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1-1/4" Socket Weld SS Coupling

MARINESURPLUS.COM

1-1/4" Socket Weld SS Coupling

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$ 34.52
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Description

This 1¼-inch socket weld coupling (model 4307004270) is designed for high-integrity pipe connections in demanding systems. Manufactured from stainless steel, this coupling is engineered to deliver reliable, leak-free joints in applications where strength, corrosion resistance, and durability are critical.

 

Key Specifications

Feature

Detail

Nominal Size

1¼ inch (1.25 in)

Connection Type

Socket weld on both ends

Material

Stainless steel (304L / 304 grade)

Pressure Class / Rating

Class 3000 / 3000 psi equivalent

Standards / Specification

Complies with ASTM A182 / ASME B16.11 family standards for socket weld fittings 

Wall / Thickness

Standard socket-weld coupling thickness suited for 1¼" piping

Finish / Appearance

Polished metallic stainless finish (silver)

Length / Compactness

Compact coupling suitable for tight layout spaces

 

Benefits & Highlights

  • Strong, Permanent Joints — Socket weld connections produce rigid, sealed joints, ideal for high-stress or vibration-prone systems.
  • Corrosion Resistant — Stainless steel construction ensures longevity in corrosive, wet, or corrosive media environments.
  • High Pressure Performance — Rated for Class 3000 service, making it suitable for high-pressure systems.
  • Compact Design — Fits well in tight piping arrangements without excessive bulk.
  • Industry Standard Compliance — Meets standard fitting specifications, ensuring compatibility with industry piping systems.

 

Recommended Applications

  • High-pressure fluid and gas piping installations
  • Chemical, process, or petrochemical systems requiring corrosion resistance
  • Steam, hydraulic or utility lines
  • Repair or expansion of stainless steel piping systems
  • Use in systems where durability and reliability are critical

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