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Class 138/27 - Freeze protecting


Subclass of Class 138 - Pipes and tubular conduits
Definition: Devices intended to prevent the bursting of the pipe when
No. of applications: 1
Last issue date: 11/16/2006


Application No.Application TitleIssue Date
20060254648Freeze-resistant metering valve
The invention relates to a freeze-resistant metering valve that comprises a magnetic part and a hydraulic part. The magnetic part has an armature biased by a spring. The hydraulic part has an annular space for receiving and conveying a liquid as well as a tappet facing ... 		11/16/2006
 
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