2 inch x 1-1/4 inch Galvanized Iron Reducing Coupling Female x Female

MPN
511-386
SKU
12691
In stock
2 Available At My Branch
36 Available At All US Supply Locations

2 inch x 1-1/4 inch Galvanized Iron Reducing Coupling – Engineered for Structural Integrity

For high-performance plumbing systems, the 2 inch x 1-1/4 inch Galvanized Iron Reducing Coupling delivers a durable, secure solution for connecting dissimilar pipe diameters. Designed to support demanding mechanical and pressure-bearing applications, this fitting enables reliable transitions between main and branch lines in potable water, HVAC, and drainage systems.

Why This Coupling Meets Professional Standards

  • Hot-Dip Galvanized Coating Offers extended corrosion resistance, especially in humid or exposed environments.
  • High-Tensile Iron Body Cast to withstand system pressure and vibration common in commercial and residential builds.
  • Threaded NPT Ends Compliant with ANSI/ASME B1.20.1 standards for tight, leak-resistant connections.
  • Precision Machining Ensures thread engagement depth and concentricity, reducing the risk of misalignment and flow restriction.
  • Suitable for Multi-Material Systems Compatible with black steel, galvanized, and other threaded iron piping networks.

Technical Specifications

  • Connection Type: Female NPT x Female NPT
  • Nominal Sizes: 2 inch x 1-1/4 inch
  • Material: Galvanized malleable iron
  • Temperature Rating: Up to 150°F for water/oil/gas applications
  • Pressure Rating: Typically 150 psi (check project requirements)
  • Standards: Meets ASTM A197 / ASME B16.3 / ANSI B1.20.1

Installation Guidance

Apply thread sealant or PTFE tape to all male-threaded pipe ends before engagement. Use pipe wrenches with proper torque to avoid cracking. Ensure axial alignment to maintain integrity of connected systems and avoid stress on adjacent fittings.

Common Applications

This reducing coupling is widely used in municipal and industrial plumbing, fire protection loops, water distribution manifolds, and mechanical system retrofits. It’s suitable for both vertical and horizontal installations in high-traffic environments.

Industry Insight

Galvanized iron remains the material of choice where mechanical robustness and corrosion resistance are needed without the cost of stainless steel. Reducing couplings are essential for branch line installation without transitioning to an entirely different manifold system.

Choose the 2 inch x 1-1/4 inch Galvanized Iron Reducing Coupling for long-lasting structural performance. Built to meet jobsite demands, it delivers dependable sealing and alignment in mission-critical systems.

Specifications

Specifications
Weight 1.250000
Brand Non-Specified Brand
ADA Compliance No
Length (inches) 2.9
Width (inches) 2.85
Height (inches) 2.9
End Style Female x Female
Side A 2"
Side B 1-1/4"
Fitting Type Coupling
Item Type Fittings
Manufacturer Non Specified Manufacturer
MPN 511-386
Material Galvanized Iron
Product Family Fittings
Item Returns This item can be returned