S-7818K218 Length 4" 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

1490FA00070 Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe
1490FA00070 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. 1490FA00070
Equivalent to mcmaster :
7818K218

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"

Dual End Parameters

Pipe Size (A) 1 1/4
Pipe Size (B) 3/4
OD (A) 1 21/32"
OD (B) 1 3/64"
ID (A) 1.278"
ID (B) 0.742"
Wall Thickness (A) 0.191"
Wall Thickness (B) 0.154"

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, extending service life in demanding environments
  • Seamless design eliminates weak points, providing enhanced structural integrity for high-pressure applications
  • Precision NPT threading on both ends ensures leak-proof connections with Class 300 fittings
  • Schedule 80 thick-wall construction delivers exceptional durability against internal pressure and mechanical stress
  • Multi-medium compatibility safely handles air, natural gas, oil, steam, and water systems
  • Reduced installation time with ready-to-install male threaded connections on both ends
  • Comprehensive standards compliance guarantees consistent performance and interchangeability

Professional Applications & Engineering Value

This galvanized steel threaded pipe reducer addresses critical industrial challenges where pressure integrity and corrosion resistance are paramount. The seamless construction eliminates potential failure points common in welded alternatives, while the zinc coating provides sacrificial protection against rust in humid or chemical-exposed environments. Engineered specifically for high-pressure systems handling air, natural gas, oil, steam, and water, this Schedule 80 nipple maintains system integrity where standard wall fittings would fail. The precision NPT threading ensures perfect seal formation with Class 300 fittings, making it ideal for industrial plumbing, process piping, and mechanical systems requiring reliable diameter transitions under demanding conditions.

Specification Summary & Compliance

This 1-1/4 x 3/4 pipe reducer features NPT threads manufactured to ASME B1.20.1 standards with Schedule 80 dimensions. The product meets ASTM A234 for wrought carbon steel fittings, ASTM B633 for zinc coating requirements, and MSS SP-95 for threaded pipe nipples. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.

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