This list is only meant as a guideline and does not replace our professional advice. The calculation is without guarantee. Contact us directly if you are looking for a product for a specific application or special connection or fill-in the Product enquiry form.
Application
Function
Series 451: Safety valves made of stainless steel
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
 | -60°C to + 400°C (depending on version) | 0,5-70 bar |    | Threaded: 1/2"- 2" |
Series 681: Pressure reducing valve with threaded connections
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
 | - 20°C to + 120°C | Inlet pressure: up to 30 bar Outlet pressure: 0,5 to 15 bar (depending on version) |     | Threaded: 1/2" - 2" |
Series 420: Small safety valves with TÜV approval
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
 | -40°C to + 260°C (depending on version) | 0,5 - 50 bar (depending on version) |    | Threaded: 1/4" - 3/8" |
Series 412: Safety valve with a set pressure up to 40 bar
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 60°C to + 225°C (depending on version) | 0,2 - 50 bar (depending on version) | Threaded: 1/2" - 2" |
Series 682: Pressure reducing valve with flange connections
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 20°C to + 120°C | Inlet pressure: up to 40 bar Outlet pressure: 0,5 to 15 bar (depending on version) | | Flange: DN 15 to DN 100 |
Series 451bG: Safety valve for boilers
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 60°C to + 400°C (depending on version) | 0,5 - 70 bar | Threaded: 1/2" - 2" |
Series 482: Pressure reducing valve made of stainless steel
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
 | - 20°C to + 120°C | Inlet pressure: up to 40 bar Outlet pressure: 0,5 to 15 bar (depending on version) | | Flange: DN 15 to DN 100 |
Series 851bH: Valve with bellows with threaded connections
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 10°C to + 120°C | 0,5 - 25 bar | Threaded: 1/2" - 2" |
Series 628: Pressure relief valve made of gunmetal
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 60°C to + 225°C (depending on version) | 0,2 - 20 bar |  | Threaded: 3/8" - 2" |
Series 481: Pressure reducing valve for domestic water supply systems
| Material | Temperature | Pressure | Medium | Connection |
|---|---|---|---|---|
| - 20°C to + 120°C | Inlet pressure: up to 40 bar Outlet pressure: 0,5 to 15 bar (depending on version) | | Threaded: 1/2" - 2" |