Model 331

The Model 331 Gas Approved Ball Valve is a reliable and cost-effective solution designed specifically for gas applications. Manufactured from nickel plated brass, it offers excellent corrosion resistance and durability, making it suitable for both domestic and commercial gas systems. Designed with a full bore construction, the valve ensures maximum flow efficiency and minimal pressure drop. It features BSPP threaded connections for straightforward installation and secure sealing within standard pipework systems. Certified to EN331 and EN305 standards, the Model 331 is approved for gas applications, providing assurance of safety and compliance. The distinctive yellow lever handle allows for easy identification in gas systems, improving operational clarity and safety. With a working temperature range of -10°C to +80°C and a maximum working pressure of 5 bar, the valve is well suited to gas distribution systems. It incorporates NBR sealing and PTFE seats, ensuring reliable shut-off performance and long service life. Available in sizes from 1/4” to 4” (DN8 to DN100), the Model 331 provides flexibility across a wide range of installation requirements. A wing handle version is also available on request for alternative operation. Held in stock at Ultravalve and competitively priced, this valve offers a dependable and economical solution for gas system isolation.