Safety Valve – Type S

Flange connection PN40, Steel

Application: Primarily steam and non aggressive gases

  • High-liftable type with large capacity
  • Design/dimension EN12516-1, EN4126-1/7
  • Inspection: EN4126-1/7, API 527, MSS SP-55
  • Tolerances: EN4126-1 and ASME UG-126

GENERAL DATA

  • Type: 1400
  • Material: Steel A106GrB (DN15-50) 1.0619 (DN65-300)
  • Pressure class: PN 40
  • Spring Case: Steel A106GrB (DN15-50) 1.0619 (DN65-300)
  • Seat: CS + 308L SS
  • Stem: Stainless steel AISI420
  • Spring: Steel (120°C); Chromium-vanadium (219°C); AISI302 (260ºC); Inconel X750 (500°C)
  • Lid: Stainless steel A351 CF8
  • Lifting device: Stainless steel A351 CF8
  • Connection: Input: Flanges EN1092 PN40 ; Departure: Flanges EN1092 PN16
  • Temperature: Max. 350ºC
  • When ordering: Inform: Media, setting pressure, temperature and desired capacity
  • Options: PN 16 or PN 63
    • ANSI 150, 300, 600 or 900lbs (type 1415)
    • BW versions
    • Versions in stainless steel AISI 316L
    • Stellite seat, Hastelloy trim, bellows, softsealing
    • Gas proof casing or without lifting device
    • Inductive sensor, heating jacket, test gag, blow-down nozzle ring