Valve is mainly used for pipeline flow, control, cut off the role of the media. Different materials of the valve and different seals can bear the temperature is not the same, which means that the valve material and seal determine the medium of use of this section of the valve.
Below, we will introduce the temperature range of the valve according to the characteristics of the materials and seals.
| Valve Material | Max. Temperature |
| Stainless Steel | 500℃ |
| Brass | 260℃ |
| Plastic | 80℃ |
| Cast Iron | 250℃ |
| Seal |
Max. Temperature |
| NBR | 80℃ |
| EPDM | 100℃ |
| VITON | 120℃ |
| PTFE | 180℃ |
As shown in the table above:
1. When the media temperature is below 80 °C, we will recommend the use of a plastic valve body and with the NBR seals and this is the most cost-effective solution for this situation. Such as water, oxygen, air, drinking water, milk, alcohol and another medium of normal temperature. Of course, we can also use other materials and seals according to your request.
2. Brass, stainless steel, or cast iron with EPDM, Viton, PTFE seals are recommended when the medium temperature is above 80 °C. PTFE is generally recommended because PTFE is used in a wide range of media such as seawater, wastewater, acid, Alkali, etc. Meanwhile, we will help you to select the right materials and seals basic on your requirements.
If you have any demand for actuator and valve currently, feel free to contact us your project needs such as media temperature, pressure, and so on, we will recommend the most suitable valve and provide you with the most cost-effective valve solution.
Post time: Nov-25-2021