391 Ball Valve Pair – Leak-Free O-Ring Seal x2

• Female – male connections with union with O-Ring seal.
• Max. working pressure: 10 bar.
• Temperature range: 5–100 °C.

Total Flow Control: 391 Series Ball Shut-Off Valves with O-Ring Seal

Ensure precise, reliable control of fluid flow in your heating or cooling system with the 391 Series Pair of Ball Shut-Off Valves, featuring high-integrity O-Ring seals. Designed for professional-grade installations, these valves provide leak-free isolation, allowing for safe maintenance and flexible system management.

Whether you’re upgrading existing pipework or installing a new system, this valve pair delivers robust sealing, long-term durability, and effortless handling.

Secure Connections with Enhanced O-Ring Technology

The integrated O-Ring seal ensures tight, secure connections, eliminating the risk of leaks even under high-pressure or high-temperature conditions. These valves are manufactured from corrosion-resistant materials that perform reliably in demanding HVAC and plumbing environments.

Ideal for radiators, boilers, underfloor heating systems, and other hydronic applications, they offer a compact, user-friendly design that simplifies installation and service work.

Durable Value for Every Application

Don’t let small leaks become big problems. The 391 valve pair is a simple yet powerful way to protect your heating and cooling systems. Their easy open/close action makes them perfect for routine maintenance, system isolation, or emergency shut-offs—saving time and preventing costly damage.

Invest in reliability, safety, and precision with this essential plumbing component.