Vacuum Controllers

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450 Series Vacuum Controller Price: $1,300.00 Vacuum control; automatic; brass standard; stainless available; backlit LED	Momentary On/Off Foot Switch w/IEC connections Price: $157.00 Momentary On/Off Foot Switch w/IEC connections, 90-230V, 50/60Hz	Pump Mount Vacuum Regulator 1421 Price: $223.00 Easy regulation of vacuum levels from 0 - 30" for Welch Pump model 8890
Pump Mount Vacuum Regulator 1421- D Price: $285.00 Easy regulation of vacuum levels from 0 - 30" for Welch Pump models 2022, 2030, 2015, 2017, 2010, 2021, 2031,	TPW 450C Vacuum Controller Price: $1,300.00 Used to control vacuum from 0 to 760torr using a pwm modulated proportional valve in series with the vacuum pump. Available in brass or stainless steel. Widely used in pharmaceutical indrustry to control vacuum in evaporator flasks and similar application

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