Experts in supplying stainless steel piping and tubular products to industry

Need Advice?
01254 237 409


Critical Service Safety Valves View All Safety Valves

Critical Service offers solutions for protection from highly corrosive and toxic mediums.

Series 447, 546, 449


  • Corrosive or aggressive chemicals
  • Chemical equipment and piping
  • Chlorine manufacture and processing
  • Reducing acids
    (e. g. hydrochloric acid, acetic acid)
  • Alkalis or caustic service
  • MDI systems

Product features

  • Valve sizes DN 25 through DN 100, 1" through 4"
  • Flange connections according to DIN EN, ANSI/ASME and other
  • Body is resistant against most chemicals by special coating
  • PTFE lining or special metals
  • A PTFE or metal bellows protects the bonnet area against product influences
  • Smooth inside surface avoid adherence of corrosive matters
  • Single trim for gas and liquid
Join our mailing list