LESER GmbH & Co. KG

LESER GmbH & Co. KG

Wendenstraße 133 20537 Hamburg Germany

Compact Performance safety valves

Compact Performance safety valves

Compact Performance safety valves

Safety valves with compact dimensions and high connection variety

Standard delivery time for all options 14 days. Only a few more complex options have longer delivery times.

  • Flanged and threaded valves with a wide range of options
  • Small installation space with simultaneous horizontal installation option
  • Bellows version available
  • Set pressures up to 850 barg / 12325 psig
  • LESER Nanotightness: Exceeds the tightness requirements of API 527 by 50%

Technical data Compact Perfomance

Nominal Diameter at Inlet

DN 15 - DN 40 | 3/8" - 1 1/2"

Actual Orifice Diameter d₀

6 mm - 17.5 mm | 0.236 in - 0.689 in

Actual Orifice Area A₀

28.3 mm² - 241 mm² | 0.044 in² - 0.374 in²

Pressure

0.1 bar - 850 bar | 1.5 psig - 12.328 psig

Temperature (in accordance with DIN EN)

-270°C to +450°C | -454°F to +842°F

Body Material

1.4104, 1.4404, 0.7043, 1.0619, 1.4408 | SA 479 430, SA 479 316L, Ductile Gr. 60-40-18, SA 216 WCB, SA 351 CF8M

Valve Connection

Threads iaw DIN ISO 228-1, DIN ISO 7-1 / BS 21, ANSI / ASME B1.20.1. / Flange iaw DIN EN 1092-1 / DIN 2501., ASME B16.5

Bellows Material (optional)

Stainless steel, Elastomer (EPDM), Hastelloy, Inconel

Load Type

Spring-loaded

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