Product Selection
Operating pressures and temperatures for cast iron GG 25, GGG 40 and cast steel valves - type sheet 1300.1301
DIN 2401 - page 2 - excerpt |
| material of the pressure component | operating temperature °C ³) | PN 6 DN 15-200 | PN 16 DN 15-500 | PN 25 DN 15-500 | PN 40 DN 15-500 |
|---|---|---|---|---|---|
| permissible operating pressure ¹) bar | |||||
| GG 25 (cast iron 25) / EN-GJL-250 / EN-JL 1040 | 20 | 6 | 16 | ||
| 200 | 5 | 13 | |||
| 300 | 5 | 13 | |||
| GGG 40 ⁴) / (cast iron 40) / EN-GJS-400-15 / EN-JS 1030 | 20 | 16 | 25 | ||
| 200 | 13 | 20 | |||
| 300 | 13 | 16 | |||
| 350 | 10 ²) | 15 ²) | |||
| GS-C25 ⁴) / (cast steel C25) GP240GH / 1.0619+N | 20 | 25 | 40 | ||
| 200 | 22 | 35 | |||
| 300 | 17 | 28 | |||
| 400 | 13 | 21 | |||
| ¹) The permissable operating pressure effective for 20° C can be used in the temperature range from -10° C up to +120° C. ²) not included on page 2 of DIN 2401 ³) Valves with innervalves of copper alloys only up to 225° C ⁴) For valves, which shall be applied for over 300° C, expansion screws are required for the flange connection with the pipeline. | |||||
For special areas the corresponding regulations must be followed!
We reserve the right to alter technical data.
Product search
- Product Selection
- Hose diaphragm valves
- Hose pinch valves
- Diaphragm valves
- Stop and control valves
- Solenoid valves
- Non-return and swing check valves
- Strainer
- Float valves and floats
- Gate valves
- Ball valves and plug valves
- Safety valves
- Pressure reducing valves
- Butterfly valves
- Pressure gauges
- Actuators
- Valve accessories
- Product search
