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T3A Hydraulic Counterbalance Valve Block MPM-HCVB3A
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T3A Hydraulic Counterbalance Valve Block.jpg

T3A Hydraulic Counterbalance Valve Block MPM-HCVB3A

T3A Hydraulic Counterbalance Valve Block is a critical component for load control in hydraulic systems. By integrating counterbalance valves, check valves and safety valves, it effectively prevents uncontrolled load movement (in applications such as cranes and lifts) and reliably locks loads even during hydraulic line rupture. Featuring pressure-adaptive functionality, it dynamically adjusts flow and pressure to maintain smooth operation. With its compact design, fast response (<15ms) and strong contamination resistance, it is widely used in construction machinery, industrial hydraulic equipment and heavy-duty lifting platforms - delivering precise control while ensuring system safety.

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    product details

    Description

    T3A hydraulic counterbalance valve block ensures smooth operation of hydraulic actuators through precise flow and pressure control, while supporting automated system integration to significantly improve response speed and operational efficiency. Its high-reliability design effectively prevents load runaway, maintaining equipment safety even under extreme operating conditions and reducing unexpected downtime risks. This makes it ideal for industrial applications demanding exceptional stability and safety.

    The valve block adopts a pilot-operated pressure reduction structure that enables self-adaptive pressure adjustment through coordinated action between the main valve and pilot valve: when outlet pressure falls below the set value, the main valve remains fully open to ensure flow capacity; when pressure exceeds the threshold, the pilot valve activates main valve throttling to automatically maintain stable outlet pressure. This dynamic balancing mechanism allows rapid adaptation to load variations. Combined with cone-sealing technology and rigorous factory inspections (including 3D imaging flaw detection), the design completely eliminates internal leakage and fluid contamination risks.

    Features

    Adaptable to various hydraulic systems, any product can be customized according to customer needs.

    Specification

    Category Specification Details
    Materials Q355D forged steel, 20# steel, GGG50 (100% NDT tested)
    Pressure Rating Up to 350 bar (customizable)
    Pilot Ratios 1.5:1 / 3:1 / 4.5:1 (selectable)
    Sealing Method Taper-seated valve port
    Leakage Rate <0.1% of rated flow
    Fluid Compatibility Hydraulic oil, emulsions (low-viscosity compatible)
    Testing Standards 100% pressure tested, 3D imaging inspection
    Cleanliness ISO 4406 Class 15/13/10
    Customization Accepts non-standard designs & materials
    Lead Time 4-6 weeks (standard), 6-8 weeks (custom)
    Weight Reduction Up to 30% vs conventional designs

    Operation Condition Valve State Flow Path
    Pout < Pset Pilot valve closed Full flow through main valve
    Pout > Pset Pilot valve open Restricted flow (pressure reduction)

    Service

    1. Manufacturing high-quality hydraulic products for nearly 20 years
    2. 1-year after-sales warranty service
    3. 24-hour pre-sales and after-sales customer service support
    4. Customized drawing products according to customer needs
    5. Strict quality inspection to ensure product quality
    6. Insist on on-time delivery

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