Midland Industries

Midland Magnetic Drain Plug NPT Threaded

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  • Midland Magnetic Drain Plug NPT Threaded
  • Midland Industries
$4.31 - $6.54

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Description

Midland Magnetic Drain Plug NPT Threaded

Midland Magnetic Drain Plugs are designed to seal threaded drain openings while helping capture ferrous metal particles circulating within compatible lubrication and fluid systems.

The integrated magnet attracts metallic debris that could otherwise contribute to component wear or system contamination. Available in multiple NPT thread sizes, these durable steel drain plugs provide a compact solution for maintenance, inspection, and contamination control in industrial equipment and fluid systems.

Product Highlights

  • Midland magnetic drain plug
  • Integrated magnet captures ferrous metal particles
  • Male NPT threaded connection
  • Durable steel construction
  • Helps reduce metallic contamination in compatible fluid systems
  • Hex-style head for convenient installation and removal
  • Suitable for routine maintenance and inspection
  • Available in multiple NPT thread sizes
  • Compact threaded design
  • Designed for compatible industrial equipment and fluid systems

Technical Specifications

Product Type Magnetic Drain Plug
Brand Midland
Body Material Steel
Connection Type Male NPT
Thread Style NPT
Magnetic Element Integrated
Head Style Hex-Style Wrenching Surface
Available Threads 3/8-18, 1/2-14, 3/4-14, and 1-11 1/2 NPT
Primary Function Drain Opening Closure and Ferrous Particle Collection
Typical Applications Lubrication Systems, Fluid Systems, Industrial Equipment, Maintenance, and Contamination Control

Drain Plug Configuration

Male NPT Thread

Precision-machined male NPT threads provide secure engagement with compatible female-threaded drain openings.

Integrated Magnet

The internal magnetic element attracts and retains ferrous wear particles suspended in compatible lubricants and fluids.

Hex-Style Head

The wrenching surface allows convenient installation, removal, inspection, and cleaning during routine equipment maintenance.

Construction Details

The drain plug is manufactured from durable steel with precision-machined male NPT threads for secure installation into compatible threaded equipment openings.

An integrated magnetic element attracts and retains ferrous wear particles, allowing accumulated debris to be inspected and removed during scheduled maintenance.

The compact threaded body and hex-style wrenching surface provide straightforward installation and servicing using appropriate hand tools.

How the Magnetic Plug Helps

Particle Collection

  • Attracts ferrous metallic debris
  • Helps remove wear particles from circulating fluid
  • Allows debris inspection during maintenance
  • Supports contamination monitoring
  • Can help identify abnormal component wear

Routine Maintenance

  • Remove plug during scheduled service
  • Inspect collected metallic debris
  • Clean the magnetic surface before reinstalling
  • Inspect threads and sealing surfaces
  • Reinstall using appropriate sealing practices

Available NPT Thread Sizes

The supplied product information identifies the following NPT thread configurations:

  • 3/8-18 NPT
  • 1/2-14 NPT
  • 3/4-14 NPT
  • 1-11 1/2 NPT

Always verify the exact drain-port thread size before ordering.

Typical Applications

Equipment & Lubrication Systems

  • Gearboxes
  • Lubrication reservoirs
  • Industrial machinery
  • Equipment sumps
  • Compatible oil systems

Maintenance & Inspection

  • Routine fluid changes
  • Wear-particle monitoring
  • Contamination control
  • Preventive maintenance programs
  • Equipment condition inspection

Thread Selection

Match the Drain Opening

Select the drain plug based on the exact NPT thread size of the mating female drain opening. Similar-looking thread sizes are not interchangeable.

Use Proper Thread Sealing

Use an appropriate thread sealant where required for the application, taking care not to interfere with proper plug installation or equipment operation.

Willy knows his fittings and threaded components
Ask Willy: Need Help Selecting a Magnetic Drain Plug?

Our fitting and industrial product specialists can help review your NPT thread size, drain-port configuration, fluid compatibility, operating conditions, and maintenance requirements before you order.

Email the GetPipe.com Team Visit Quick Support

Frequently Asked Questions

What does a magnetic drain plug do?

The integrated magnet attracts and retains ferrous metal particles circulating within compatible lubrication or fluid systems.

What material is the plug made from?

The supplied product information identifies durable steel construction.

What thread type does the plug use?

The plug uses male NPT threads for installation into compatible female NPT drain openings.

What thread sizes are available?

The supplied product information identifies 3/8-18, 1/2-14, 3/4-14, and 1-11 1/2 NPT configurations.

What type of debris will the magnet collect?

The magnetic element is intended to attract ferrous metallic particles, such as iron or steel wear debris.

Will the magnet collect aluminum or other non-ferrous particles?

No. Magnetic drain plugs primarily attract ferrous metals. Non-ferrous materials such as aluminum, brass, or copper are not normally attracted by the magnet.

How often should the magnet be cleaned?

Inspect and clean the magnetic surface during routine equipment service or fluid changes, or according to the equipment manufacturer's maintenance schedule.

Why inspect the collected debris?

The amount and type of metallic debris collected can provide useful information about component wear and equipment condition during routine maintenance.

Should thread sealant be used?

Use an appropriate thread sealant where required by the equipment or application, and follow the manufacturer's recommended installation practices.

What should I verify before ordering?

Confirm the exact NPT thread size, drain-port configuration, fluid compatibility, operating pressure, temperature, and equipment requirements.

Important Ordering & Installation Notes

  • This listing is for Midland Magnetic Drain Plugs with male NPT threads.
  • Available configurations include 3/8-18, 1/2-14, 3/4-14, and 1-11 1/2 NPT.
  • Confirm the exact drain-port thread size before ordering.
  • Do not force an incorrectly sized plug into a threaded opening.
  • Inspect mating threads for damage before installation.
  • Use an appropriate thread sealant where required for the application.
  • Verify steel construction is compatible with the intended fluid and environment.
  • Confirm operating pressure and temperature requirements before installation.
  • Use the hex-style wrenching surface for installation and removal.
  • Avoid excessive tightening that could damage the plug or equipment housing.
  • Inspect and clean the magnetic surface during routine maintenance.
  • Monitor unusual increases in collected metallic debris as part of equipment condition inspection.
  • Replace the plug if threads, wrenching surfaces, or magnetic components are damaged.
  • Confirm the plug is securely installed before refilling or returning equipment to service.
  • Follow applicable equipment manufacturer maintenance and installation recommendations.
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