| Scope of Application |
Applicable Medium |
Steam system, natural gas, toxic waste gas purification, vacuum device, hot oil system, heating equipment, refrigeration system, ammonia, hot water, power station, etc |
| Applicable temperature |
-20——350℃ |
| Adopting standards |
Manufacturing standard: DIN3356 |
Inspection and testing standard: DIN3230 |
| Structural length standard: DIN3202 |
Welding standard: DIN3239 |
| Flange standard: DIN2543-2545 |
|
| Material |
|
Valve body |
Valve cover |
Valve stem |
Valve disc |
Sealing surface |
Packing material |
| WCB |
WCB |
WCB |
13Gr |
2Gr |
2Gr |
flexible graphite |
| three hundred and four |
CF8 |
CF8 |
three hundred and four |
three hundred and four |
three hundred and four |
flexible graphite |
| three hundred and sixteen |
CF8M |
CF8M |
three hundred and sixteen |
three hundred and sixteen |
three hundred and sixteen |
flexible graphite |
| 304L |
CF3 |
CF3 |
three hundred and sixteen |
304L |
304L |
flexible graphite |
| 316L |
CF3 |
CF3 |
three hundred and sixteen |
316L |
316L |
flexible graphite |
| Characteristics |
spindle with bellow seal |
Double layer and triple layer corrugated pipes |
Double sealing |
| non-rising hwheel |
Position indication |
Easy maintenance |