Description

VMECA PML Pumps can be modified to specific needs to be utilized in many applications where high vacuum flow is required.

Build a Model #


1. Basic Model

Symbol Description
PML303X3 PML pump, “L” type 3-stage, 3-vacuum cartridge, Silencer

2. Body Type

Symbol Description
A Ported 1-vacuum port on side
B Ported 2-vacuum port on side and top
  ☛ Option “B” is available only with G3/4 vacuum port.

3. Vacuum Port 

Symbol Description
34 Vacuum port G3/4
01 Vacuum port G1

4. Mounting Bracket

Symbol Description
Blank No mounting bracket
B1 4-point support
B2 2-point support

5. Air Saving Kit

Symbol Description
Blank No air saving kit
ASV Air saving kit integrated with air control valve
AS Air saving kit without air control valve

6. Air Control Valve

Symbol Description
Blank No air control valve
A1 Air control valve, AC 110V
A2 Air control valve, AC 220V
A3 Air control valve, DC 24V
D1 Double solenoid, Air control valve, AC 110V
D2 Double solenoid, Air control valve, AC 220V
D3 Double solenoid, Air control valve, DC 24V
  ☛ Double solenoid valve is available only with DN or DL valve terminal option.

7. Vacuum Release Valve

Symbol Description
Blank No vacuum release control valve
R1 Vacuum release control valve, AC 110V
R2 Vacuum release control valve, AC 220V
R3 Vacuum release control valve, DC 24V

8. Valve Solenoid Terminal 

Symbol Description
Blank No air & vacuum release control valves
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
  ☛ Option “CL” is available only with DC 24V.
2B Solenoid terminal, DIN, 2-in-1 BUS cable
3B Solenoid terminal, DIN, 2-in-1 BUS cable
4B Solenoid terminal, DIN, 2-in-1 BUS cable
  ☛ Option “2B” and “3B” are not available with a Double solenoid valve.
  ☛ Option “3B” and “4B” are available only with DC 24V and S2 or S2P vacuum switch.

9. Vacuum Switch

Symbol Description
Blank No vacuum switch
S2 Digital switch, No analog supply, M8-4-pin, NPN
S2P Digital switch, No analog supply, M8-4-pin, PNP
SG2 Digital switch, No analog supply, 2 m lead wire, NPN
SG2P Digital switch, No analog supply, 2 m lead wire, PNP
SG3 Digital switch, Analog supply, 2 m lead wire, NPN
SG3P Digital switch, Analog supply, 2 m lead wire, PNP

10. Non-Return Valve

Symbol Description
Blank No non-return valve
N Non-return valve
  ☛ The pump with air saving kit option does not require a non-return valve option.

11. Sealing Material

Symbol Description
Blank NBR sealing material
V Viton sealing material
E EPDM sealing material

Specifications

1. General Specifications

Max Vacuum Level -75 kPa
Open Vacuum Flow 1,086 Nl/min
Feed Pressure 4 ~ 6 bar (Max 7 bar)
Temperature -20 ~ 80 ℃
Noise Level 50 ~ 60 dB
Weight – Basic Pump 1,519 g

2. Vacuum Flow

Max Vacuum Level Feed Pressure Vacuum Flow (Nl/min) at different vacuum level (-kPa)
-kPa bar 0 10 20 30 40 50 60 70 80 90
75 6 1086 621 462 300 156 114 96 66
70 5 1032 588 390 246 150 113 69 34
60 4 906 516 330 210 138 84 20

3. Evacuate Time

Feed Pressure Air Consumption Evacuation time in seconds per liter to reach different vacuum level (-kPa)
bar Nl/min 10 20 30 40 50 60 70 80 90
6 312 0.0079 0.020 0.04 0.06 0.09 0.12 0.20
5 255 0.0085 0.028 0.05 0.08 0.10 0.13 0.26
4 210 0.0160 0.030 0.05 0.09 0.12 0.26

Dimensions

PML303X3-A: Basic Pump
Unit: mm

No Description
1 Compressed-Air Port, G1/4″
1-1 Vacuum Release Port, G1/8″
2 Vacuum Port, G3/4″ or G1″
3 Exhaust Port
B1 Mounting Bracket, Type B1
B2 Mounting Bracket, Type B2

 

PML303X3-A: Basic Pump with accessories
Unit: mm

No Description
1 Compressed-Air Port, G1/4″
1-1 Vacuum Release Port, G1/8″
2 Vacuum Port, G3/4″ or G1″
3 Exhaust Port
4-1 Compressed-Air Control Valve
4-2 Vacuum Release Control Valve
5 Vacuum Switch
B1 Mounting Bracket, Type B1
B2 Mounting Bracket, Type B2

 

