Leser Pressure Relief Valve to API 526

Product Benefits

  • One design and spring (single trim) for steam, gas and liquid applications reduces the number of spare parts and ensures low-cost maintenance management.
  • One-piece spindle reduces friction which leads to high operation accuracy
  • Self-draining body design, avoids residues and reduces corrosion

Technical Data

  • Design fully in accordance with API 526 for easy interchangeability
  • Complete API 526 range: valve sizes 1″ through 8″, orifice D through T
  • Materials: WCB, WCC, CF8M, WC6, LCB, LCC, and a wide range of special materials to fulfil the requirements of critical applications
  • Special B3 design for high back pressure applications and material requirements far beyond API Standard
  • Fool-proof design with fewer parts for built-in safety
  • Integral cast support brackets for easy handling and safe installation
  • Open or closed bonnet, packed or plain lifting lever or gastight cap
  • Flanged connections according to ASME and DIN guarantee a worldwide applicability
  • Horizontal installation


API safety valves offer ultimate protection against overpressure in all applications for steam, gases and liquids.

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