Safety Relief Valve

At Flowlink Valves & Controls, we offer Nirmal Safety relief valves, model SR-08 screwed or flanged safety relief valves are designed and manufactured in compliance with ASME Section VIII, API 520/527 and AS1271 standards. Developed in close collaboration with plant engineers and service specialists, these valves feature an optimized design with fewer components, reducing downtime, spare parts inventory, and maintenance costs. This streamlined design ensures reliable overpressure protection and increased efficiency in a wide range of applications for thermal and pressure relief of liquids, gases and steam.

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Technical Specifications

Valve size
½” (DN15) – 1.5” (DN40)

Pressure Rating
150# to 2500#

End connection
Flanged & Screwed

Maximum set pressure
420 barg

Codes and standards

  • ASME section II-materials
  • ASME Section VIII DIV 1, UV, NB, IBR
  • ASME B16.5
  • API 520
  • API 521
  • API 526
  • API 527
  • AS1271
  • NACE MR 0175 *
  • PED 97/23/EC (CE marking)
  • IBR 1950*

Body Materials

    • Carbon Steel
    • Stainless Steel
    • Cr Mo Steel
    • Low temperature Steel
    • Nickel Copper Alloy
    • Alloy 20

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