5581 MNPT x FNPT Brass Ball Valve

Engineered for demanding applications, the 5581 MNPT x FNPT Brass Ball Valve delivers unmatched durability and precision in water, oil, gas, and HVAC systems. Featuring a forged brass body and full-port design, this valve ensures maximum flow efficiency while withstanding extreme pressures and temperatures.

Key Features

✅ 600# WOG / 150# WSP Rating: Certified for high-pressure water, oil, and gas applications (600 PSI WOG / 150 PSI steam).
✅ Chrome-Plated Ball + PTFE Seats: Smooth operation and leak-tight sealing across a wide temperature range.
✅ Adjustable Packing Nut: Simplifies maintenance and ensures long-term stem seal integrity.
✅ Blow-Out Proof Stem: Reinforced design prevents failure under extreme pressure for enhanced safety.
✅ MNPT x FNPT Threads: Male x Female threaded ends for versatile, secure installations.

Technical Specifications

• Body Material: Forged brass (lead-free, corrosion-resistant).
• Ball: Chrome-plated for durability and smooth 90° operation.
• Seats: Virgin PTFE (-20°F to 450°F / -29°C to 232°C).
• End Connections: MNPT x FNPT (ASME B1.20.1 compliant).
• Standards: MSS-SP-110 certified, BAA/AB1953 compliant.

Why Choose This Valve?

• Full Port Design: Zero flow restriction for maximum efficiency.
• Easy Maintenance: Adjustable packing nut reduces downtime and repair costs.
• Industrial Reliability: Trusted in high-pressure environments like oil refineries, gas lines, and steam systems.
• Versatile Installation: Male x Female threads adapt to existing plumbing setups effortlessly.

Applications:

• High-pressure water/oil pipelines
• Steam and compressed air systems
• Gas distribution and HVAC systems
• Industrial process control

Certifications:

• MSS-SP-110 compliant
• Lead-free (BAA/AB1953)

Built to Last – Engineered for reliability in the toughest conditions. 🔧

Dimensions, Weights (inches-lbs.) & Valve Data