Siemens Valve Proving System LDU11 Series
LDU11 is a controller system designed for use with shutoff valves in connection with gas burners and gas appliances. In the event of inadmissible leakage, the system prevents the burner from starting up. The LDU11 system conforms to the requirements of EN 1643 covering automatic shutoff valves for use with gas burners and gas-fired appliances to EN 161, class A and pressure switch to EN 1854.
|LDU 11 Model Series
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