News

June 2025

Ex-proof up to zone 0 with new DLWH leak-free valve

New leak-free valve DLWH series 20 are available!

  • Intrinsically safe Ex-ia classified: the highest protection level in potentially explosive environments
  • ATEX & IECEx multi-certified solenoids: surface group II 1G for operations up to zone 0 and mining group I M1
  • Optimized electronic barrier matching: select between 150Ω or 100Ω solenoid resistances to best suit specific barrier models
  • Improved construction: new horizontally positioned DIN43650 electrical connector reduces overall vertical dimensions and allows the installation of optional WP rubber manual override
  • Performance unchanged versus series 10: Qmax 12 l/min & Pmax 350 bar

Discover our new DLWH series 20.

Source: NW25-150