5544AB LF Brass Full Port Ball Valve

The 504XAB Lead-Free Brass Full Port Ball Valve is a high-performance, durable solution designed for potable water, gas, HVAC, and industrial applications. Crafted from lead-free brass and compliant with AB1953, NSF/ANSI 61 & 372, this valve ensures safety and long-term reliability in various systems.

With a full port design, this valve allows unrestricted flow, reducing pressure loss for optimal efficiency. The FNPT x FNPT threaded ends conform to ASME B1.20.1-NPT, providing a secure and leak-free connection. The 2-piece body features a chrome-plated ball and virgin PTFE seats, ensuring smooth operation and a reliable seal. For enhanced safety and durability, the adjustable packing nut and blow-out proof stem prevent leaks and extend service life.

Engineered to meet MSS-SP-110 standards, this valve is CSA, UL, and FM certified, making it a trusted choice for gas, water, and industrial applications. With a 150# WSP / 600# WOG pressure rating, plus vacuum and high-pressure gas approvals, the 504XAB is built for demanding environments.

Key Features:

✅ Lead-Free Brass Construction – Safe for potable water, certified to AB1953, NSF/ANSI 61 & 372
✅ Full Port Design – Maximizes flow efficiency with minimal restriction
✅ FNPT x FNPT Threaded Ends – ASME B1.20.1-NPT compliant for secure installations
✅ Chrome-Plated Ball & Virgin PTFE Seats – Delivers durability and a tight, leak-proof seal
✅ Adjustable Packing Nut & Blow-Out Proof Stem – Enhances safety and longevity
✅ High-Performance Ratings – 150# WSP / 600# WOG, UL-rated up to 600 psi, CSA & FM approved
✅ Certified for Gas & Vacuum Service – CSA ½ & 5 psig (¼″ – 3″), FM Class 1140, 29 in-Hg vacuum rating

Certifications & Approvals:

✔ CSA ANSI Z21.15 / CSA 9.1 – ½ psi (¼" - 3")
✔ CSA CGA CR91.002 - 5G – 5 psi (¼" - 2")
✔ CSA ASME B16.44 - 5G – 5 psi (¼" - 3")
✔ CSA 3.16 – 125 psi (¼" - 2")
✔ UL Approved – 600 psi (¼” - 1”), 300 psi (1¼” - 2”)
✔ UL Category VQGU – Trim and Drain Valve
✔ UL Categories MHKZ-YQNZ-YRBX-YRPV-YSDT – Gas Shut-off Valve
✔ FM Approved – (¼" - 2") Class Number 1140
✔ CSA ASME A112.4.14 / CSA B125.14 – (¼" - 2")
✔ CSA IAPMO / ANSI Z1157 – (¼" - 2")

Ideal for water, HVAC, gas, and vacuum systems, the 504XAB Lead-Free Brass Full Port Ball Valve offers superior performance, long-lasting durability, and industry-certified reliability for a wide range of applications.

Documentation:

• Spec Sheet
• IOM
• Download PDF