M8M7.5M4 M3M2M1

M Series Vacuum Pump

Skellerup is a leading manufacturer in the New Zealand agricultural industry and has been for over 100 years. We have always been at the forefront of agricultural markets both domestically and internationally. Our strength lies in the extensive range of reliable, durable and quality agricultural products we manufacture and market.

The Skellerup M Vacuum Pump Series is a range of robust rotary vane vacuum pumps that are a work horse in the dairy industry and have been for decades. These pumps are high quality, reliable, and extremely durable products that perform exceptionally well. This brochure outlines the full range of Skellerup M Series Vacuum Pumps and their features.

The Skellerup M Series Vacuum Pump Range

M7.5 SERIES

M7.5 No Lube M7.5 Dripper

M4 SERIES

M4 No Lube M4 Dripper

M8 SERIES

M8 Dripper

M3 SERIES

M3 No Lube M3 Bottle LubeM3 Dripper

M2 SERIES

M2 No Lube M2 Bottle LubeM2 Dripper

M1 SERIES

M1 No Lube M1 Bottle LubeM1 Dripper

High Performance Maximum efficiency (power to air flow)

Extremely Reliable Proven technology

Long Service Life High grade iron casting Kevlar vanes

Compact Design

Double End Shaft

Skellerup M Series Vacuum Pump Features

Skellerup Vacuum Pump Performance at 50Kpa M2

RPM

800 850 900 950

1,000 1,050

Litres/min (free air) 1,100 1,150 1,200 1,250 1,300 1,350 1,400 1,450 1,500 1,550 1,600 1,650 1,700 1,750 1,800

RPM0

500

1,000

1,500

2,000

2,500

3,000

3,500

800 900 1,000 1,100 1,200 1,300 1,400 1,500 1,600 1,700 1,800

litre

s p

er m

inu

te

rpm

M2

M3

M4

M7.5 M8

M1 0.55kW

0.75kW

1.2kW

2.2kW

1.7kW

3.3kW 3.4kW

5.4kW

5.0kW

7.5kW

6.0kW

7.6kW

3.4kW

This graph shows the litres per minute of free air each pump will move at 50kPa

Pump Performance at 50kPa (at sea level)

Choosing a Skellerup M Series Vacuum Pump

Skellerup M1 Vacuum Pump Performance at 50kPa (at sea level)

rpm

0

50

100

150

200

250

300

350

400

1,200 1,300 1,400 1,500 1,600 1,700 1,800

0.75kW M1

0.55kW

M1 Vacuum Pump Series

litre

s/m

in (f

ree

air)

Minimum flow of 255 Ipm drawing 0.55kW of power Maximum flow of 368 Ipm drawing 0.75kW of power

M1 No Lube

M1 Dripper M1 Bottle Lube

rpm

M1 Dripper

Our Preferred Setup

0 mm TO 100 mm BELOW

91 1

26

216

95 95

133 178

8

36

1" NPT

45

125

10.3

111

25

M2 Vacuum Pump Series

M2 No Lube

M2 Dripper M2 Bottle Lube

rpm

0 100 200 300 400 500 600 700 800 900

1,000

900 1,000 1,100 1,200 1,300 1,400 1,500 1,600 1,700 1,800

1.2kW

2.2kW

M2

Skellerup M2 Vacuum Pump Performance at 50kPa (at sea level)

litre

s/m

in (f

ree

air)

Minimum flow of 450 Ipm drawing 1.2kW of power Maximum flow of 900 Ipm drawing 2.2kW of power

rpm

M2 Dripper

Our Preferred Setup

114 144

254

1 1/4" BSP

0 - 100 MM BELOW

178

127

51

155

12

146 190

25

40

8

rpm

0

200

400

600

800

1,000

1,200

1,400

1,600

1,800

2,000

900 1,000 1,100 1,200 1,300 1,400 1,500 1,600 1,700 1,800

1.7kW

3.3kW

M3

M3 Vacuum Pump Series

M3 No Lube

M3 Dripper M3 Bottle Lube

Skellerup M3 Vacuum Pump Performance at 50kPa (at sea level)

litre

s/m

in (f

ree

air)

Minimum flow of 700 Ipm drawing 1.7kW of power Maximum flow of 1,370 Ipm drawing 3.3kW of power

rpm

M3 Dripper

Our Preferred Setup

0 - 100mm BELOW

178

127

1 1/4" BSP

25

155

102

12

254

141 114

215 171

368

M4 Vacuum Pump Series

Skellerup M4 Vacuum Pump Performance at 50kPa (at sea level)

litre

s/m

in (f

ree

air)

Minimum flow of 1,140 Ipm drawing 3.4kW of power Maximum flow of 2,100 Ipm drawing 5.4kW of power

rpm

1050

1100

1150

1200

1250

1300

1350

1400

1450

1500

rpm

0

500

1,000

1,500

2,000

2,500

800 900 1,000 1,100 1,200 1,300 1,400 1,500

5.4kW

3.4kW

M4

M4 DripperM4 No Lube

2,500

2,000

1,500

1,000

900 1,000 1,100 1,200 1,300 1,400 1,500800

500

0

Our Preferred Setup

Tangential Rotor Design More efficient input to output energy ratio Reduced vane and cylinder wear for longer service life

End Thrust Protection Prevents cylinder and end cover contact Prolongs service life

4 Ports (38mm or 50mm Thread Options) Versatility of installation Vertical, horizontal or mixed plumbing

Solid Rotor Limits vibration Sound dampening ability

Shaft High tensile steel

M4 Vacuum Pump Additional Features

M4 Dripper

0 - 100mm BELOW

123.

5

534

202

166

14

28

144 144

248.

5

164

252

71

8

58.5

2" BSP

M7.5 Vacuum Pump Series

Skellerup M7.5 Vacuum Pump Performance at 50kPa (at sea level)

litre

s/m

in (f

ree

air)

Minimum flow of 2,025 Ipm drawing 5.04kW of power Maximum flow of 3,000 Ipm drawing 7.5kW of power

rpm

M7.5 DripperM7.5 No Lube

115012501300

rpm

0

1,000

2,000

3,000

4,000

900 950 1,000 1,050 1,100 1,150 1,250 1,300

5.0kW

7.5kW

M7.5

Our Preferred Setup

M7.5 Dripper

0 - 100 mm BELOW

187

478

155227

338

219

12214

30

229

8

43

200

2" BSP

M8 Vacuum Pump Series

Skellerup M8 Vacuum Pump Performance at 50kPa (at sea level)

litre

s/m

in (f

ree

air)

Minimum flow of 2,025 Ipm drawing 6.0kW of power Maximum flow of 3,200 Ipm drawing7.6kW of power

rpm

1050110011501200

rpm

0

500

1000

1500

2000

2500

3000

3500

800 850 900 950 1000 1050 1100 1150 1200

6.0kW

7.6kW

M8

M8 DripperM8 No Lube

Our Preferred Setup

Tangential Rotor Design More efficient input to output energy ratio Reduced vane and cylinder wear for a longer service life

Fully Retained Rotor

Heavy Duty Quality Bearings High performance Longer service life

Solid Single Piece Rotor Limits vibration Sound dampening ability

Robust Design

Slow Speed

M8 Vacuum Pump Additional Features

M8 Dripper

200

150 195

32

99

14

0 - 100mm BELOW

554

312.

80

154

147.5 147.5

145

270

10

80

3" BSP

Customer Services/ Technical Advice+64 9 571 5857cs.pumps@skellerup.co.nz

www.skellerup.co.nz

Skellerup Industries Ltd1/37 Mount Wellington Highway

Mount WellingtonNew Zealand