Description
VMECA Mini Pumps are lightweight and compact but features extreme strength while conserving energy and air. The Mini Pumps’ condensed size enables it to be placed in dense and tight environment but still be able to provide the optimal power the machines need.
Build a Model #
1. Basic Model
| Symbol |
Description |
| VTM20 |
Mini vacuum pump, VTM20 series |
2. Body Type
| Symbol |
Description |
| B |
G1/8 air supply port, G3/8 vacuum port, internal silencer |
| BA |
G1/8 air supply port, G3/8 vacuum port, internal silencer, Aluminum body |
| C |
G1/8 air supply port, G3/8 vacuum port, External silencer |
3. Air Control Valve
| Symbol |
Description |
| Blank |
No air control valve |
| A1 |
Air control valve, AC110V |
| A2 |
Air control valve, AC220V |
| A3 |
Air control valve, DC24V |
| |
☛ A-Body type is not available with air control valve option. |
4. Valve Terminal
| Symbol |
Description |
| DN |
Solenoid terminal, DIN type, No lead wire |
| DL |
Solenoid terminal, DIN type, No lead wire, Lamp |
| CL |
Solenoid terminal, Connector type, 30 cm lead wire |
| |
☛ “CL” option is only available with DC24V. |
5. Vacuum Switch & Quick Release
| Symbol |
Description |
| Blank |
No vacuum switch and Quick release |
| C |
LED vacuum switch, No analog supply, M8-3-pins connector, NPN |
| PC |
LED vacuum switch, No analog supply, M8-3-pins connector, PNP |
| Q1 |
Quick release, 12 cm³ Air tank |
| Q2 |
Quick release, 30 cm³ Air tank |
6. Sealing Materail
| Symbol |
Description |
| Blank |
NBR sealing material |
| V |
Viton sealing material |
| E |
EPDM sealing material |
Specifications
1. General Specifications
| Max Vacuum Level |
-85 kPa |
| Open Vacuum Flow |
149 Nl/min |
| Feed Pressure |
5.5 bar (Max 7 bar) |
| Air Consumption |
84 Nl/min @ 5.5 bar |
| Temperature |
-20 ~ 80 ℃ |
| Weight – Basic Pump |
42.6 g |
2. Vacuum Flow
| Max Vacuum |
Feed Pressure |
Vacuum Flow (Nl/min) at different vacuum level (-kPa) |
| -kPa |
bar |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
| 85 |
5.5 |
149 |
99 |
62 |
54 |
40 |
32 |
22 |
10.5 |
2.7 |
– |
3. Evacuation Time
| Feed Pressure |
Air Consumption |
Evacuation time in sec per liter to reach different vacuum level (-kPa) |
| bar |
Nl/min |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
| 5.5 |
42 |
0.054 |
0.139 |
0.25 |
0.394 |
0.589 |
0.86 |
1.317 |
2.579 |
– |
Order Numbers
Basic Vacuum Pumps & Spare Parts
| Part Number |
Description |
| VTM20-B |
VTM20-mini pump, B-conn, G1/8 air, G3/8 vac, int silencer |
| VTM20-BA |
VTM20-mini pump, B-conn, G1/8 air, G3/8 vac, int silencer, Al-plate |
| VTM20-C |
VTM20-mini pump, C-conn, G1/8 air, G3/8 vac, ext silencer |
| VTS-38 |
Free flow silencer, G3/8″ |
| 15A1021 |
NBR sealing kit, VTM20 |
| 15A1022 |
Viton sealing kit, VTM20 |
| 15A1023 |
EPDM sealing kit, VTM20 |
