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product page - LESER Modulate Action pressure relief valves

MODULATE ACTION

Pressure relief valves for low pressure dynamics

LESER Modulate Action pressure relief valves
  • Low media loss when opening

  • Ideal for thermal expansion

  • Wide range of options available

  • Constant back pressures up to 40 bar / 580 psig

  • Excellent price-performance ratio

  • LESER Nanotightness: Exceeds the tightness requirements of API 527 by 50%

Industries

Approvals

Modulate Action LESER pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:

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EAC logo

Valve Types

Type 431 / 433 >

Medium capacities with a large proportional opening range

DN 15 - DN 150 (1/2" - 6")

Type 431 / 433 PN 160 >

High proportional opening area and high pressure

DN 15 - (1/2" - )

Technical Specifications for Modulate Action

Nominal Diameter at Inlet

DN 15 - DN 150 | 1/2" - 6"

Actual Orifice Diameter d₀

12 mm - 92 mm | 0.47 in - 3.62 in

Actual Orifice Area A₀

113 mm² - 6648 mm² | 0.175 in² - 10.3 in²

Pressure

0.2 bar - 160 bar | 2.9 psig - 2320.6 psig

Temperature (in accordance with DIN EN)

-270 °C to 450 °C | -454 °F to 842 °F

Body Material

0.6025, 0.7043, 1.0619, 1.4408

Valve Connection

Flange in accordance with DIN EN 1092 or ASME B 16.5

Bellows Material (optional)

Stainless steel

Load Type

Spring-loaded

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Downloads

Access all the necessary documents and detailed information for pressure relief valves in our download area.

LESER Modulate action catalogue
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