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Crimp Sleeve Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A crimp sleeve is a precision-engineered cylindrical component, typically made from steel or stainless steel, designed for hydraulic hose assemblies. It is placed over the hose end and a fitting stem, then compressed using a crimping machine to deform the sleeve radially inward. This creates a permanent, mechanical bond that seals the hose-to-fitting interface, preventing fluid leakage and withstanding high operating pressures, vibrations, and dynamic loads in hydraulic systems.

Working Principle

The crimp sleeve works by applying radial compressive force via a crimping machine, which plastically deforms the sleeve material. This deformation reduces the sleeve's inner diameter, causing it to grip the hose reinforcement layers (typically wire braid or spiral) and the fitting stem tightly. The compression creates a mechanical interlock and frictional hold, forming a pressure-tight seal that resists pull-off forces and fluid pressure surges.

Materials

Low-carbon steel (e.g., SAE 1008/1010), stainless steel (e.g., AISI 304, 316), or aluminum; often zinc-plated, galvanized, or coated for corrosion resistance. Material selection depends on pressure rating, fluid compatibility, and environmental conditions.

Technical Parameters

Wall Thickness 1.0 mm to 3.5 mm
Pressure Rating Up to 6,000 psi (414 bar)
Temperature Range -40°C to +120°C
Outer Diameter Range 8 mm to 102 mm
Crimp Diameter Tolerance ±0.1 mm to ±0.3 mm

Standards

ISO 18752, DIN 20066, SAE J517

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Crimp Sleeve.

Parent Products

This component is used in the following industrial products

Hydraulic Hose Assembly

A pre-assembled hydraulic hose with fittings for fluid power transmission in hydraulic systems.

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Engineering Analysis

Risks & Mitigation

Under-crimping leading to leaks
Over-crimping causing hose damage
Corrosion in harsh environments
Mismatch with hose or fitting dimensions

FMEA Triads

Trigger: Incorrect crimp diameter setting on machine
Failure: Hose blow-off or fluid leakage under pressure
Mitigation: Use calibrated crimping machines; verify crimp diameter with go/no-go gauges per manufacturer specs.

Trigger: Material fatigue from cyclic pressure loads
Failure: Sleeve cracking or deformation over time
Mitigation: Select sleeves with adequate material grade and wall thickness; implement regular inspection schedules.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Crimp diameter tolerance as per ISO 18752 or DIN 20066, typically within ±0.2 mm of specified dimension

Test Method

Pressure cycling test (ISO 6803), impulse test (SAE J343), and pull-off force test to ensure no leakage or separation at rated pressure.

Buyer Feedback

★★★★☆ 4.8 / 5.0 (11 reviews)

"Testing the Crimp Sleeve now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Crimp Sleeve meets all ISO standards."

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Frequently Asked Questions

Can a crimp sleeve be reused after crimping?

No, crimp sleeves are designed for single-use permanent installation. Attempting to reuse a crimped sleeve can compromise seal integrity and lead to leaks or hose failure.

What is the difference between a crimp sleeve and a reusable fitting?

A crimp sleeve creates a permanent, non-detachable connection with higher pressure ratings and better vibration resistance. Reusable fittings allow disassembly but may have lower pressure limits and require more maintenance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Crimp Sleeve