High Performance Safety Valves

High Performance is especially used for protecting facilities where maximum discharge capacity needs to be reached quickly.

Series 441, XXL, 444, 441 Full nozzle, 458


  • Heat exchanger
  • Chemical equipment and piping
  • General steam installations
  • All industrial applications independent from the medium
  • Air/gas compressors and pumps

Product features

  • Great variety of types, materials and options to fit any application
  • Valve sizes from DN 20 through DN 400, 1″ through 16″
  • Flange connections according to DIN EN, ANSI/ASME and other
  • High capacity compared to the API requirements
  • Standard metal sealing
  • Single trim for steam, gas and liquid

Expert technical

Contact us for expert technical advice with applications, grade selection and product working pressures.

Wide range of

DH Stainless stock the widest range of stainless steel piping and tubular products.

Three stock

DH Stainless have our main distribution stock hub at our head office in North West England as well as stock branches in Scotland and South East England.