• Sarasin 78 Series Pilot Operated Pressure Relief Valve 1
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 2
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 3
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 4
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 5
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 6
  • Sarasin 78 Series Pilot Operated Pressure Relief Valve 7

Sarasin-RSBD®

78 Series Pilot Operated Pressure Relief Valve

The Sarasin-RSBD® 78 Series Semi Nozzle design has been developed in compliance with API standard 526 to protect against overpressure.

Withstanding the most stringent criteria in terms of operating pressure and back pressure, the Sarasin-RSBD® 78 Series Pilot Operated Pressure Relief Valve is an autonomous unit. Therefore, it does not need an external source of power for it to operate. Used mostly in the oil and gas industry this pressure relief valve can be used in vapor, gas, liquid, or steam applications. Precision machined internal components and high integrity soft goods mean that the Sarasin-RSBD® 78 Series Pilot Operated Pressure Relief Valves are designed to provide excellent operational performance and repeatability.

DESIGN STANDARDS

  • ASME BPVC Section VIII
  • API STD 520/526/527
  • ISO 4126
  • Directive 2014/68/UE
  • ATEX 94/9/EC
  • EAC TR CU 10/12/32
  • SELO TS
  • Marine standards

DESIGN RATINGS

  • ASME & API Class 150 to 2500
  • API Class 5K & 10K (customized)

SIZE RANGE & DIMENSIONS

  • 25 – 200mm (1 – 8 inches)

PRESSURE RANGE

  • Up to 431 bar (6,251 psig) with standard ASME class

TEMPERATURE RANGE

  • Reaching -60ºC (-76°F) cryogenic levels to 327ºC (+620°F)

CAPACITY

  • Individually calculated and selected for each process application

SEAT TIGHTNESS

  • 95%

MATERIALS

  • Carbon Steel
  • Austenitic & Martensitic Stainless Steels
  • Duplex & Super-duplex Alloys
  • Alloy 254 (6Mo)
  • Alloy 400
  • Alloys B & C
  • Alloy 625 & 825

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