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product page - high performance pressure relief valves

HIGH PERFORMANCE

TYPE 441, 442 ANSI

LESER High Performance pressure relief valves

Industries

Approvals

Type 441, 442 ANSI LESER High Performance pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:

ce-mark logo

UV

asme-uv logo
EAC logo

Technical Specifications for Type 441, 442 ANSI

Nominal Diameter Inlet - Thread

DN 25 - DN 100 | 1" - 4"

Nominal Diameter Inlet - Flange

23 - 92 mm | 0.91 - 3.62 in

Actual Orifice Area A₀

416 - 6648 mm² | 0.644 - 10.304 in²

Pressure

0.1 - 51 bar | 1.5 - 740 psig

Flange Rating Inlet

CL150 - CL300 | CL150 - CL300

Temperature (in accordance with DIN EN)

-270 to 450 °C | -454 to 842 °F

Temperature (nach ASME)

-268 to 538 °C | -450 to 1000 °F

Body Mateial

1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M

Valve Connection

Flange acc. to DIN EN 1092-1 or acc. to ASME B 16.5 or acc. to JIS 2220

Bellows Material (optional)

Stainless steel and elastomer

Load Type

Spring loaded

Approvals

PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Section XIII certified for Section VIII Div. 1 service, CRN, AQSIQ, EAC

Classification societies

LR, RINA, DNV GL, BV, ABS

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Downloads

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

LESER high performance pressure relief valves
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