INDUSTRY COMPONENT

Vacuum Port / Fitting

Vacuum port/fitting is a precision connection interface that enables vacuum generation and control in automated material handling systems.

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Component Specifications

Definition
A vacuum port or fitting is a critical component in vacuum pad assemblies that provides the interface between vacuum pads and the vacuum supply system. It serves as the connection point for vacuum hoses or tubes, allowing controlled airflow to create suction for material handling applications. These components are engineered to maintain airtight seals, withstand cyclic loading, and ensure consistent vacuum performance in industrial automation systems.
Working Principle
The vacuum port/fitting operates by creating a sealed connection between the vacuum pad and the vacuum source. When vacuum is applied, air is evacuated through the fitting, creating negative pressure (suction) at the pad interface. The fitting maintains this pressure differential by preventing air leakage through its precision-machined sealing surfaces and threaded connections, enabling reliable material handling through controlled vacuum generation.
Materials
Stainless steel (AISI 304/316), aluminum alloys (6061-T6), brass (C36000), engineering plastics (POM, PTFE, PEEK), nitrile rubber seals, silicone gaskets
Technical Parameters
  • Leak Rate <0.1 mbar·l/s
  • Port Size 1/8" to 1/2" (3mm to 12mm)
  • Surface Finish Ra 0.8-1.6 μm
  • Connection Type NPT, BSPP, BSPT, metric thread
  • Pressure Rating -0.9 to -1.0 bar (full vacuum)
  • Thread Standards ISO 228, ISO 7, ASME B1.20.1
  • Temperature Range -20°C to 120°C
Standards
ISO 1179, ISO 228, DIN 3852, DIN 3861, ASME B1.20.1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Vacuum Port / Fitting.

vacuum fitting vacuum port vacuum connection suction fitting pneumatic fitting vacuum system component material handling automation fitting Vacuum Port / Fitting Vacuum Port / Fitting in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Vacuum Pad Assembly

A modular assembly within a vacuum gripper head that creates suction to lift and manipulate objects.

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Engineering Analysis

Risks & Mitigation
  • Leakage due to improper installation
  • Thread damage from overtightening
  • Material incompatibility causing seal failure
  • Fatigue failure from cyclic loading
  • Contamination blocking airflow
FMEA Triads
Trigger: Improper thread engagement during installation
Failure: Air leakage leading to loss of vacuum
Mitigation: Use torque wrenches with specified values, apply thread sealant properly, implement installation training
Trigger: Material fatigue from cyclic pressure changes
Failure: Cracking or fracture of fitting body
Mitigation: Select materials with adequate fatigue strength, implement regular inspection schedules, use safety factors in design
Trigger: Contaminant accumulation in port
Failure: Reduced airflow and inconsistent vacuum
Mitigation: Install filters upstream, implement regular maintenance cleaning, use protective caps when not in use

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Thread tolerance: 6g/6H per ISO 965, dimensional tolerance: ±0.1mm, concentricity: 0.05mm TIR
Test Method
Helium leak test per ISO 15848, pressure decay test, flow rate measurement per ISO 6358, visual inspection per ISO 2859

Buyer Feedback

★★★★☆ 4.9 / 5.0 (32 reviews)

"The Vacuum Port / Fitting we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 12+ suppliers for Vacuum Port / Fitting on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Vacuum Port / Fitting is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the difference between vacuum ports and regular pneumatic fittings?

Vacuum ports are specifically designed for negative pressure applications with enhanced sealing capabilities to prevent air ingress, while regular pneumatic fittings are optimized for positive pressure systems. Vacuum fittings typically have finer thread tolerances and specialized sealing surfaces to maintain vacuum integrity.

How do I select the right vacuum port size for my application?

Select based on required flow rate, vacuum level, and pad size. Larger ports (1/2") provide faster evacuation for large pads, while smaller ports (1/8") offer precise control for delicate materials. Consider the vacuum pump capacity and response time requirements.

Can vacuum fittings be used with different vacuum pad materials?

Yes, but compatibility depends on the fitting material and sealing method. Metal fittings work with most pad materials, while plastic fittings require compatibility checks with specific elastomers. Always verify chemical compatibility and temperature ranges.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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