4700 Series - Steam Safety Valve

Product Brand: Farris

  • Balanced bellows design option
  • Metal seat with optional o-ring
  • Full nozzle construction
GENERAL SPECIFICATIONS:
Size1/2” x 3/4” & 3/4” x 1” & 1”x1”
Orifice AreasB (0.028 sq2) to E (0.225 sq2)
Set Pressure Ranges15 to 6000 psig (1.0 to 413 barg)
Temperature Ranges-450 to 1000°F (-268 to 299°C)
Flange Classes150# – 1500#
Materials of ConstructionCarbon or Stainless Steel Body & Bonnet
Stainless Steel Trim
NACE
Hastelloy
Monel

Certifications

  • ASME/NB Section VIII and III for Air, Steam and Water
  • CSA B51 (Canada CRN)
  • ISO 9001- 2008
  • Nuclear – 10 CRF 50 Appendix B, NCA-4000, NQA-1 N285.0