1 1/4" Heavy Black Barrel Nipple

  • 1 1/4" Heavy Black Barrel Nipple

1 1/4" Heavy Black Barrel Nipple

1 1/4" (32mm) NB barrel nipple in black mild steel

Conforms to the BS EN 10241 standard, previously BS 1387 & BS 1740

Tubular pipe fitting manufactured from heavy steel tube to BS EN 10255

Male BSPT taper threaded ends to ISO 7-1

Minimum length: 70mm


The 1 1/4" heavy duty black iron nipple is a workhorse fitting designed for tackling demanding pipe connections in industrial and plumbing systems. Here's a breakdown of its key attributes and how it can benefit your project:

Built to Last: Superior Strength and Durability

• Material: 

Constructed from robust malleable iron, this nipple offers exceptional strength and resilience. It can handle significant pressure and impact compared to standard steel nipples, making it ideal for heavy-duty applications.

• Wall Thickness: 

The "heavy duty" designation signifies a thicker pipe wall compared to standard nipples. This translates to increased strength and the ability to withstand higher pressure and mechanical stress.

Secure Connections: Leak-Proof Performance

• Thread Type: 

Typically features Male (M) BSPT (British Standard Pipe Thread) threads on both ends. When connected to compatible female threaded pipes, valves, and other fittings, these tapered threads create a tight, leak-proof seal. Double-check thread compatibility with your specific components before purchase.

Classic Look, Functional Protection

• Finish: 

The black iron finish provides a timeless aesthetic that complements many industrial settings. It also offers a degree of corrosion resistance. For environments with extreme moisture or harsh chemicals, consider galvanized nipples for enhanced protection.

Applications: Where the 1 1/4" Heavy Duty Nipple Shines

• Industrial Applications: 

A go-to choice for air, gas, water, and oil lines within industrial settings due to its robust build and ability to handle higher pressures.

• Non-Residential Plumbing: 

It can be suitable for low-pressure water lines, irrigation systems, and compressed air applications in non-residential plumbing systems.

Factors to Consider Before You Buy

• Pressure Rating: 

While "heavy duty" indicates increased strength, it's crucial to consult the manufacturer's specifications for the specific pressure rating of the nipple. This will ensure it meets the pressure requirements of your project.

• Temperature Rating: 

Similarly, check the temperature rating to ensure the nipple is suitable for the intended application's temperature range.

• Length: 

1 1/4" heavy duty black iron nipples come in various lengths. Choose the length that perfectly fits your project needs.

• Thread Sealant: 

Apply an appropriate thread sealant during installation to create a secure, leak-proof connection.

Wall Thickness: 4.1mm