| DIN connections | DN25–DN200 |
|---|---|
| Orifice designations | D–T |
Pumps, Valves & Fluid Systems
Marine Safety Relief Valves
Review safety-relief valve references using the documented product family and service range.
Serial numbers require manual identification. Send the serial number and a nameplate photo to our team; this is not an online serial-number lookup.
Brands
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Brand references relate to this product category, not confirmed supply agreements. Availability and compatibility require confirmation. Send the exact equipment, model and part details through the enquiry form.
Models
| Brand | Model / Reference | Equipment | Action |
|---|---|---|---|
| LESER | Series | Marine Safety Relief Valves | |
| LESER | Series | Marine Safety Relief Valves | |
| Cla-Val | Lube-oil unloading pressure-relief valve |
Technical Data
Product references Reference data for this product category. Confirm the exact model, configuration and availability when enquiring.
LESER
441 IC
Marine Safety Relief Valves| Brand | LESER |
|---|---|
| Series | High Performance |
| Series / Range | 441 IC |
| Equipment type | Marine Safety Relief Valves |
| Set-pressure range | 0.1–40 barg, ASME data |
| Temperature envelope | −196 to 538 °C |
| DIN connections | DN25–DN200 |
| Inlet pressure classes | PN10–PN40 |
| Orifice designations | D–T |
| Flow diameter | 23–165 mm |
| Nozzle | Full nozzle |
| Applications | Marine/Oil & Gas /Power Plant/Chemical Plant/Industrial Maintenance |
Steam application stated up to 32 barg. Relief sizing and certification depend on the exact configuration; limits are not simultaneous.
Configuration & Matching
| Equipment / product | Marine Safety Relief Valves |
|---|---|
| Applications | Marine/Oil & Gas /Power Plant/Chemical Plant/Industrial Maintenance |
| Matching basis | Model, serial number and installation drawing |
Spare Parts
441 IC only, catalogue April 2023; orifice, material, set pressure, H2/H4 and optional bellows/soft-seat configuration must be verified.Provide the equipment model, a nameplate photo or an existing part number. We will help identify the required parts.
| Component | Enquiry |
|---|---|
| Nozzle | |
| Disc assembly | |
| Guide | |
| Spindle | |
| Split ring | |
| Spring plates | |
| Spring | |
| Gasket | |
| Gasket |