INDUSTRY COMPONENT

Cleanout plug

A removable plug in P-traps for accessing and cleaning drain blockages.

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Component Specifications

Definition
A cleanout plug is a threaded or snap-fit component installed at the bottom of a P-trap (plumbing trap) in drainage systems. It provides a sealed access point for removing debris, sediment, or blockages that accumulate in the trap, ensuring proper flow and preventing clogs. Typically made from durable materials resistant to corrosion and chemical exposure, it features a hexagonal or slotted head for tool engagement during installation or removal. This component is critical for maintenance without disassembling the entire trap assembly.
Working Principle
The cleanout plug operates by creating a removable seal at the lowest point of the P-trap. When installed, it prevents water and gases from escaping, maintaining the trap's water seal to block sewer gases. During maintenance, it can be unscrewed or detached to allow access for cleaning tools (e.g., augers or brushes) to remove obstructions, after which it is re-sealed to restore system integrity.
Materials
Common materials include brass, stainless steel, PVC (polyvinyl chloride), ABS (acrylonitrile butadiene styrene), or polyethylene, selected based on corrosion resistance, durability, and compatibility with the trap material (e.g., metal or plastic). Specifications may include thread types (e.g., NPT - National Pipe Thread), sizes (e.g., 1.5 to 2 inches in diameter), and pressure ratings (e.g., up to 150 psi for standard applications).
Technical Parameters
  • Diameter 1.5 to 2 inches
  • Thread Type NPT (National Pipe Thread)
  • Material Grade ASTM B62 for brass, ASTM A276 for stainless steel, or ASTM D1784 for PVC
  • Pressure Rating Up to 150 psi
  • Installation Torque 10-20 ft-lbs for metal, 5-10 ft-lbs for plastic
Standards
ISO 228-1, DIN 2999

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cleanout plug.

cleanout plug P-trap access drain maintenance plumbing component trap cleaning removable plug industrial drainage Cleanout plug in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Trap (P-Trap)

A plumbing device that maintains a water seal to prevent sewer gases from entering buildings while allowing wastewater to flow through.

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Engineering Analysis

Risks & Mitigation
  • Leakage due to improper sealing
  • Corrosion in harsh environments
  • Thread stripping from over-tightening
  • Blockage recurrence if not cleaned regularly
FMEA Triads
Trigger: Improper installation or worn threads
Failure: Leakage of water or sewer gases
Mitigation: Use thread sealant, follow torque specifications, and inspect threads during maintenance.
Trigger: Chemical exposure or corrosive fluids
Failure: Material degradation and plug failure
Mitigation: Select corrosion-resistant materials (e.g., stainless steel for aggressive environments) and conduct regular inspections.
Trigger: Debris accumulation not cleared
Failure: Reduced drainage flow or complete blockage
Mitigation: Schedule routine cleaning via the plug and use filters to catch large debris upstream.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Thread tolerance per ISO 228-1 or ASME B1.20.1; sealing surface flatness within 0.005 inches.
Test Method
Pressure testing per ASTM F477 for plastic or hydrostatic tests for metal plugs to verify leak resistance up to rated pressure.

Buyer Feedback

★★★★☆ 4.5 / 5.0 (28 reviews)

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Cleanout plug arrived with full certification."

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"The Cleanout plug we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

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Frequently Asked Questions

How often should a cleanout plug be inspected?

Inspect annually or biannually in high-use systems; check for leaks, corrosion, or thread damage to ensure proper sealing and easy removal.

Can a cleanout plug be replaced if damaged?

Yes, replace with a compatible plug matching the trap's material, thread type, and size to maintain system integrity and prevent leaks.

What tools are needed to remove a cleanout plug?

Use a wrench or pliers for threaded plugs; avoid over-tightening plastic plugs to prevent cracking during installation or removal.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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