1、 Working principle
When the vacuum gauge displays the set upper limit value, the baffle valve and vacuum pump stop working.
When the vacuum gauge displays the set lower limit value, the baffle valve and vacuum pump continue to operate
twoTechnical parameters

rack truck	Shell size: 600mm (L) × 600mm (W) × 600mm (H) Equipped with 4 sliding wheels Maximum load-bearing capacity: 1000 1b
Voltage/Frequency	220 V / 50-60 HZ
pumping speed	3L /S
Maximum pressure	4 × 10-1 Pa
power	3/4HP 550W
Email volume (ml)	1000
Pirani gauge	The resistance vacuum gauge is installed on a stainless steel flange, with a measurement range of 1× 105~1 ×10-1pa
flange	The material is made of 316 stainless steel, the air outlet joint is a 1/8 'pagoda air nozzle joint, and the exhaust interface is a KF25 interface
corrugated tube	Specification: 1 'dia x 1200mm
flapper valve	High vacuum dedicated stainless steel valve Connection port: Two KF25 interfaces