Hydronic FNPT Ball Valve | 5544ABS Series | FNPT x FNPT | Lead-Free Brass with Stainless Trim | Full Port 600 WOG
Hydronic FNPT Ball Valve | 5544ABS Series | FNPT x FNPT | Lead-Free Brass with Stainless Trim | Full Port 600 WOG
The 5544ABS Full Port Ball Valve delivers professional-grade reliability and safety for hydronic, potable water, gas, and HVAC systems. Constructed from lead-free brass with a stainless steel ball and stem, this valve provides superior corrosion resistance, high-pressure performance, and long-lasting dependability. Designed to meet the strictest standards for drinking water and mechanical system safety, it’s the go-to choice for contractors and engineers who demand quality and compliance.
Certified under AB1953, NSF/ANSI 61 & 372, and CSA / UL / FM approvals, this valve is engineered for performance across residential, commercial, and industrial systems requiring full-port flow and threaded FNPT connections.
Key Features
- Certified Lead-Free Construction: Complies with AB1953, NSF/ANSI 61 & 372 standards — <0.25% lead content per wetted surface.
- Stainless Steel Ball & Stem: Made from ASTM A276 S31600 for superior corrosion resistance and high cycle performance.
- Full Port FNPT x FNPT: ASME B1.20.1 threaded ends allow unrestricted flow and easy installation.
- 600 PSI WOG / 150 PSI WSP Rated: Ideal for water, oil, gas, and hydronic systems from 15°F to 366°F.
- UL / CSA / FM Approved: Certified for gas, potable water, and mechanical system shutoff across multiple categories.
- Adjustable Packing & Blow-Out Proof Stem: Ensures long-term serviceability and safety under pressure.
- Virgin PTFE Seats: Provides smooth sealing, low friction, and chemical resistance.
- Geomet®-Plated Handle: Durable steel handle with corrosion protection for harsh environments.
- Meets BAA Requirements: Fully compliant with the Build America, Buy America Act.
Performance Ratings
- Pressure: 600 psi WOG (Water, Oil, Gas); 150 psi max. at 366°F
- Temperature Range: 15°F to 366°F
Certifications & Listings
- NSF/ANSI/CAN 61 & 372 Certified
- CSA Certified – ANSI Z21.15 / ASME B16.44 / CSA B125.14
- UL Approved – Categories VQGU, MHKZ, YQNZ, YRBX, YRPV, YSDT
- FM Approved – Class 1140 (½″–2″ sizes)
- Meet BAA Requirement
Applications
- Hydronic and HVAC systems
- Potable and non-potable water lines
- Gas and oil piping
- Commercial and industrial plumbing installations
Dimension, Cv, Weight
| Size | Φ | A (in) | C (in) | H (in) | L (in) | P (in) | Cv | Weight (lb) |
|---|---|---|---|---|---|---|---|---|
| ½" | ½ - 14 NPT | 2.17 | 0.61 | 2.07 | 3.60 | 0.50 | 11 | 0.45 |
| ¾" | ¾ - 14 NPT | 2.40 | 0.63 | 2.20 | 3.60 | 0.73 | 26 | 0.63 |
| 1" | 1 - 11.5 NPT | 2.97 | 0.75 | 2.56 | 4.98 | 0.98 | 60 | 1.16 |
| 1¼" | 1¼ - 11.5 NPT | 3.31 | 0.77 | 2.75 | 4.98 | 1.23 | 103 | 1.68 |
| 1½" | 1½ - 11.5 NPT | 3.52 | 0.77 | 3.14 | 5.57 | 1.46 | 111 | 2.30 |
| 2" | 2 - 11.5 NPT | 4.11 | 0.79 | 3.51 | 5.57 | 1.95 | 353 | 3.55 |
Material
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Lead-Free Brass | ASTM B927 C27450 |
| 2 | End Piece | Lead-Free Brass | ASTM B927 C27450 |
| 3 | Ball | Stainless Steel | ASTM A276 S31600 |
| 4 | Seat | PTFE | PTFE |
| 5 | Stem | Stainless Steel | ASTM A276 S31600 |
| 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.