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LESER GmbH

Modulate ActionType 431, 433

Standard Safety valves with rolled-in seat , DIN and ASME flange connections

Components & Design

Component data being added…

Technical Data

Set pressure (according to CE) 0,2 – 40 bar | 2,9 – 580 psig

Temperature (according to CE) -270 to 450 °C | -454 to 842 °F

Connections DIN EN 1092 DN 15 - DN 150

Connections ASME B16.5 NPS 1/2 - NPS 6

Flange class Inlet DIN EN 1092 PN 16 - 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 12 - 92 mm | 0.47 - 3.62 in

Narrowest flow area A₀ 113 – 6.648 mm² | 0,175 – 10,304 in²

Bellows material (optional) Stainless steel and elastomer

pdf Flange thickness is smaller (max 2 mm), see “Multiple pressure rating”

pdf Flange drilling as specified in standard Flange thickness may be less than the flange outer diameter as specified

pdf Body material is certified acc to 3.1 (EN 10204) for the following materials

pdf Body material 0.6025 (cast iron)

pdf Standard flange class For other flange drillings, refer to page 18.

pdf Approval-No 072020111Z0008/0/06

pdf Height (H4) Standard H max 307

pdf PN 40 acc to DIN EN 1092 in µm

pdf pressure in systems with multiple safety valves

pdf the nanometer range valve on site.

pdf nozzles can be stellited by weld cladding Stellite is a cobalt- with highly stressed sealing surfaces

pdf seal manufacturer LESER assumes no guarantee.

pdf rules and regulations and standards Through a special design,

pdf Type DIN EN 60947-5-6 (NAMUR) The indicators are approved for

source url https://www.leser.com/en/products/modulate-action/type-431-433/

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Equipment Model #159194 · ✓ 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 +6 more

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