PrimeDisc | CSD

DN 15-100 mm

Design Features

  • Easy mounting and centering thanks to multiflangeable body design
  • PN6-40 and ANSI CL.150/300
  • Wider sealing surface as a result of applying the newest casting technologies
  • Long lifetime due to guided valve plate by casted body ribs
  • Closed spring cap design for full safety

DN 15-100, PN 6-40 / ASME Cl. 150/300

  • Classification of these products according to PED 97/23/EC, fluid group 1
  • Installation with sealing between flanges according to DIN EN 1092-1 Form B1, PN 6-40 and ASME Cl. 150/ 300
  • Operational limits according to DIN EN 1092-1 and AD-Merkblätter W10
  • Tightness according to DIN EN 12266-1, Leakage Rate D (Sealing M, T) and Leakage Rate A (Sealing E, P, V)
  • Overall lengths according to DIN EN 558, line 49
  • Standard spring applicable up to 300°C
  • Identification according to DIN EN 19
  • In compliance with PED 2014/68/EU
  • Pmax. 40 bar

 

DN 125-350, PN 10/16 standard

DN 125-350, PN 40 / ASME Cl. 150/300 with center rings

  • Nominal pressure max. PN40
  • Operational limits according to DIN EN 1092-1 and AD-Merkblätter W10
  • Tightness according to DIN EN 12266-1, Leakage Rate D (Sealing M, T) and Leakage Rate A (Sealing E, P, V)
  • Overall lengths according to DIN EN 558, Gr. 49, from DN 250 on DIN EN 558, Gr. 52
  • Standard spring applicable up to 300°C
  • Identification according to DIN EN 19
  • In compliance with PED 2014/68/EU
  • Pmax. 40 bar

 

Special Versions

  • Hastelloy C4 springs (up to 400°C) and Nimonic (up to 500°C)
  • Special springs for different opening pressures