Full Port Ball Valve | 5544AB Series | FNPT x FNPT | Lead-Free Brass | 600 WOG
Full Port Ball Valve | 5544AB Series | FNPT x FNPT | Lead-Free Brass | 600 WOG | UL FM CSA Certified
The 5544AB Full Port Ball Valve offers unmatched reliability and flow performance for commercial, industrial, and residential applications. Built from lead-free brass (ASTM B927 C27450), it meets NSF/ANSI 61 & 372 standards and complies with the U.S. Safe Drinking Water Act requirements for potable water systems. The full-port design ensures maximum flow with minimal pressure loss, while the chrome-plated brass ball and blow-out proof stem deliver smooth, long-term performance.
Backed by multiple industry certifications including CSA, UL, FM, and IAPMO, this valve is approved for water, gas, and general plumbing use. Designed with threaded FNPT x FNPT ends (ASME B1.20.1-NPT) and adjustable PTFE packing, the 5544AB is easy to install, maintain, and depend on for high-performance shutoff control.
Key Features
- Lead-Free Brass Construction: Certified to AB1953, NSF/ANSI 61 & 372 standards — <0.25% lead on wetted surfaces.
- Full Port Design: Provides unrestricted flow with minimal pressure drop.
- 600 PSI WOG / 150 PSI WSP Rating: Ideal for water, oil, gas, and HVAC systems from 15°F to 366°F.
- Blow-Out Proof Stem: Engineered for safety under high pressure and long service life.
- Chrome-Plated Brass Ball: Ensures corrosion resistance and smooth operation.
- FNPT x FNPT Threaded Ends: Compliant with ASME B1.20.1 standards for secure, leak-tight connections.
- Virgin PTFE Seats and Packing: Chemically resistant and long-lasting.
- Geomet®-Plated Steel Handle: Provides corrosion protection and comfortable operation.
- Meets Buy American Act (BAA) Requirements: Suitable for government and public works projects.
Certifications & Approvals
- NSF/ANSI 61 & 372 Certified (Lead-Free Water Applications)
- CSA Certified – ANSI Z21.15 / ASME B16.44 / CSA 3.16
- UL Listed (600 PSI for ¼″–1″, 300 PSI for 1¼″–2″)
- FM Approved – Class 1140 (¼″–2″)
- IAPMO / ANSI Z1157 Certified
- MSS-SP-110 Compliant
- Meets BAA (Build America, Buy America) Requirements
Pressure / Temperature Rating
- 600 PSI WOG: from 15°F to 160°F
- 150 PSI Max: at 366°F
Dimension, Cv, Weight
| Size | Φ | A (in) | C (in) | H (in) | L (in) | P (in) | Cv | Weight (lb) |
|---|---|---|---|---|---|---|---|---|
| ¼″ | ¼ - 18 NPT | 1.72 | 0.45 | 1.50 | 3.15 | 0.39 | 8 | 0.26 |
| ⅜″ | ⅜ - 18 NPT | 1.79 | 0.46 | 1.50 | 3.15 | 0.39 | 8 | 0.27 |
| ½″ | ½ - 14 NPT | 2.17 | 0.61 | 2.07 | 3.54 | 0.50 | 11 | 0.44 |
| ¾″ | ¾ - 14 NPT | 2.40 | 0.63 | 2.20 | 3.54 | 0.73 | 26 | 0.62 |
| 1″ | 1 - 11.5 NPT | 2.97 | 0.75 | 2.56 | 4.98 | 0.98 | 60 | 1.13 |
| 1¼″ | 1¼ - 11.5 NPT | 3.31 | 0.77 | 2.75 | 4.98 | 1.23 | 103 | 1.46 |
| 1½″ | 1½ - 11.5 NPT | 3.52 | 0.77 | 3.14 | 5.57 | 1.46 | 111 | 2.05 |
| 2″ | 2 - 11.5 NPT | 4.11 | 0.79 | 3.51 | 5.57 | 1.95 | 353 | 3.29 |
| 2½″ | 2½ - 8 NPT | 5.31 | 1.06 | 4.45 | 7.87 | 2.44 | 409 | 6.28 |
| 3″ | 3 - 8 NPT | 6.03 | 1.14 | 4.88 | 11.08 | 2.94 | 530 | 9.24 |
| 4″ | 4 - 8 NPT | 7.56 | 1.20 | 5.63 | 11.08 | 3.94 | 1200 | 16.32 |
Material
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Lead-Free Brass | ASTM B927 C27450 |
| 2 | End Piece | Lead-Free Brass | ASTM B927 C27450 |
| 3 | Ball | Lead-Free Brass / Chrome-Plated | ASTM B927 C27450 |
| 4 | Seat | PTFE | PTFE |
| 5 | Stem | Lead-Free Brass | ASTM B927 C27450 |
| 6 | Packing | PTFE | PTFE |
| 7 | Packing Nut | Brass | ASTM B124 C37700 |
| 8 | Handle | Steel / Geomet® Plated | ASTM A36 |
| 9 | Handle Nut | Steel / Zinc-Plated | ASTM A36 |
⚠ California Prop 65 Warning:
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and reproductive harm.
For more information, visit www.P65Warnings.ca.gov.