Large Vacuum Pumps

Quad Base Vacuum Pumps: Basic

Port Connections
Code	Function	Size
1	Air Supply - Main	3/4
2	Vacuum - Main	2
2A	Vacuum - Alternate	1/8
3	Exhaust	3/4
4	Pilot Signal - Air Control	1/8
5	Pilot Signal - Quick Release	1/8

Basic Pump assembly with air supply bypass plate for control via on/off air supply to the pump base inlet port. Includes air pressure gauge and vacuum gauge.

Q400 (QX640) Weight = 15.66 lbs. (7.1kg)
Subtract .86 lbs. (0.39kg) for "CE" option.
For larger sizes: Add .37 lbs.(0.16kg) per pump module.

NR = Non-Return Valve is installed between the base and the primary ejector cavity and is used to prevent cross flow between two vacuum pumps connected to the same system or to allow NR equiped pump stations to be cycled on/off (PV). A quick release option is specified since the vacuum can no longer dissipate through the ejector nozzle. Do not use NR to trap vacuum in a system where the pumps are off and load holding safety is involved.

Pump Size	"Z"
400	0.76 (19.3)
500-800	1.47 (37.3)
900-1200	2.18(55.3)