Product Overview
Hydraulic Pipe Ferrule Fittings are tube connection components that use ferrules to mechanically grip and seal rigid hydraulic pipes without welding, commonly used in hydraulic lines requiring serviceability and controlled tube positioning.
Ferrule Connection Benefits
Controlled Tube Grip
The ferrule structure generates circumferential holding force around the tube, helping maintain connection stability under vibration and pressure cycling.
Leakage-Controlled Sealing
The ferrule compresses onto the tube surface during tightening to create both mechanical retention and sealing performance without thread sealing compounds.
High Pressure Capability
Available in Light Series (L) and Heavy Series (S) configurations for hydraulic systems operating up to 630 bar (9,000 PSI) depending on fitting size and tube specification.
Maintenance-Friendly Installation
Mechanical assembly allows tube replacement and system modification without cutting or rewelding hydraulic lines.
Ferrule Forming Control
Ferrule Edge Precision
Ferrule cutting edges are machined with dimensional control within ±0.03 mm to support consistent tube bite performance.
Ferrule Hardness Verification
Ferrules are heat treated and verified within HRC 38–45 to balance tube gripping capability and installation reliability.
Thread Accuracy Inspection
Threads are inspected according to applicable tolerance requirements to improve assembly consistency.
Sealing Surface Finish
Critical contact areas are machined to Ra ≤ 1.6 μm to support stable ferrule seating.
Assembly Validation
Finished components undergo dimensional and visual inspection before shipment.
Available Configurations
| Item | Available Options |
| Connection Type | Straight, Elbow, Tee, Cross, Bulkhead |
| Ferrule Type | Single Ferrule, Double Ferrule |
| Material | Carbon Steel, Stainless Steel 304, Stainless Steel 316 |
| Thread Standard | Metric, BSPP, NPT, JIC |
| Tube OD | 6–42 mm |
| Series | Light Series (L), Heavy Series (S) |
| Surface Finish | Zinc Plated, Zinc-Nickel Plated, Passivated Stainless Steel |
| Marking | Part Number, Batch Code, Customer Logo |
Typical Applications
Used in rigid hydraulic line installations where welded joints are not preferred.
Applied in power units, machine tools, and fluid control systems.
Suitable for construction, agricultural, and material handling machinery.
Used where hydraulic lines require future disassembly and replacement.
FAQ
Q: What is the difference between a ferrule fitting and a compression fitting?
A: Ferrule fittings create tube retention through ferrule deformation, while compression fitting structures may vary depending on sealing design.
Q: Why choose ferrule fittings instead of welding?
A: Ferrule fittings allow installation and replacement without heat input or pipe rework.
Q: What is the difference between single and double ferrule designs?
A: Single ferrule designs focus on compact structure, while double ferrule systems separate gripping and sealing functions.
Q: Can ferrules be reused?
A: Reuse depends on ferrule deformation condition and installation requirements.
Q: What information should be provided for quotation?
A: Tube OD, wall thickness, thread standard, material, pressure requirement, and ferrule type should be confirmed before ordering.
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