End Plugs: Diameter Range 50-500 mm

Component Specifications

Definition

End plugs are critical mechanical components designed to provide a secure, leak-proof closure at the terminal points of absorber section chambers. They ensure pressure integrity, prevent fluid or gas leakage, and maintain system efficiency by sealing the ends of cylindrical or tubular structures within absorption equipment. These components are engineered to withstand operational pressures, thermal cycling, and chemical exposure while maintaining precise dimensional tolerances.

Working Principle

End plugs function by creating a mechanical seal through interference fit, threaded connection, or compression against the inner surface of absorber chamber ends. They utilize sealing surfaces, gaskets, or O-rings to prevent fluid or gas escape, while their structural design distributes pressure loads evenly across the chamber interface. The sealing mechanism prevents contamination ingress and maintains system pressure differentials required for efficient absorption processes.

Materials

Stainless steel (AISI 304/316), carbon steel with corrosion-resistant coatings, aluminum alloys (6061-T6), engineered plastics (PTFE, PEEK), or composite materials depending on chemical compatibility and pressure requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Seal Type	O-ring, gasket, or metal-to-metal
Diameter Range	50-500 mm
Surface Finish	Ra 0.8-3.2 μm
Connection Type	Threaded, flanged, or press-fit
Pressure Rating	Up to 25 bar
Temperature Range	-40°C to 200°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 286-2, DIN 7154, ASME B16.5

Parent Products

This component is used in the following industrial products

Absorber Section

The neutron-absorbing segment of a control rod that regulates nuclear reactor power by capturing neutrons.

View Product Details

Engineering Analysis

Risks & Mitigation

Seal failure leading to leaks
Material incompatibility causing corrosion
Improper installation resulting in pressure loss
Fatigue failure under cyclic loading
Thermal expansion mismatch

FMEA Triads

Trigger: Seal degradation due to chemical attack
Failure: Fluid leakage and pressure loss
Mitigation: Use chemically compatible seal materials and implement regular inspection protocols

Trigger: Insufficient installation torque
Failure: Partial disengagement under pressure
Mitigation: Follow manufacturer torque specifications and use calibrated torque tools

Trigger: Thermal cycling stress
Failure: Crack formation in plug body
Mitigation: Select materials with compatible thermal expansion coefficients and design for thermal stress relief

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

H7/g6 fit for press-fit applications, ±0.05 mm dimensional tolerance for critical sealing surfaces

Test Method

Pressure testing per ISO 5208, helium leak testing for high-integrity applications, dimensional verification using CMM

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of End Plugs

Manufacturer profiles associated with End Plugs.

Sourcing End Plugs from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Mounting Interface

Precision mounting interface connecting punch tips to pharmaceutical tablet press machines for accurate tablet production.

Chrome Plating

Hard chrome plating is an electroplating process that deposits a layer of chromium onto metal surfaces to enhance wear resistance, corrosion protection, and reduce friction for hydraulic cylinder piston rods.

Upper Tool (Punch)

Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.

Main Frame

The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Frequently Asked Questions

What are the main functions of end plugs in absorber sections?

End plugs primarily provide leak-proof sealing at chamber ends, maintain pressure integrity, prevent contamination ingress, and ensure structural stability of absorber systems.

How do I select the right end plug material for my application?

Material selection depends on chemical compatibility with process fluids, operating temperature range, pressure requirements, and corrosion resistance needs. Common choices include stainless steel for chemical resistance, aluminum for lightweight applications, and engineered plastics for corrosive environments.

What maintenance is required for end plugs?

Regular inspection for wear, corrosion, or seal degradation; periodic replacement of sealing elements (O-rings/gaskets); verification of torque specifications for threaded connections; and cleaning of sealing surfaces during system maintenance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

End Plugs