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Installation Instructions for Regulating Valves
2019-07-20

1 Pre-operation preparation 1.1 Before operating the valve, carefully read the operation instructions. 1.2 Before operation, the flow direction of gas must be clear, and the valve opening and closing sign should be checked carefully. 1.3 Check the appearance of the electric valve to see whether the electric valve is damp, if damp, dry treatment; if other problems are found to be dealt with in time, no malfunction operation. 1.4 pairs of electric devices that have been out of service for more than 3 months.

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