S-7733K294 2 1/8" ID x 2 7/8" OD x 6" Long ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733 Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

1491FA00091 Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe
1491FA00091 Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Image may differ from product. See technical specification for details.

Part No.
Part No. 1491FA00091
Equivalent to mcmaster :
7733K294

Basic Information

For Use With Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
Shape Straight
Type Pipe
Schedule 160
Construction Seamless
Material Black-Coated Steel
Specifications Met ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant

Connection Parameters

Threading Threaded on Both Ends
Connection Type Pipe
Connection Style Threaded
Thread Type NPT
Gender Male

Dimension Parameters

Pipe Size 2 1/2
Length 6"
OD 2 7/8"
ID 2 1/8"
Wall Thickness 3/8"

Dual End Parameters

Dash Size 40

Material & Accessories Parameters

For Fitting Class 3000
For Fitting Material Steel
For Flange Material Steel
For Flange Class 1500
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with a durable black coating, extending service life in harsh industrial environments.
  • Exceptional pressure handling due to Schedule 160 rating and 3/8" wall thickness, ideal for Class 3000 fittings and Class 1500 flanges.
  • Leak-proof connections ensured by NPT threads on both ends, conforming to ASME B1.20.1 for reliable sealing.
  • Versatile fluid compatibility for air, hydraulic fluid, natural gas, oil, steam, and water, reducing inventory needs.
  • Enhanced structural integrity from seamless steel construction, minimizing failure risks under high stress.
  • Regulatory compliance with RoHS 3 and REACH, ensuring safe use in global markets.
  • Easy installation with male threaded ends and straight design, saving time on assembly.

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple is engineered to address common industrial challenges like high-pressure leaks and corrosion-induced failures. Its seamless construction and extra-thick wall (3/8") provide robust resistance to internal pressures and mechanical stress, making it ideal for demanding applications in hydraulic systems, steam lines, and oil and gas pipelines. The NPT threading on both ends ensures a secure, standardized fit with steel fittings and flanges, while the protective coating combats environmental degradation. By meeting ASME B1.20.1 and ASTM A106 standards, it delivers consistent performance in industrial pipe fittings, reducing downtime and maintenance costs for engineers and procurement specialists.

Specification Summary & Compliance

This product features precise NPT thread dimensions per ASME B1.20.1, with a pipe size of 2 1/2", length of 6", and Schedule 160 rating for tight tolerances. It complies with material standards including ASTM A106, ASTM A53, and ASTM A733, and is fully RoHS 3 and REACH compliant, ensuring adherence to environmental and safety regulations in industrial applications.

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