Machine coupling components, namely, a locking device unit comprised of a rotating coupler contained within a housing block and a pin, that allows an actuator to turn a valve with insertion of pin, to allow locking or to disallow rotation of automated quarterturn valves

'actuat':25 'allow':23,35 'autom':42 'block':18 'compon':3 'compris':9 'contain':14 'coupl':2 'coupler':13 'devic':7 'disallow':39 'hous':17 'insert':31 'lock':6,36 'machin':1 'name':4 'pin':21,33 'quarterturn':43 'rotat':12,40 'turn':27 'unit':8 'valv':29,44 'within':15

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