
The LEGRIS - 1821 18 18 is a stainless steel pipe fitting adapter made from 316L alloy, designed to join two components with different connection standards or thread types. It features male NPT threaded connections on both ends with a nominal pipe size of 3/8 inch. The adapter supports applications involving air and non-potable water systems and withstands a maximum operating pressure of 2,176 psi. Its overall length measures 1 1/4 inches, and it has a hexagonal wrenching surface sized at 19 mm across flats to facilitate installation.
Key Features:
- - Made from 316L stainless steel for corrosion resistance.
- - Male adapter configuration with male NPT threads on both sides.
- - Nominal pipe size of 3/8 inch on both fittings sides A and B.
- - Suitable for air and non-potable water applications.
- - Maximum operating pressure rating of 2,176 psi.
- - Overall length of 1 1/4 inches.
- - 19 mm hex size for wrench compatibility.
- - No pre-applied thread sealant included.
- - Does not include an additional seal.
- - Not compliant with low lead requirements for potable water.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.