OceanSphere
Engines
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 9 verified suppliers & service companies for LESER GmbH in the Maritime Network Find suppliers →
Is LESER GmbH your company? Claim this page
LESER GmbH

High PerformanceType 441, 442 Full nozzle DIN

Full lift safety valve with Nozzle, DIN flange connections

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 25 to DN 50
Connections ASME B16.5 NPS 1 to NPS 2
Flange class Inlet DIN EN 1092 PN 10 - PN 40
Flange class Inlet ASME B16.5 Class 150
Body material 1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M
Narrowest flow diameter d₀ 23 - 46 mm | 0.91 - 1.81 in
Narrowest flow area A₀ 416 - 1.662 mm² | 0.644 - 2.576 in²
Bellows material Stainless steel and elastomer
Source url https://www.leser.com/en/products/high-performance/type-441-442-full-nozzle-din/

Related equipment 10

LESER GmbH 459 HDD系列 - 莱斯安全阀 same series LESER GmbH 462 HDD系列 | 莱斯安全阀 same series LESER GmbH 462系列 | 莱斯安全阀 same series LESER GmbH API | LESER - The Safety Valve same series LESER GmbH APIType 526 same series LESER GmbH APIType 526 CC same series LESER GmbH APIType 526 IC same series LESER GmbH Best Availability - Bursting disc same series LESER GmbH Best Availability - Change-over valves same series LESER GmbH Best Availability - Changement de soupape s et disque de ruptures | LESER same series

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for LESER GmbH?
200,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #159186 · ✓ still in production

Need spare parts for this model?

We know 12+ companies supplying LESER GmbH & Co. KG HIGHPERFORMANCETYPE441,442FULLNOZZLEDIN. Tell us what you need — we obtain the quotations for you.

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
Request spare parts for LESER GmbH High PerformanceType 441, 442 Full nozzle DIN → Find suppliers & service for LESER GmbH →
Maritime Network
Find suppliers and repair yards worldwide

Contact details, brands served and yard capabilities in one directory.

maritimenetwork.io →
Your advert here
Reach engineers searching for exactly your brand

Book a brand slot and appear on every model page of that make.

Enquire →

Do you know this equipment?

This database is free to use and grows with the people who work with this equipment on board and in the workshop. A photograph or a corrected figure helps everyone looking up the same machine.

How this works →

Sign in or register free of charge, to contribute a photograph or correct a figure.

No account and no wish for one? Send it to us by e-mail — the equipment and the licence question are already filled in.