S-7727K291 1.278" ID x 1 21/32" OD x 6" Long ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Thick-Wall Steel Threaded Pipe Nipples and Pipe

1489FA00490 Thick-Wall Steel Threaded Pipe Nipples and Pipe
1489FA00490 Thick-Wall Steel Threaded Pipe Nipples and Pipe

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Part No.
Part No. 1489FA00490
Equivalent to mcmaster :
7727K291

Basic Information

For Use With Air, Natural Gas, Oil, Steam, Water
Shape Straight
Type Pipe
Schedule 80
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 1 1/4
Length 6"
OD 1 21/32"
ID 1.278"
Wall Thickness 0.191"

Material & Accessories Parameters

For Fitting Class 300
For Fitting Material Iron, Steel
For Flange Material Steel
For Flange Class 300, 600
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 black-coated steel construction, extending service life in demanding environments
  • Enhanced structural integrity from seamless design, preventing leaks and withstanding high-pressure applications
  • Reliable sealing performance with NPT threads on both ends, ensuring secure connections in air, gas, oil, steam, and water systems
  • Heavy-duty durability with Schedule 80 thick walls (0.191"), ideal for 300/600 flange class industrial operations
  • Broad compatibility across iron and steel fittings, simplifying integration into existing piping networks
  • Regulatory peace of mind with full REACH and RoHS 3 compliance, meeting global safety and environmental standards
  • Precision manufacturing per ASME B1.20.1 and ASTM A106/A53, guaranteeing consistent dimensional accuracy and thread quality

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers exceptional engineering value in industrial fluid and gas handling systems. Its seamless construction eliminates weak points, reducing failure risks under cyclic pressure loads in air, natural gas, oil, steam, and water applications. The NPT threading ensures leak-resistant joints, while the Schedule 80 thick-wall design (1.278" ID, 1 21/32" OD) maintains integrity in high-stress environments like 300/600 class flange setups. Manufactured from ASTM A106/A53 steel, it resists deformation and corrosion, offering long-term reliability in chemical, petrochemical, and HVAC installations where downtime is costly.

Specification Summary & Compliance

This 1 1/4" Schedule 80 pipe nipple features precise NPT threads per ASME B1.20.1 standards, with a 6" length and male ends for straightforward installation. It conforms to ASTM A106, ASTM A53, and ASTM A733 material specifications, ensuring consistent wall thickness (0.191") and dimensional stability. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, supporting safe and sustainable industrial operations.

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