Specifications:
| Size | DN50—DN1000 |
| Nominal Pressure | PN10/PN16 |
| Working Temperature | -10°C~120°C |
| Suitable Medium | Chemicals,air,water,steam,oil,acids,salts,etc |
| Standards: | |
| Design standard | DIN3352 F4/F5, AWWA C509/515,BS5163 |
| Face to Face | DIN3202 F4/F5, BS5163 |
| Flange Drilling | DIN2533 PN10/PN16, ANSI125/150,JIS10K |
| Test Inspection | DIN3230, BS6755，API598 |
| Materials: | |
| Body | Cast Iron, Ductile Iron |
| Disc | Ductile Iron |
| Stem | Stainless steel |
| Sealing Ring | NBR, EPDM |
| O ring | NBR,EPDM |
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