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LESER GmbH
Compact PerformanceType 437
Safety valves for protection of small capacities.
Components & Design
Component data being added…
Technical Data
Set pressure (according to ASME)
1 – 365 bar | 15 – 5.294 psig
Set pressure (according to CE)
0.1 - 365 bar | 1.5 - 5,294 psig
Temperature(according to ASME)
-268 – 400 °C | -450 – 752 °F
Temperature (according to CE)
-270 – 400 °C | -454 – 752 °F
Connections DIN EN 1092
G 3/8 – G 1 | R 3/8 – R 1 | DN 15 – DN 25
Connections ASME B16.5
NPT 1/2 – NPT 1 | NPS 1/2 – NPS 1
Flange class Inlet DIN EN 1092
PN 40 - PN 400
Flange class Inlet ASME B16.5
Class 150 - Class 2500
Body material
1.4104, 1.4404 | SA 479 430, SA 479 316L
Narrowest flow diameter d₀
6 - 10 mm | 0.236 - 0.394 in
Narrowest flow area A₀
28.3 - 78.5 mm² | 0.044 - 0.122 in²
source url
https://www.leser.com/en/products/compact-performance/type-437/
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Equipment Model #159158
· ✓ 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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