision mounting templates to align with SPV23’s original PTO interface, eliminating vibration-induced wear and ensuring parameter stability.

Application Scope & Certifications

Application Scenarios

Our Charge Pump for SPV23 is exclusively tailored for SPV23 mixer trucks, with proven reliability in diverse and challenging construction environments:

Concrete mixing and transportation for residential high-rises, highway paving, bridge construction, and tunnel projects;

Extreme conditions: high-altitude areas (up to 5000 meters), desert regions (daytime temperature 48℃-58℃), and cold plateaus (-20℃ to -25℃);

Compatibility with SPV23 trucks equipped with Rexroth A4VG main pumps, PV23 control valves, and quantitative hydraulic motors;

Aftermarket replacement for original charge pumps with low flow rate, cavitation noise, or oil leakage issues.

Real-World Case Study: A construction fleet in Qinghai, China (average altitude 4200 meters) replaced 30 sets of original charge pumps with our Charge Pump for SPV23. Over 8 months of operation, the fleet’s pump failure rate dropped from 12% to 0.8%, and hydraulic system downtime decreased by 82%. The pumps maintained stable flow rates and pressure even in thin air, with no cavitation issues—critical for high-altitude concrete transportation.

2. Production details