FLANGE SEPERATE 23T
Color:Customized
Lead Time:30 days
ISO 9001:2015 certification
In the maintenance, repair, and overhaul of heavy-duty hydraulic systems on equipment like concrete mixer trucks, few tasks are as critical—and as potentially destructive—as separating tightly mated, high-pressure flanges. Rust, corrosion, high torque, and years of thermal cycling can fuse these components into a single, seemingly inseparable unit. Forced methods like hammering, prying, or heating risk catastrophic damage to expensive machined surfaces, threadings, and the flange sealing geometry. Our Hydraulic Flange Separation service, backed by specialized tooling and proven techniques, is the engineered solution for this challenge. It is not merely a tool rental; it is a precision disassembly process designed to apply controlled, symmetrical force to safely and completely separate seized flanges without damage, preserving the integrity and value of your critical hydraulic components.
1. Product Parameter (specification)
Connection method: Split flanges usually consist of two or more parts, which are assembled by bolts or other connectors. This design makes it easy to separate and connect the flanges when installing, repairing or replacing related equipment without large-scale disassembly of the entire pipeline or equipment.
Material selection: Common flange materials include carbon steel, stainless steel, alloy steel, etc. Carbon steel flanges have high strength and low cost, and are suitable for general industrial environments; stainless steel flanges have good corrosion resistance and are often used in industries with high corrosion resistance requirements such as chemicals, food, and medicine; alloy steel flanges can have higher strength, heat resistance or other special properties according to specific needs.
Concrete mixer truck parts
Hydraulic pump flange
Forged body
Spline heat treated
23 teeth
Core Service Specifications & Process Philosophy
Our approach is systematic and engineered, prioritizing the preservation of the workpiece integrity above all else.
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Parameter
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Specification
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Why This Matters for Your Hydraulic Components
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Tool Material
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Alloy Steel (Body) / PA66 + 25% GF (Insulating & Non-Mar Pads)
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The separation tool bodies are manufactured from high-tensile alloy steel to withstand extreme hydraulic pressure without deformation. Non-marring contact pads made from PA66+25% GF provide excellent compressive strength and protect delicate flange faces and O-ring grooves from scratches or gouging during the separation process.
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Tool Manufacturing
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Precision CNC Machining & GÜNTHER Molding for Pads
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The separation tools (cylinders, yokes, puller arms) are CNC-machined to exacting tolerances to ensure perfect alignment and force distribution. The polymer pads are precision-molded using GÜNTHER hot-runner systems for consistency and strength, ensuring they conform correctly to the workpiece without slipping.
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Primary Application
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Disassembly of High-Pressure Hydraulic Flanges on Mixer Trucks & Industrial Equipment
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This process is specifically designed for the SAE, DIN, or other standard flange connections found on hydraulic pumps, gearboxes, valve blocks, cylinder mounts, and pipe manifolds common in concrete mixer hydraulic systems (e.g., drum drive pumps, slewing motors).
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Service Description
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A controlled, high-force hydraulic service for separating seized, corroded, or over-torqued flange connections. We provide the specialized tooling and methodology to perform the separation safely and without damage to component sealing surfaces.
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We deliver a solution, not just force. The service includes the correct tool selection for your specific flange size and style, setup guidance, and a controlled procedure that applies force in the correct plane to "push" or "pull" the flanges apart evenly, eliminating bending moments that can crack housings.
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In-Depth Technical Parameter Analysis & Key Process Drivers
1. Force Application: Controlled Pressure vs. Destructive Impact
Core Parameter – Maximum Separation Force and Bore/Stroke: The capability of a hydraulic separation tool is defined by its hydraulic cylinder bore diameter and maximum operating pressure, which together determine its theoretical force output (Force = Pressure x Area). A robust toolset may offer multiple cylinders (e.g., 50-ton, 100-ton capacity) to match the required force. Equally important is the cylinder stroke length, which must accommodate the initial gap and the complete separation distance.
Key Influencing Factor – Force Vector Alignment and Fixturing: The single most critical factor for success and safety is ensuring the applied force is perfectly coaxial with the bolting pattern and perpendicular to the mating faces. Misalignment creates a bending moment, which can instantly crack a cast iron or aluminum housing. Our tooling systems use precisely machined yokes, puller arms, and alignment pins to guarantee correct force vectoring, transforming raw hydraulic power into controlled, useful work.
2. Surface Preservation & Sealing Integrity
Core Parameter – Contact Pressure Distribution: The force applied by the hydraulic ram must be distributed over a sufficient area of the flange to keep the contact pressure below the yield strength of the flange material. Concentrated pressure can dent or distort the sealing surface.
Key Influencing Factor – Interface Pad Design and Material: This is where the PA66+25% GF pads are essential. Their design (often custom-machined to fit a specific flange profile) and high compressive strength allow them to distribute the massive ram force evenly. Their polymer composition ensures they will not gall or score the machined metal surface, preserving the Ra 0.8 µm or better surface finish critical for static seal performance.
Special Operating Conditions & Critical Emergency Protocols
Flange separation in field or workshop conditions presents unique hazards that require strict protocols.
Process Enhancement – Penetrating Catalyst and Vibration: Before applying hydraulic force, the process involves a systematic application of high-quality penetrating fluid and, where possible, the use of high-frequency vibration tools (needle scalers) on the outer housing to break the crystalline bonds of the corrosion. Never heat the flange assembly directly with an open flame, as this can anneal the metal, destroy temper, and create lethal pressure if trapped fluid boils.
Unexpected "Pop" or Sudden Release: When the bond finally breaks, the release of stored energy can be violent. A component can shoot out with significant force.
Non-Negotiable Safety Protocol: The area behind the separation axis MUST be fully barred and clear of personnel. The tooling must be physically restrained with chains or blocks to prevent it from launching. All force must be applied via remote hydraulic pump controls from a safe position. This is a fundamental rule of our methodology.
Hidden Pressure and Spring Loads: Some assemblies, like certain pump cartridges or valve stacks, may contain internal spring assemblies under pre-load.
Mandatory Pre-Separation Investigation: It is critical to review the component's cross-sectional diagram before beginning. Assume there may be stored energy. The separation plan must account for the potential for the flange to be spring-loaded apart once the primary bond is broken, requiring controlled "catching" of the assembly.
2. Production details




