Precautions for installing and maintaining safety valves

Precautions for installing and maintaining safety valves:

(1) The newly installed safety valve shall be accompanied by a product certificate, which shall be re-calibrated before installation, sealed and sealed to provide safety valve verification.

(2) The safety valve should be installed vertically and installed at the gas-phase interface of the vessel or pipe.

(3) The outlet of the safety valve should have no resistance and avoid back pressure. If the discharge pipe is installed, its inner diameter should be larger than the outlet diameter of the safety valve. The safety valve outlet should be protected against freezing. It is flammable or toxic and highly toxic. For the container of the medium, the drain pipe should be directly connected to an outdoor safe place or a facility that has been properly disposed of. The self-operated regulating valve drain pipe is not allowed to install any valve.

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