Midland Industries 63421MS Coupling 4" Female NPT x 4" Female NPT, 316 Stainless Steel

Midland Industries' 63421MS is a high-performance MSS fitting crafted from durable stainless steel, engineered to withstand tough industrial environments. With NPT threads and a pressure rating of 150 PSIG (or higher depending on temperature and size), this coupling MSS 4in FPT 4in FPT sst 4-8 offers dependable performance where it matters most. Ideal for systems requiring ASME B31 code compliance, it's a smart choice for professionals who demand reliability and longevity from their fittings.

Features

• Helps recover alignment after component changeouts
• Provides stable axial continuity across cut points
• Supports large-bore, high-volume distribution - Suitable for demanding process and coastal applications
• MSS Class 150 stainless steel construction
• ASME B1.20.1 NPT threads for compatibility with standard piping