Swing Check Valve | 236AB Series | FNPT x FNPT | Lead-Free Brass

Engineered for performance, safety, and compliance, the 236AB Swing Check Valve by Red-White Valve Corp. is a premium-grade solution for controlling backflow in potable water systems. Constructed with lead-free brass and certified to NSF/ANSI 61 & 372 standards, this valve is ideal for commercial, residential, and industrial plumbing applications where drinking water safety and durability are critical.

This Y-pattern swing check valve features FNPT x FNPT threaded ends (ASME B1.20.1 NPT), ensuring secure, leak-resistant connections. Designed in full compliance with AB1953 and MSS-SP-80 standards, the valve meets BAA requirements and provides reliable flow control with minimal pressure drop.

Key Features:

• Lead-Free Brass Body & Components
  Meets the Drinking Water Act definition of lead-free with less than 0.25% lead content in wetted surfaces.
  (Material: ASTM B927 C28500)
• Y-Pattern Swing Check Design
  Allows smoother flow and reduced turbulence while preventing reverse flow.
• Threaded FNPT x FNPT Ends
  Compatible with standard ASME B1.20.1 pipe threads for easy installation and secure sealing.
• Certified Safe for Drinking Water Systems
  Complies with NSF/ANSI 61, NSF/ANSI 372, and AB1953 for potable water use.
• High Pressure & Temperature Rating
  Rated at 200 psi from 15 °F to 160 °F, and 125 psi max at 366 °F for superior thermal and pressure stability.
• Built to Last
  Internal components such as the disc, stem, and cap are also made of lead-free brass for enhanced corrosion resistance and strength.
• PTFE Gasket
  Provides reliable chemical resistance and sealing performance.
• Meets MSS-SP-80
  Built to stringent valve manufacturing standards for long-term service and consistent quality.

Applications:

• Potable water systems
• Residential plumbing
• Commercial facilities
• HVAC systems
• Light industrial processes requiring check valves

Certifications:

• NSF/ANSI 61 – Drinking Water System Components
• NSF/ANSI 372 – Lead Content Compliance
• AB1953 Compliant
• Meets BAA (Buy American Act) Requirements

When safety, compliance, and long-lasting performance matter, the 236AB swing check valve delivers. Whether you're a contractor, plumber, or facility engineer, this valve ensures worry-free operation in water systems that demand lead-free assurance and pressure resilience.

Dimension, Cv, Weight

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