INDUSTRY COMPONENT

End Cap/Plug

End cap or plug component for sealing spray manifold systems in industrial applications.

Component Specifications

Definition
An end cap or plug is a precision-engineered component designed to seal the terminal ends of spray manifold systems, preventing fluid leakage, maintaining system pressure, and protecting internal components from contamination. It serves as a critical closure element in fluid distribution systems where multiple spray nozzles are mounted along a manifold pipe.
Working Principle
The end cap/plug creates a mechanical seal at the manifold's end through threaded, welded, or compression fitting methods. It withstands internal fluid pressure by distributing stress evenly across its structure, while sealing surfaces prevent leakage through gaskets, O-rings, or metal-to-metal contact. In spray systems, it ensures uniform pressure distribution along the manifold by providing a closed boundary condition.
Materials
Stainless steel (AISI 304/316), brass (C36000), aluminum (6061-T6), engineered plastics (PTFE, PEEK, Nylon), with corrosion-resistant coatings where applicable.
Technical Parameters
  • Size Range 1/4" to 2" nominal diameter
  • Surface Finish Ra 0.8-3.2 μm for sealing surfaces
  • Connection Type NPT, BSP, SAE, or weld-on
  • Pressure Rating Up to 300 psi (20 bar)
  • Temperature Range -40°C to 200°C
Standards
ISO 1179, DIN 3852, ASME B1.20.1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for End Cap/Plug.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Improper installation causing leakage
  • Material incompatibility with process fluids
  • Pressure exceeding design limits
FMEA Triads
Trigger: Incorrect torque application during installation
Failure: Thread stripping or seal deformation
Mitigation: Use calibrated torque wrenches and follow manufacturer specifications
Trigger: Thermal cycling in extreme environments
Failure: Fatigue cracking at stress concentration points
Mitigation: Select materials with appropriate thermal expansion coefficients and add stress relief features

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm on critical dimensions, H7/g6 fit for threaded components
Test Method
Pressure testing per ISO 15848, helium leak detection for critical applications

Buyer Feedback

★★★★☆ 4.6 / 5.0 (33 reviews)

"The End Cap/Plug we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 53+ suppliers for End Cap/Plug on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this End Cap/Plug is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the difference between threaded and welded end caps?

Threaded end caps allow for disassembly and maintenance, while welded caps provide permanent, leak-proof seals for high-pressure applications.

How do I select the right material for corrosive environments?

Stainless steel 316 offers superior corrosion resistance for chemical applications, while PTFE plugs are ideal for highly aggressive media.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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