Swing Check Valve | 246AB Series | FNPT x FNPT | Lead-Free Brass

Designed to meet the rigorous standards of the Safe Drinking Water Act, this lead-free valve is certified to NSF/ANSI 61 & 372 and AB1953, making it ideal for residential, commercial, and industrial plumbing applications that demand both health safety and high performance.

Key Features:

• ✅ Lead-Free Certified – Constructed using C27450 lead-free brass in compliance with NSF/ANSI 61, 372, and AB1953
• ✅ Full Port FNPT x FNPT Connections – Compatible with ASME B1.20.1 NPT standards for reliable, leak-proof connections
• ✅ Horizontal \\”T\\” Pattern Design – Engineered for horizontal installations with minimal pressure drop
• ✅ 200 WOG Rated – Handles water, oil, or gas applications up to 200 PSI (WOG) and maximum 450°F temperature
• ✅ Rugged, Corrosion-Resistant Construction – Includes PTFE gasket and brass seat, ensuring long-term sealing under harsh conditions
• ✅ Stainless Steel Stem – For valve sizes 2½” through 4”, enhancing strength and corrosion resistance

Applications:

• Residential & commercial water systems
• Potable water & lead-free system installations
• Industrial fluid handling
• HVAC & backflow prevention in pump lines

Technical Specifications:

• Body, Cap, Stem, Retaining Disc, Bolt: Lead-Free Brass (ASTM B927 C27450)
• Gasket: PTFE
• Connections: FNPT x FNPT (Threaded)
• Orientation: Horizontal only
• Max Pressure: 200 WOG
• Max Temperature: 450°F

Certifications:

• NSF/ANSI 61 & 372 Compliant
• AB1953 Lead-Free
• California Prop 65 Warning: Contains materials that may expose you to chemicals including lead. More info

When performance and safety matter most, the Red-White Valve Corp 246AB is the professional’s choice. Whether you’re outfitting a new potable water system or replacing a worn component, this swing check valve ensures backflow protection, long-term reliability, and lead-free compliance — all backed by a brand trusted across North America.

Dimension, Weight

Material

* Stainless steel stem for size 2½ -4″