Seetru, for over four decades, has been manufacturing safety relief valves in UK. The safety relief valves are available in brass and stainless steel and comes in either open or pipe discharge with 8 to 80 NB for air, gas, and liquids.
The safety valves are approved by European standards. In addition, liquid level sight gauges for general and special applications are also manufactured by the company. All Seetru products are approved for marine applications.
Elfab is a UK based company that manufactures bursting discs and explosion panels. Elfab products are known for high quality and technical design applications in leading corporations such as petrochemical, pharmaceutical, defence, and food processing industries.
Ritag is a Germany company that produces duo check and swing check valves in standard and exotic materials such as 50 to 1200 NB. Ritag also specialises in tank bottom valves in standard and special designs. Tank bottom valve comes in manual, electric, and pneumatic actuation. The valves are made in standard cast iron, cast steel, and stainless steel.
Niezgodka, a German-based company manufactures safety relief valves with 8 to 25 NB. The firm also produces vacuum breaker valves. The valves are made of stainless steel, nodular iron, and plated steel materials. In addition, low pressure range is also available.
The various products of these companies are available from Pressure and Safety Systems .