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Safety Relief Valves

ARI REYCO Serie RL40 & RL41


Product Description

Serie RL40 & RL41

Body material:SA216WCC, SA351CF8M

Medium: Gases, Vapours and Liquids


Features and Benefits

  • Precision lapped metal or soft seats provide premium seat tightness meeting or exceeding API 527 leakage standards.
  • Materials of construction provide flexibility. CS, SS, Monel®, Hastelloy® C, and other can be used in liquids, gases, corrosive media, H2S and cryogenic services.
  • ASME VIII compliance. Quality manufacturing and design meet certified relieving capacities by the National Board of Boilers and the Pressure Vessel Inspectors.
  • RL40 and RL41 Series share common parts with Reyco's R and RB Series, reducing spare parts inventories.
General Specifications
  • ASME VIII UV Certified
  • 1/2-inch × 1-inch to 2-inch × 2-inch Inlet/Outlets
  • 5 to 5,000 psig pressure range
  • -400°F to +750°F temperature range
  • Threaded, flanged, socket weld, and butt weld connections
  • Metal or soft seats
  • Standard accessories: lift levers and test gags
  • Exotic materials (Monel® & Hastelloy® C) available
  • Compliance to NACE MR-0175
  • Oxygen cleaning (LOX, GOX)
Technical Data
    RL40 Series
    Vapor and Liquid Service
  • Inlet: 3/4-inch to 2-inch
  • Orifices: 0.152-inch², 0.235-inch², and 0.563-inch²
  • Fixed blowdown
    RL41 Series
    Vapor and Liquid Service
  • Inlet: 3/4-inch to 1 1/2-inch
  • Orifices: 0.152-inch² and 0.235-inch²
  • Fixed blowdown