S-7818K221 Length 4 1/2" ASME B1.20.1, ASTM A234, ASTM B633, MSS SP-95 Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

1490FA00072 Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe
1490FA00072 Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

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

Part No.
Part No. 1490FA00072
Equivalent to mcmaster :
7818K221

Basic Information

For Use With Air, Natural Gas, Oil, Steam, Water
Shape Straight
Type Pipe, Reducer
Schedule 80
Construction Seamless
Material Galvanized Steel
Specifications Met ASME B1.20.1, ASTM A234, ASTM B633, MSS SP-95
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

Length 4 1/2"

Dual End Parameters

Pipe Size (A) 1 1/2
Pipe Size (B) 1/2
OD (A) 1 29/32"
OD (B) 27/32"
ID (A) 1.5"
ID (B) 0.546"
Wall Thickness (A) 0.2"
Wall Thickness (B) 0.147"

Material & Accessories Parameters

For Fitting Class 300
For Fitting Material Galvanized Iron, Galvanized Steel
For Flange Material Galvanized Steel
For Flange Class 300
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 galvanized steel construction for extended service life in harsh industrial environments
  • Seamless design eliminates weak points, providing enhanced structural integrity and leak prevention
  • Precision NPT threading on both ends ensures secure, leak-tight connections with standard fittings
  • Heavy-duty Schedule 80 wall thickness delivers exceptional pressure containment for demanding applications
  • Multi-medium compatibility safely handles air, natural gas, oil, steam, and water systems
  • Full regulatory compliance with REACH and RoHS 3 ensures environmental and safety standards are met
  • Reduced installation time with ready-to-install threaded connections for both 1½" and ½" pipe systems

Professional Applications & Engineering Value

This galvanized steel pipe reducer nipple solves critical industrial piping challenges through its seamless construction and NPT threaded both ends design. The galvanized coating provides essential corrosion protection for long-term reliability in chemical exposure and outdoor installations. Engineered to ASTM A234 and ASME B1.20.1 standards, it maintains dimensional accuracy for perfect alignment in Class 300 pressure systems. The Schedule 80 wall thickness withstands high-pressure surges in air, natural gas, oil, steam, and water applications, while the seamless structure eliminates potential failure points common in welded alternatives. This pipe reducer enables smooth transitions between different pipe sizes without compromising system integrity.

Specification Summary & Compliance

This 1½" x ½" pipe reducer nipple features precision NPT threading manufactured to ASME B1.20.1 standards for reliable sealing. Constructed from galvanized steel per ASTM B633 with Schedule 80 wall thickness (0.2" at 1½" end, 0.147" at ½" end) for maximum pressure rating. Meets ASTM A234 for wrought carbon steel fittings and MSS SP-95 for swage nipples. Fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across industrial applications.

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