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LESER GmbH
High PerformanceType 441 442 DIN
Full lift safety valve with rolled-in seat , DIN flange connections
Components & Design
Component data being added…
Technical Data
Set pressure(according to CE)
0,1 – 40 bar | 1,5 – 580 psig
Set pressure (according to ASME)
1 – 40 bar | 15 – 580 psig
Temperature(according to CE)
-270 – 450 °C | -454 – 842 °F
Temperature(according to ASME)
-268 – 538 °C | -450 – 1.000 °F
Connections DIN EN 1092
DN 20 to DN 400
Connections ASME B16.5
NPS 3/4 to NPS 16
Flange class Inlet DIN EN 1092
PN 10 - PN 40
Flange class Inlet ASME B16.5
Class 150 - Class 300
Body material
0.6025, 0.7043, 1.0619, 1.4408 | Gr. 60-40-18, SA 216 WCB, SA 351 CF8M
Narrowest flow diameter d₀
18 - 295 mm | 0.71 - 11.61 in
Narrowest flow area A₀
254 - 6.8347 mm² | 0.394 - 105.938 in²
Bellows material
Stainless steel and elastomer
source url
https://www.leser.com/en/products/high-performance/type-441-442-din/
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Equipment Model #159184
· ✓ still in production
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Actuation Valve & Control Ltd · United KingdomAlfa Laval Aalborg Oy · DenmarkJ A Moody LLC · United StatesShiptec AG · SwitzerlandTMS - Hamburg Technical Marine Ser · GermanyValve Center Limited · Vereinigtes Koenigreich
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