KVC925L Pilot Pump for excavators spare parts

Short Description:

The KVC925L pilot pump is a high-precision dedicated hydraulic gear pilot pump perfectly matched with KVC925L series main pumps, widely applied to 12–16 ton medium-sized excavators and supporting construction machinery hydraulic systems.

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Product Detail

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description

The KVC925L pilot pump adopts upgraded reinforced medium-duty gear pump structure, professionally optimized for the medium-pressure, medium-flow, long-term continuous variable-load operation characteristics of KVC925L main pump supporting 12–16 ton medium excavators. Different from ordinary universal pilot pumps with poor pressure stability and easy internal leakage under medium-load operation, this model strictly follows original factory supporting standards, with precise installation dimensions and fully matched hydraulic calibration parameters, ultra-low internal leakage and linear stable flow-pressure output under long-term continuous operation. Equipped with high-hardness wear-resistant alloy gear pair, reinforced anti-fatigue bearing assembly and high-temperature aging-resistant composite sealing system, it can maintain stable pilot pressure output without attenuation under long-term cyclic hydraulic impact and high-frequency compound action switching. The high-rigidity integral pump body has excellent vibration resistance, dust resistance and sediment corrosion resistance, perfectly adapting to earthwork construction, foundation excavation, municipal renovation and other medium-load harsh working environments.

product parameters

Product Model: KVC925L Pilot Pump

Product Type: Medium Flow Negative Flow Control Precision Hydraulic Gear Pilot Pump

Applicable Main Pump: KVC925L Hydraulic Main Pump

Applicable Equipment: 12–16 Ton Medium-sized Excavators

Structural Feature: Low Flow Pulsation, Medium-load Constant Pressure Output, Ultra-low Internal Leakage, Reinforced Wear-resistant Structure

Core Structure: High-hardness Alloy Gear Set, Anti-fatigue Bearing Assembly, High-temperature Pressure-resistant Sealing System, Integral High-rigidity Pump Body

Working Characteristics: Sensitive Pressure Response, Stable Idle & Medium-load Pressure, Low Vibration & Low Noise, Wear and Temperature Resistant

Core Function: Provide Standard Stable Pilot Pressure, Drive KVC925L Main Pump Variable Adjustment and Whole Machine Compound Hydraulic Actions, Ensure Smooth and Powerful Operation

Applicable Working Conditions: Earthwork Backfilling, Foundation Excavation, Municipal Renovation, Long-term Medium-load Continuous Operation

advantages

Adopting medium-flow low-pulsation constant-pressure output technology, it effectively suppresses pilot pressure fluctuation and pressure drop caused by long-term medium-load continuous operation and frequent compound action switching, thoroughly solving common problems such as slow response, weak medium-load operation and walking jitter of 12–16 ton excavators.
High-hardness alloy gear pair and reinforced bearing structure greatly improve wear resistance and structural stability, adapt to long-term continuous medium-load operation and high-frequency variable-load switching, and maintain long-term stable pilot pressure output without performance attenuation.
High-quality anti-aging and high-temperature resistant composite sealing system resists long-term hydraulic cyclic impact and temperature changes, completely eliminates oil leakage and system pressure loss, and effectively reduces daily equipment failure rate and maintenance costs.
Integral high-rigidity pump body features excellent vibration, dust and sediment corrosion resistance, adapting to complex and harsh construction environments such as earthwork and foundation sites, with service life significantly longer than ordinary universal medium pilot pumps.
Precision medium-flow hydraulic matching design achieves accurate linkage with KVC925L main pump variable mechanism, improves main pump power regulation sensitivity and whole machine operation smoothness, and effectively enhances construction efficiency and fuel economy of 12–16 ton medium excavators.

FAQ

Q1: What are the common failure symptoms of KVC925L pilot pump?
A: Typical faults include delayed operation response, weak boom/arm/bucket compound actions, unstable idle pilot pressure, walking jitter and deviation, unsmooth swing actions, slow main pump variable response, pump body oil leakage and abnormal operating noise.
Q2: Why do 12–16 ton medium excavators operate sluggishly after long working hours?
A: Long-term continuous medium-load operation causes wear of internal gears and bearings of the pilot pump, increased internal leakage and decreased pilot pressure, resulting in insensitive main pump variable adjustment and weak hydraulic actions. Replacing the aging KVC925L pilot pump can restore original control performance.
Q3: How to maintain KVC925L pilot pump daily?
A: Keep the medium-flow hydraulic system oil clean, replace hydraulic oil and filter elements regularly to prevent hard impurities from wearing precision gear components. Regularly check the pump body for oil leakage and abnormal noise to ensure stable pilot pressure output and normal main pump variable operation.
Q4: How to extend the service life of KVC925L pilot pump?
A: Avoid long-term continuous overload operation and frequent sudden load impact, maintain the cleanliness of the hydraulic system, reduce internal component wear and fatigue loss, and effectively extend the service life of the pilot pump.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.