4381000280 - 4" Welded SS Lap Joint Flange
4381000280 - 4" Welded SS Lap Joint Flange
Couldn't load pickup availability
Ships factory-new in original packaging.
Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.
TIPS Contract Vendor
Officially awarded purchasing cooperative vendor.
Why Buy From Us
Every quote personally reviewed. Direct sourcing from top manufacturers.
The ZORO SELECT - 4381000280 is a lap joint flange made of 304 stainless steel, designed to fit over a matching stub end welded to the pipe. This loose, flat ring allows the flange to rotate freely for easy bolt-hole alignment and assembly. It is suitable for stainless steel piping systems requiring frequent dismantling or alignment flexibility, where only the stub end contacts the fluid to provide controlled corrosion resistance.
Conforms to industry standards for pressure ratings up to 150 psi, with a maximum rated pressure of 150 psi. It is rated for operation within the specified temperature range of -60°F to 450°F.
Key Features:
- - Material: 304 Stainless Steel.
- - Item Type: Lap Joint Flange.
- - Connection: Welded fitting with a lap joint surface.
- - Nominal Pipe Size: 4 inches.
- - Flange Outside Diameter: 9 inches.
- - Number of Bolt Holes: 8.
- - Pressure Class: Class 150, rated for up to 150 psi maximum operating pressure.
- - Temperature Range: -60°F to 450°F.
- - Standards: ANSI B16.5 and ASTM A182 compliant.
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.