Brass Ball Valve | 5581 Series | Male x Female Threaded

Crafted with a forged brass body and a chrome-plated brass ball, this valve delivers high performance under pressure and long-term reliability, even in aggressive environments. Whether you’re managing water, oil, or gas lines, the 5581 model is built to handle it all with confidence.

Key Features:

• Pressure Rating: 600 PSI WOG (Water, Oil, Gas) | 150 PSI WSP (Steam)
• Temperature Range: 15°F to 366°F
• Full Port Design: Allows maximum flow with minimal pressure drop (Cv up to 360)
• Connection Type: Male x Female NPT threaded ends for secure fit
• Blowout-Proof Stem: Enhanced safety and valve integrity under pressure
• Adjustable PTFE Packing: Minimizes leakage and supports long service life
• Heavy-Duty Handle with PVC Sleeve: Comfortable grip, solid control

Built to Last:

• Body & End Piece: Brass (ASTM B283 C37700) – corrosion-resistant and lead-free
• Ball: Brass with Chrome Plating – ensures smooth operation and durability
• Stem: Brass (ASTM B124 C37700)
• Seats & Packing: High-grade PTFE – chemical-resistant and low-friction
• O-Ring: NBR – excellent sealing under varied conditions
• Handle & Nut: A36 Steel with a PVC Sleeve – rust-resistant and easy to use

Typical Applications:

Ideal for a wide range of uses, including:

• HVAC systems
• Industrial piping
• Water treatment
• Commercial plumbing
• Oil & gas distribution
• Steam lines (up to 150 PSI)

This isn’t just a valve — it’s peace of mind. With over 50 years of industry reputation, Red-White Valve Corp. is known for manufacturing some of the most reliable, ANSI-compliant, and maintenance-friendly valves in the market.

Whether you’re building new systems or replacing existing valves, the 5581 gives you what you need: performance, safety, and precision — with zero compromise.

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

Materials & Specifications