PY Face

PY Face Tachometer diagram

is a 2.0" flange with (4) bolts located in a 3.978" circle. It is used for mounting solid shaft, coupled 5PY style DC tachogenerators using flange adapters. Avtron M925 digital encoders fit PY face mount. An adapter is available to fit M3 and M4 to PY faces as well.
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