Brass Full Port Ball Valve | 5544S Series | FNPT x FNPT | Stainless Steel Trim | 600 WOG
Brass Full Port Ball Valve | 5544S Series | FNPT x FNPT | Stainless Steel Trim | 600 WOG | MSS-SP-110
The 5544S Brass Full Port Ball Valve delivers exceptional flow control and reliability for demanding industrial, HVAC, and plumbing applications. Its solid brass body paired with 316 stainless steel ball and stem ensures long-term durability, chemical resistance, and consistent shut-off performance under pressure.
Engineered to MSS-SP-110 standards and rated for 150# WSP / 600# WOG, this valve features a blow-out proof stem, PTFE seats and packing, and threaded FNPT x FNPT ends per ASME B1.20.1. Perfect for high-temperature and high-pressure systems handling water, oil, gas, or steam.
Key Features
- Full Port Design: Maximizes Cv and reduces pressure drop across the system.
- 600 PSI WOG / 150 PSI WSP: Handles a wide range of high-pressure service conditions.
- Stainless Steel Trim: 316 SS ball and stem offer superior corrosion and wear resistance.
- Rugged Brass Construction: Body and end piece made from ASTM B283 C37700 for mechanical strength and longevity.
- PTFE Seats & Packing: Provide smooth operation and chemical-resistant sealing with minimal maintenance.
- Threaded FNPT Ends: Conform to ASME B1.20.1-NPT for reliable, leak-free installation.
- Blow-Out Proof Stem: Designed for safety under system pressure.
- MSS-SP-110 Compliant: Meets rigorous performance and quality standards for ball valves.
Applications
- Industrial processing systems
- Commercial HVAC and hydronic systems
- Residential and commercial plumbing
- Steam, water, and gas service lines
- General shutoff or control applications
Pressure / Temperature Rating
- 600 PSI WOG: from 15°F to 160°F
- 150 PSI Max: at 366°F
Dimension, Cv, Weight
| Size | Thread | A (in) | C (in) | H (in) | L (in) | P (in) | Cv | Weight (lb) |
|---|---|---|---|---|---|---|---|---|
| ½″ | ½-14 NPT | 2.13 | 0.55 | 2.10 | 3.60 | 0.59 | 15 | 0.50 |
| ¾″ | ¾-14 NPT | 2.56 | 0.59 | 2.24 | 3.60 | 0.79 | 30 | 0.72 |
| 1″ | 1-11.5 NPT | 2.92 | 0.71 | 2.57 | 4.98 | 0.98 | 60 | 1.16 |
| 1¼″ | 1¼-11.5 NPT | 3.39 | 0.73 | 2.78 | 4.98 | 1.26 | 110 | 1.74 |
| 1½″ | 1½-11.5 NPT | 3.90 | 0.77 | 3.27 | 5.57 | 1.57 | 130 | 2.64 |
| 2″ | 2-11.5 NPT | 4.45 | 0.81 | 3.56 | 5.57 | 1.97 | 360 | 3.94 |
Material
| Part | Material | Specification |
|---|---|---|
| Body | Brass | ASTM B283 C37700 |
| End Piece | Brass | ASTM B283 C37700 |
| Ball | Stainless Steel | ASTM A276 S31600 |
| Seat | PTFE | PTFE |
| Stem | Stainless Steel | ASTM A276 S31600 |
| Packing | PTFE | PTFE |
| Packing Nut | Brass | ASTM B124 C37700 |
| Handle | Steel / Dacromet® Plated | A36 |
| Handle Nut | Steel / Zinc-Plated | A36 |
⚠ California Prop 65 Warning:
This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.