HC Series 35 and 18 CFM and HC Series 150 and 70

Compound Stage Rotary Piston Vacuum Pumps








HC Series 35 and 18 CFM and HC Series 150 and 70
  • Two-stage design assures high throughput below 30 microns
  • Low blank-off to 0.001 Torr
  • Low vibration
  • Adjustable gas ballast handles condensable vapors
  • No metal-to-metal contact in pumping chamber increases wear life.
  • Air cooled designs for easy installation


Compound design combines performance with cost savings

Compound series pumps offer high efficiency pumping velow 300 microns. They eliminate the need for blowers in some applications, thus reducing system complexity and cost. Replacing a single-stage pump with a compound increases vacuum system performance by reducing pump-down time and base pressure. When low base pressure is required, a less expensive, lower capacity compound pump can equal the performance of larger single-stage pumps.

In metallizing and drying applications with high water loads, micron range performance can still be achieved, even with full gas ballast. This feature prolongs the useful life of sealing fluids while maintaining superior vacuum pump performance.

Designed and built for durability

Constructed from chemical resistant cast iron, HC series pumps feature hardened shafts with Viton shaft seals. Our rotary piston design and low rotational speeds reduce wear.

Backed by value-added service and support

After the sales we provide long term value with our standard extended Three Year Limited Warranty and Uptime Program. Under the Uptime Program we ship you a loaner pump while your pump is at our facility for inspection or repair.


Specifications

HC-35

HC-18

HC-35 internal view Free Air Displacement (DFM)
35
18
Vacuum Stages
2
2
Ultimate Pressure
.0001 Torr
.0001 Torr
Ultimate Gas Ballast Pressure
.005 Torr
.005 Torr
Motor (HP)
3
1.5
Motor Voltage
208/230/460
208/230/460
Pump Operating Speed
510 RPM
610 RPM
Oil Capacity (Quarts)
2
1.75
Weight (pounds) 320
320
260
Inlet Connection
1.5" NPT
1.25" NPT
Outlet Connection
1.25" NPT
1 inch hose
Cooling
Air
Air


HC-18 Internal view Dimensions
HC-35
HC-18

B1
17.84
18.37
B2
13.58
14
B3
11.42
12
B4
1.3
1
B5
4.63
4
B6
-
10.75
H1
19.13
23.88
H2
16.5
14.75
L1
29.53
24.75
L2
16.5
14.75
L3
1.08
5
L4
6.59
3
L5
10.71
-
M
.63 Dia.
.63 Dia.
All dimensions are in inches


Two Stage Performance at a Single Stage Price

Two stage design
  • Two-stage design assures high throughput below 300 microns
  • Low blank-off to 0.0001 Torr
  • Low vibration
  • Adjustable gas ballast handles condensable vapors
  • No metal-to-metal contact in pumping chamber increases wear life.
  • Water cooled designs for high ambient temperature operation


Specifications

HC-150

HC-70

Free Air Displacement (CFM)
150
65
Vacuum Stages
2
2
Ultimate Pressure
0.0001 Torr
0.0001 Torr
Ultimate Gas Ballast Pressure
0.005 Torr
0.005 Torr
Motor (HP)
10
5
Motor Voltage
208/230/460
208/230/460
Pump Operating Speed
591 RPM
550 RPM
Oil Capacity (Gallons)
6.5
2.0
Weight (Pounds)
1400
700
Inlet Connection
3" Flange
2" NPT
Outlet Connection
2.0"NPT
1.5"NPT
Maximum Cooling Water 65o F
3 Gal/Min
1.0 Gal/min

B1
24.5
H5
23
HC-70 Internal view
B2
15
H6
25.5
HC-150 Internal view
B3
11.75
L1
15.75
B4
1.62
L2
14
B5
5.88
L3
.88
B6
4.75
L4
7
H1
36.75
L5
13
H2
18
L6
21
H3
12.25
M
.63 Dia
H4
8.5
-
-



H1
15.5
B5
1.65
H2
21.5
B6
6.77
H3
34
B7
24.75
H4
47.75
B8
20.71
B1
34.84
B9
18.35
B2
20.63
B10
9.25
B3
17.32
B11
14.38
B4
8.66
M
.75 Dia





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