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LESER Product Overview

Click on one of the
valves for details

Advantages

  • Pilot Operated Safety Valve:
  • Piping between the pilot and main valves is integrated into the cover to prevent damage and freezing
  • Integrated Backflow Preventer as standard part
  • Four week delivery time from the factory
  • Higher capacity than comparable size with extra orifices
  • 20% less installation space than competitors' comparable models
  • Supplementary Loading System:
  • Higher operating pressures are possible
  • Closing pressure difference of up to -3 %; opening process is independent of back pressure
  • Functional test and valve adjustment possible during operation
  • Overpressure tolerance at a minimum of 1% with Pop Action

Technical Specifications

Nominal Diameter at Inlet DN 25 - DN 200 | 1" - 8"
Orifice 1 D 2 to 8 T+ 10 | 1 D 2 to 8 T+ 10
Actual Orifice Diameter d0 11 mm - 180 mm | 0.433 in - 7.087 in
Actual Orifice Area A0 95 mm² - 25,446.9 mm² | 0,147 in² - 39.443 in²
Pressure 2,5 bar - 426 bar | 36 psig - 6170 psig
Temperature (iaw DIN EN) -45 °C to 200 °C | -49°F to 392°F
Body Material 1.0619, 1.4408 | SA 352 LCB, SA 216 WCB, SA 351 CF8M
Valve Connection Flange in accordance with DIN EN 1092, ASME B 16.5 or JIS 2220
Load Type Medium Controlled

Approvals

Industries

  • Oil and Gas Industry
  • Chemical Industry
  • Petrochemical Industry
  • Power
  • Technical Gases

Valve Types

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