3 in x 1 in FNPT 316 Stainless Steel Reducing Coupling, Class 150 MPN:4381036640
3 in x 1 in FNPT 316 Stainless Steel Reducing Coupling, Class 150
The ZORO SELECT - 4381036640 is a reducing coupling made from 316 stainless steel, designed to connect two pipes of different diameters in a compact configuration. It features female National Pipe Tapered (FNPT) threaded connections on both ends, accommodating nominal pipe sizes of 3 inches on Side A and 1 inch on Side B. Rated for use within the specified pressure and temperature ranges, this fitting supports a maximum operating pressure of 300 psi at 150 degrees Fahrenheit. Its construction and design make it suitable for applications requiring corrosion resistance and pressure-rated transitions in piping systems.
Key Features:
- - Material: 316 stainless steel for corrosion resistance.
- - Connection Type: Female NPT threaded connections on both ends.
- - Pipe Sizes: 3" nominal pipe size on Side A, 1" nominal pipe size on Side B.
- - Pressure Rating: Class 150 with a maximum operating pressure of 300 psi @ 150°F.
- - Dimensions: Overall length of 3 1/4 inches
- outside diameter of 4 1/4 inches.
- - Complies with ASTM-A-351 material standard, ANSI/ASME B1.20.1 thread standard, and MSS-SP-114 Class 150 pressure ratings.
- - Does not include pre-applied thread sealant or sealing components.
Additional Information
- Country of Origin: VN
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.30
- Package Width: 4.30
- Package Height: 3.50
- Package Weight: 2.77
Product info last updated on January 25, 2026 1:22pm UTC
Category: Pipes, Valves and Fittings