K5V80DTP Pilot Pump for excavators spare parts

Short Description:

The K5V80DTP pilot pump is a dedicated high-precision hydraulic gear pilot pump matched with the K5V80DTP main pump, suitable for 15–18 ton medium excavators such as Hyundai 150-9, Doosan DX150 and Volvo EC170.

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Product Detail

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description

The K5V80DTP pilot pump adopts upgraded reinforced heavy-duty gear pump structure, professionally optimized for the negative flow control logic and high-frequency variable-load operation characteristics of K5V80DTP main pump supporting excavators. Different from ordinary universal pilot pumps, this model strictly calibrates installation dimensions and hydraulic pressure parameters according to the original supporting standards of K5V80DTP main pump, with ultra-low internal leakage and extremely stable flow pressure output. 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 for a long time under frequent start-stop, compound action and hydraulic cyclic impact. The high-rigidity integral pump body has excellent vibration resistance, dust resistance and sediment erosion resistance, adapting to harsh working environments such as municipal construction, earthwork backfilling and quarry operation.

product parameters

Product Model: K5V80DTP Pilot Pump

Applicable Main Pump: K5V80DTP Hydraulic Main Pump

Applicable Equipment: Hyundai 150-9, Doosan DX150, Volvo EC170, 15–18 Ton Medium Excavators

Structural Feature: Low Flow Pulsation, Ultra-low Internal Leakage, Constant Pressure Output, 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 & Load Pressure, Low Vibration & Low Noise, Wear and Temperature Resistant

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

Applicable Working Conditions: Municipal Engineering, Earthwork Construction, Quarry Crushing, Long-term Frequent Compound Operation

Supporting Matching Parts: K5V80DTP Main Pump, Main Control Valve, Pilot Valve Group, Precision Hydraulic Filter and Pipeline

advantages

Specially customized and calibrated for K5V80DTP main pump negative flow system, perfectly matching original installation size and pilot pressure parameters, supporting 1:1 non-destructive plug-and-play replacement without equipment modification, with high system matching degree and zero adaptation faults.
Adopting low-pulsation constant-pressure output technology, it effectively avoids pilot pressure fluctuation and pressure drop caused by frequent compound actions and load switching, thoroughly solving common problems such as slow response, weak operation and jitter of medium excavator working devices.
High-hardness alloy gear pair and reinforced bearing structure greatly improve wear resistance and structural stability, adapt to long-term high-frequency start-stop and variable-load operation of 15–18 ton excavators, and maintain long-term stable pilot pressure output without attenuation.
High-quality anti-aging and high-temperature resistant sealing system resists long-term hydraulic cyclic impact and temperature changes, completely eliminates oil leakage and pressure failure, and effectively reduces equipment failure rate and daily maintenance costs.
Integral high-rigidity pump body features excellent vibration, dust and corrosion resistance, adapting to complex and harsh construction environments such as quarries and earthwork sites, with service life far exceeding ordinary universal pilot pumps.

FAQ

Q1: What are the common failure symptoms of K5V80DTP pilot pump?
A: Typical faults include delayed operation response, weak boom/arm/bucket action, unstable idle pilot pressure, walking jitter and deviation, unsmooth swing compound actions, slow main pump variable response, pump body oil leakage and abnormal operating noise.
Q2: Why does the excavator have insufficient power and slow actions after long working hours?
A: Long-term frequent variable-load operation causes wear of internal gears and bearings, increased internal leakage and decreased pilot pressure, resulting in insensitive main pump variable adjustment and weak hydraulic actions. Replacing the aging K5V80DTP pilot pump can restore original control performance.
Q3: How to maintain K5V80DTP pilot pump daily?
A: Keep hydraulic 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 K5V80DTP pilot pump?
A: Avoid long-term 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.
Q5: Is debugging required after replacing K5V80DTP pilot pump?
A: This pilot pump adopts original standard installation and hydraulic parameters matching K5V80DTP system, supporting non-destructive direct replacement. Fine pressure inspection is recommended after installation to ensure optimal coordination with the main 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.