- Not explosion-proof valve to prevent dangerous vacuums in tank installations.
- For installation on tank roofs, if desired by the customer, in connection with a pressure valve.
- In case of use in explosive atmospheres of gas/vapour-air mixtures ignition hazards need to be considered.
- Plastic material tends to electrostatic charging.
- The use should be completed respectively decided by a risk analysis considering countryspecific rules and regulations.