Ensuring safe and reliable gas flow is essential in HVAC-R and gas distribution systems. RuB ball valves, approved according to EN331, meet strict safety and performance standards, providing reliable solutions for residential, commercial, and industrial applications worldwide.

The EN331 standard defines construction, performance, and safety requirements for ball valves in combustible gas distribution. Following EN331, RuB ball valves are engineered for city gas, natural gas, and liquefied gas at low pressure (MOP 5), suitable for a wide range of applications, including: 

  • Domestic gas distribution, stoves and boilers
  • Heating systems (Read more)
  • Gas metering & regulation systems
  • Heat Pumps

RuB has a global presence in over 53 countries, providing reliable solutions for gas distribution systems and adhering to international and regional certifications by leading authorities like DVGW (Germany), SVGW (Switzerland), and ARGB (Belgium).

Explore the selection of gas-certified RuB ball valves

  • S.84 Ball Valves: sizes range from ¼” through 4” (EN 10226-1), EN331 approved up to 2”. These valves are engineered for durability and can withstand 650°C for 30 minutes at 0.1 bar pressure (HTB class B0.1), also available in M/F series for versatile installation.
     
  • K.84 Ball Valves: sizes range from ¼” through 2” (EN 10226-1 and DIN 16722 M3 standards), EN331 approved. These valves are engineered for durability and can withstand 650°C for 30 minutes at 0.1 bar pressure (HTB class B0.1).
     
  • K.60 Ball Valves: sizes range from ¼” through 2” (EN 10226-1 and DIN 16722 M3 standards), EN331 approved. These valves are engineered for durability and can withstand 650°C for 30 minutes at 0.1 bar pressure (HTB class B0.1). The K.60 spring return includes an automatic self-closing mechanism to prevent unintended gas flow.

Gas safety accessories for RuB Ball Valve 

RuB also provides high-quality safety accessories designed to enhance the reliability of gas systems. 

  • Top lever caps help prevent unauthorized access, making them ideal for gas meters managed by municipal utilities.
     
  • Lockable handles and oval handles ensure that ball valves remain securely in place, whether in the open or closed position, improving safety during maintenance and emergency shutdowns.

Explore our full range of accessories for RuB ball valves here.

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