Siemens LDU11.523A27 Test Unit 240v
The LDU11... Valve Proving System Is 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 Appliances To EN 161.
The LDU11... and this Data Sheet are intended for use by OEMs which integrate the
valve proving system in their products.
Use
The LDU11... is designed for automatic gas valve proving (leakage test) based on the pressure proving principle.
It is for use on gas-fired combustion plant with or without vent pipe to atmosphere. In the case of plants with no vent pipe where EN standards apply, the notes given in «Connection examples without vent pipe to atmosphere» must be observed. Used in connection with 1 or 2 commercially available pressure switches, valve proving is automatically initiated with every burner startup, either
Customer Reviews
Be the first to enter a review for this product
Log in to leave your review of this product.