HS-300 Rotary Piston Vacuum Pump








HS-300 Rotary Piston Vacuum Pump
Stokes 412 Direct Replacement
  • Capacity and Ultimate Pressure
  • Footprint
  • Inlet Size and Location
  • Valve Deck and Components
  • Hinge Bars and Pistons
Accessories and Options
  • Exhaust Coalescing Filters
  • Inlet Particulate Traps
  • Water Miser Valves
  • Non-hydrocarbon Sealing Fluid
  • 50 HZ Power
  • Vacuum Control
  • Oil Filtration Systems
After Sales Support
  • Three Year Limited Warranty
  • Uptime Programs
  • Rebuild Service

Internal view HS Specifications
HS 300 Specifications
Free Air Displacement (CFM) 300
Vacuum Stages 1
Ultimate Pressure (Torr) 0.01
Ultimate Pressure With Ballast (Torr) 0.5
Motor Rating (HP) 10 or 15
Motor Voltage 208 / 230 / 460
Pump Operating Speed (RPM) 490
Oil Capacity (Gallons) 12
Weight (LBS) 1750
Inlet (ANSI Flange) 4 Inch
Outlet (Female NPT) 3 Inch
Max Cooling Water 65 ° F (GPM 2

HS-300 Dimensions

A
52
G
3"NPT
B
42
H
4" Flange
C
34
J
7 / 8" Dia Hole
D
9.75
K
11.75
E
8.25
L
6.25
F
22
M
20.75
Inlet height off floor
16.375

All measurements in inches






HS Series 150 & 110 CFM



Single-Stage Rotary Piston Vacuum Pumps



Affordable Workhorse Pumps For Tough Industrial Jobs.
  • Low blank-off micron range
  • Adjustable gas ballast handles condensable vapors
  • HS-150 features automatic oil supply shutoff
  • Save space with compact vertical motor mount design
  • Large oil capacity extends pump lifetime
  • No metal-to-metal contact in pumping chamber increases wear life
Designed and built for durability

Ruggedly constructed from chemical resistant cast iron, HS series pumps feature hardened shafts and Viton® shaft seals. Our rotary piston design inherently reduces wear by eliminating metal-to-metal contact in the pumping chamber. Low rotational speeds further reduce wear.

A large oil reservoir extends pump life by reducing sensitivity to contaminants, and a high volume oil flow system sweeps process impurities away from moving components before they can cause damage. An adjustable gas ballast system offers added protection against wear by removing condensable gas vapors, which can reduce sealant lubricity and decrease pump performance.

Backed by value-added service and support

As a leading manufacturer of custom turnkey vacuum process systems, Hull Corporation has extensive experience in the application of vacuum pumps. Meeting your requirements goes beyond supplying you with equipment. Drawing on our experience in vacuum technology, we also help you develop cost-effective solutions and optimize your system.

After the sale 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.

Increase your savings with these high reliability, long life pumps

Equally suited for OEMs and end users. Affordably priced, they offer excellent performance and are engineered for long life


HS Series Specifications

HS-150

HS-110

HS Series Specifications - HS-150 From view and HS-150 Side view

Free Air Displacement (CFM)
150
110
Vacuum Stages
1
1
Ultimate Pressure (Torr)
0.005
0.02
Ultimate Gas Ballast Pressure (Torr)
0.5
5
Motor (HP)
10
5
Motor Voltage
208/230/460
208/230/460
Pump Operating Speed (RPM)
610
385
Oil Capacity (Gallons)
6.5
5
Weight (Pounds)
1200
1100
Inlet (ASA Flange)
3 inch
3 inch
Outlet (Threaded NPT)
2 inch
2 inch
Max Cooling Water 65° F (Gal / Min)
3
2.5




HS-110 Front view and HS-110 Side view

HS Series Dimensions

HS-150
HS-110
HS-150
HS-110
H1
15.38
4
B5
1.42
2.63
H2
20.67
15.16
B6
9.25
24.5
H3
28.82
27.75
B7
27.52
19.13
H4
47.62
33.75
B8
20.71
17.32
H5
--
47.13
B9
18.35
0.88
B1
28.94
25.5
B10
10.12
--
B2
14.65
18.5
B11
15.75
--
B3
11.81
12.99
M
0.75
--
B4
5.91
6.5
--
All measurements in inches






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