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product page - LESER type 449 critical service pressure relief valves

CRITICAL SERVICE

TYPE 449

LESER type 449 critical service pressure relief valve

Industries

Approvals

Type 449 LESER Critical Service pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:

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Technical Specifications for Type 449

Nominal Diameter at Inlet

DN 25 - DN 100 | 1" - 4"

Actual Orifice Diameter d₀

23 - 92 mm | 0.91 - 3.62 in

Actual Orifice Area A₀

416 - 6648 mm² | 0.645 - 10.304 in²

Pressure

0.1 - 16 bar | 1.45 - 232 psig

Flange Rating Inlet

-270 to 450 °C | -121 to 392 °F

Temperature (in accordance with DIN EN)

Acc. to customer preference all materials available

Body Material

Stainless steel

Valve Connection

Flange acc. to DIN EN 1092-1 or acc. to ASME B 16.5

Bellows Material (optional)

PTFE

Load Type

Spring loaded

Approvals

On request

Specials

Currently no approvals acc. to ASME

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Downloads

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

LESER critical service product catalogue
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CONTACT LESER UK

For ALL LESER Safety Valve enquiries In the United Kingdom - Contact LESER UK​

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