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SPECTACLE BLIND

ClassOfInanimatePhysicalObject

http://data.posccaesar.org/rdl/RDS422324

hasCreationDate2006.06.15
hasCreatoru83130
hasDefinitionAn 'artefact' that consists of two discs with equal thickness and outer diameter connected with a flat bar. One of the discs has a hole, while the other disc is without hole.
hasDesignationSPECTACLE BLIND
hasIdPCARDS422324
hasNoteThe first is installed as a restriction orifice between pipe flanges during normal operation, and the latter when blocking is required.
hasStatusQualified

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