Midland Industries

Midland 4" Diameter Aluminum Nipples

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  • Midland 4" Diameter  Aluminum  Nipples
  • Midland Industries
$49.98 - $208.07

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Description

Midland 4" Aluminum Pipe Nipples

Midland 4" Aluminum Pipe Nipples are precision-machined threaded connectors designed for joining compatible female NPT threaded fittings in industrial, commercial, and OEM piping systems.

Manufactured from lightweight aluminum, these 4-inch pipe nipples provide dependable performance while offering excellent corrosion resistance and reduced system weight compared with heavier steel alternatives. Available in multiple standard lengths, they are well suited for compressed air, fluid transfer, irrigation, process piping, and other compatible applications.

Product Highlights

  • 4" nominal pipe size
  • Male NPT threads on both ends
  • Lightweight aluminum construction
  • Excellent corrosion and oxidation resistance
  • Available in multiple standard lengths
  • Compatible with standard 4" female NPT threaded fittings
  • Precision-machined threads for dependable installation
  • One-piece seamless body design
  • Reduced weight compared with comparable steel pipe nipples
  • Suitable for industrial, commercial, and OEM piping systems

Technical Specifications

Product Type Pipe Nipple
Brand Midland
Nominal Pipe Size 4"
Material Aluminum
Connection Type Male NPT x Male NPT
Thread Type NPT
Body Style One-Piece Seamless
Available Lengths Multiple Standard Lengths
Primary Function Connecting 4" Female NPT Threaded Components
Typical Applications Compressed Air, Fluid Transfer, Irrigation, Process Piping, Commercial, Industrial, and OEM Systems

Pipe Nipple Configuration

4" Male NPT Thread

One end features precision-cut 4" male NPT threads for installation into compatible female NPT fittings, valves, or equipment connections.

Aluminum Body

The lightweight aluminum body helps reduce overall piping system weight while providing dependable corrosion and oxidation resistance.

4" Male NPT Thread

The opposite end also features 4" male NPT threads, allowing the nipple to connect two compatible female-threaded components.

Construction Details

Midland 4" aluminum pipe nipples are constructed from durable aluminum to provide long service life while minimizing weight compared with comparable steel pipe nipples.

Precision-cut male NPT threads help provide secure installation and dependable sealing when properly assembled with compatible threaded fittings and the appropriate thread sealant.

The one-piece seamless body design provides strength and consistent performance across a variety of commercial and industrial piping applications.

Why Choose Aluminum Pipe Nipples?

Lightweight Construction

  • Lower weight than comparable steel nipples
  • Easier handling during installation
  • Helps reduce overall piping system weight
  • Useful for equipment and OEM assemblies
  • Available in multiple standard lengths

Corrosion Resistance

  • Aluminum resists corrosion and oxidation
  • Suitable for many compatible fluid systems
  • Useful in industrial environments
  • Supports long service life
  • Requires proper media compatibility verification

NPT Threaded Connections

4" Male NPT x Male NPT

Both ends use tapered 4" male NPT threads for connection between compatible female-threaded fittings, valves, equipment ports, or other piping components.

Thread Sealing

NPT connections typically require an appropriate thread sealant or PTFE tape to help provide a dependable leak-resistant connection.

Typical Applications

Industrial & Process

  • Compressed air systems
  • Fluid transfer lines
  • Process piping
  • Equipment connections
  • Industrial utility systems

Commercial & OEM

  • Irrigation systems
  • Commercial piping
  • OEM equipment assemblies
  • Maintenance and repair
  • General-purpose threaded connections

Length Selection

These Midland pipe nipples use a 4" nominal pipe size and are available in multiple standard lengths.

Select the overall nipple length required for the installation before ordering. Both mating components must use compatible 4" female NPT threads.

Willy knows his pipe sizes
Ask Willy: Need Help Selecting a 4" Aluminum Pipe Nipple?

Our pipe and fitting specialists can help review your required nipple length, 4" NPT connection requirements, mating fittings, material compatibility, and application before you order.

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Frequently Asked Questions

What nominal pipe size are these nipples?

This listing is specifically for Midland 4" Aluminum Pipe Nipples.

What material are these pipe nipples made from?

The supplied product information identifies lightweight aluminum construction.

What type of threads do these pipe nipples use?

They use 4" male NPT threads on both ends.

What does MIP x MIP mean?

MIP x MIP indicates male pipe threads on both ends of the nipple for connecting two compatible female-threaded components.

Are multiple lengths available?

Yes. The supplied product information identifies multiple standard lengths.

What are 4" aluminum pipe nipples commonly used for?

Typical applications include compressed air, fluid transfer, irrigation, process piping, commercial piping, industrial systems, and OEM assemblies.

What are the advantages of aluminum construction?

Aluminum provides lower weight than steel while offering good corrosion and oxidation resistance in compatible applications.

Should thread sealant be used?

Use an appropriate thread sealant or PTFE tape when assembling NPT threaded connections, subject to the requirements of the intended application.

Can aluminum nipples be connected to other metals?

Material compatibility should be reviewed before joining aluminum to dissimilar metals, particularly where moisture or corrosive media could contribute to galvanic corrosion.

What should I verify before ordering?

Confirm the required nipple length, 4" NPT thread compatibility, mating fitting material, operating pressure, temperature, and media compatibility.

Important Ordering & Installation Notes

  • This listing is for Midland 4" Aluminum Pipe Nipples.
  • Confirm the required nipple length before ordering.
  • Both ends use 4" male NPT threads.
  • Verify mating fittings use compatible 4" female NPT threads.
  • Use an appropriate thread sealant or PTFE tape when assembling NPT connections.
  • Verify aluminum is compatible with the intended media and operating environment.
  • Consider galvanic compatibility when connecting aluminum to dissimilar metals.
  • Confirm pressure and temperature requirements before installation.
  • Apply installation torque to appropriate wrenching surfaces.
  • Avoid excessive tightening that could damage the nipple or mating fitting.
  • Support connected piping to prevent excessive mechanical loading.
  • Inspect threaded connections for damage before assembly.
  • Check completed connections for leakage before placing the system into service.
  • Install using accepted piping practices and applicable codes.
  • Refer to Midland manufacturer specifications for complete dimensional and operating information.
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