Technical Data; Characteristics; Used Materials; Dimensions - coval GVMAXV2-2 Instructions De Service

DIRECTIONS FOR USE - GVMAXV2-2/V2-2R
v01-19

2. TECHNICAL DATA

OPERATION
Vacuum generation by means of controlled compressed air according to ejector principle and integrat-
ing a vacuum electronic control system.

2.1 CHARACTERISTICS

Suction flow rate
250
200
150
100
50
0
1 2 3
Supply pressure
[relative bars]
Device
vacuum
GVMAXV2-2
GVMAXV2-2R
* In the case of a sealed vacuum network

2.2 USED MATERIALS

ƒ Body base: Aluminium (AU 4 PB)
ƒ Valve body: POM (black polyacetal)
ƒ Silencer: Black PC with internal element in felt
ƒ Vacuum switch: PA66, PC, brass, NBR gasket
ƒ Electrical wiring: PA66
ƒ Screw :galvanized steel
ƒ Operation temperature: ambient temperature +10°C à 45°C

2.3 DIMENSIONS

www.coval.com
100
80
60
40
20
0
4 5 6 7
Supply pressure
[relative bars]
Flow rate
Max.
consumption consumption
at 4.5 bar per gripping*
85% 5 Nl/s
228.20
- 25 -
Vacuum
1 2 3 4 5 6 7
Air
Max.
suction Power
20 Nl 200 Nl/min
ƒ Internal parts: Brass ; Aluminium ; Desmopan
ƒ Gaskets: NBR
ƒ Diaphragm: NBR with nylon support
ƒ Vacuum diaphragm valve: PU (Polyurethane)
Flow rate / Negative pressure
250
200
150
100
50
0
20 40 60
Vacuum [%]
Supply pressure Total
mini. in suction weight
4.5 bar rel. 0.550 kg
51.85
UK
80 100