PML303X3-B: Basic Pump
Unit: mm

No Description
1 Compressed-Air Port, G1/4″
1-1 Vacuum Release Port, G1/8″
2 Vacuum Port, G3/4″
3 Exhaust Port
4-1 Compressed-Air Control Valve
4-2 Vacuum Release Control Valve
5 Vacuum Switch
B1 Mounting Bracket, Type B1
B2 Mounting Bracket, Type B2

 

PML303X3-B: Basic Pump with accessories
Unit: mm

No Description
1 Compressed-Air Port, G1/4″
1-1 Vacuum Release Port, G1/8″
2 Vacuum Port, G3/4″ or G1″
3 Exhaust Port
4-1 Compressed-Air Control Valve
4-2 Vacuum Release Control Valve
5 Vacuum Switch
B1 Mounting Bracket, Type B1
B2 Mounting Bracket, Type B2

Order Numbers

1. Basic Vacuum Pump

Part Number Description
PML303X3-A-34 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on side
PML303X3-A-34-B1 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on side, 4-point bracket
PML303X3-A-34-B2 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on side, 2-point bracket
PML303X3-A-01 PML pump, “L” type 3-stage, 3-cartridge, G1 vacuum port on side
PML303X3-A-01-B1 PML pump, “L” type 3-stage, 3-cartridge, G1 vacuum port on side, 4-point bracket
PML303X3-A-01-B2 PML pump, “L” type 3-stage, 3-cartridge, G1 vacuum port on side, 2-point bracket
PML303X3-B-34 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on top & side
PML303X3-B-34-B1 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on top & side, 4-point bracket
PML303X3-B-34-B2 PML pump, “L” type 3-stage, 3-cartridge, G3/4 vacuum port on top & side, 2-point bracket

2. Air Control Valve

Part Number Description
VMS14-3-1 2/2-way valve, G1/4 Female, DC 24V, DIN type
VMS14-3-2 2/2-way valve, G1/4 Female, DC 24V, DIN type, Lamp
VMS14-3-3 2/2-way valve, G1/4 Female, DC 24V, Conn. type, 30 cm lead wire & Lamp
VMS14-2-1 2/2-way valve, G1/4 Female, DC 220V, DIN type
VMS14-2-2 2/2-way valve, G1/4 Female, DC 220V, DIN type, Lamp
VMS14-1-1 2/2-way valve, G1/4 Female, DC 110V, DIN type
VMS14-1-2 2/2-way valve, G1/4 Female, DC 110V, DIN type, Lamp
VMS14D-3-1 2/2-way double sol valve, G3/8 In, G1/4 Out, DC 24V, DIN type
VMS14D-3-2 2/2-way double sol valve, G3/8 In, G1/4 Out, DC 24V, DIN type, Lamp
VMS14D-2-1 2/2-way double sol valve, G3/8 In, G1/4 Out, AC 220V, DIN type
VMS14D-2-2 2/2-way double sol valve, G3/8 In, G1/4 Out, AC 220V, DIN type, Lamp
VMS14D-1-1 2/2-way double sol valve, G3/8 In, G1/4 Out, AC 110V, DIN type
VMS14D-1-2 2/2-way double sol valve, G3/8 In, G1/4 Out, AC 110V, DIN type, Lamp

3. Vacuum Switch

Part Number Description
VP20V-01-F1-C Digital switch, No analog supply, M8-4-pin connector, NPN (S2)
VP20V-03-F1-C Digital switch, No analog supply, M8-4-pin connector, PNP (S2P)
VP20V-01-F1 Digital switch, No analog supply, 2 m lead wire, NPN (SG2)
VP20V-03-F1 Digital switch, No analog supply, 2 m lead wire, PNP (SG2P)
VP20V-01-F1-A Digital switch, Analog supply, 2 m lead wire, NPN (SG3)
VP20V-03-F1-A Digital switch, Analog supply, 2 m lead wire, PNP (SG3P)

4. Vacuum Cartridge

Part Number Description
VCL303 Midi vacuum cartridge, “L” type 3-stage
VCL303-N Midi vacuum cartridge, “L” type 3-stage, Non-return valve ☛ Pump with air saving kit

5. Other Parts

Part Number Description
VTS-34 Free-flow silencer, G3/4
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Downloads

Catalog & CAD files
CAD 2D File
PML303X3A-01
PML303X3A-01-B1
PML303X3A-01-B2
PML303X3A-34
PML303X3A-34-B1
PML303X3A-34-B2
PML303X3B-34
PML303X3B-34-B1
PML303X3B-34-B2
CAD 3D File
PML303X3A-01
PML303X3A-01-B1
PML303X3A-01-B2
PML303X3A-34
PML303X3A-34-B1
PML303X3A-34-B2
PML303X3B-34
PML303X3B-34-B1
PML303X3B-34-B2
Catalog
PML303X3

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