Design
Flanged or weld end non-return valve, check disc with closing spring; seats made of wear and corrosion resistant Cr steel or CrNi steel.
Application
In industrial plants, building services, power stations and shipbuilding. For water, steam, gas and other non-aggressive fluids. Other fluids on request.
Overview of technical data
| Body design |
Straight pattern body |
| Dimension standard |
EN 12982/ 64;EN 558-1/1 ISO 5752/1 |
| Valve disc/plug material |
Metal- to-metal seat |
| Threaded-end design |
Flange design; butt weld end design;Socket weld end |
| Body material (EN standard) |
1. 0619+N;1.0460 |
| DN max. |
300 |
| DN min. |
10 |
| eClass assignment |
01000001; 37010801 |
| Main applications |
Industry and process engineering; Energy;Building services;Shipping / Shipbuilding |
| Body material |
Forged steel; Cast steel |
| PN max. |
40 |
| Maximum temperature |
450 °C |
| Minimum temperature |
10- °C |
| Body/bonnet seal element |
Internally and externally confined seal |