Farris 1890 Series


General Specifications:
Size 1/2" x 1" & 3/4" x 1"
Orifice Areas .077 (liquid)
.089 (vapor) square inches
Set Pressure Ranges 15 to 800 psig
Temperature Ranges -20 to 750°F
Suitable for Air, Steam, Gas & Water
Materials of Construction Carbon Steel Bonnet
Stainless Steel Body & Trim
  • Threaded Steel PRV
  • ASME/NB Certified – Air, Steam & Water
  • Full Bore Nozzle Design
  • ASME/NB Section VIII and III for Air, Steam and Water
  • CSA B51 (Canada CRN)
  • ISO 9001- 2008
  • CSQL (China)
  • GOST-R (Russian)
  • US Coast Guard