Ametek Lamb 240V 2-Stage 8.4" Bypass Tangential Vacuum Motor #122177-00The Ametek Lamb 122177 00 is a 240 volt, 2 stage bypass tangential discharge vacuum motor with an 8. 4" fan diameter a heavy duty unit built for high performance vacuum systems that demand consistent suction and reliable runtime. 240 volt, 2 stage design delivers strong, sustained airflow for demanding vacuum applications 8. 4" bypass tangential configuration channels motor cooling air separately from the suction stream, protecting the motor from