HS-16
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Available in 2 in. and 16 in. through 35 in. sizes, the low-cost HS-series pumps provide high speed, low ultimate pressure, high throughput, high tolerable forepressure, and low backstreaming. The HS-Series diffusion pumps come with full thermal protection and optional quick-cool coils. The 16 in. through 35 in. pumps come with sight glass/fill and drain assemblies, and are available with ASA or ISO flanges.
- Five-stage fractionating jet purifies pumping fluid
- High throughput, 9600-watt version available
- High tolerable forepressure
- Full thermal protection
- Fill and drain assembly for pump oil
- Fluid-level sight glass provides quick indication of pump fluid status at all times
- Standard gauge port (NW-25) below inlet flange included
- Foreline baffle prevents loss of fluid into backing pump system
- Optional halo baffle reduces backstreaming without adding height
- Optional quick cool coil
Technical Specifications
* For an explanation of pumping speed measurements, please see catalog page 36.
** Refer to catalog page 34 for a description of test methods
Speed Curve Graph
Pumping Speed/Cold Cap Pumping speed/Halo Baffle Throughput
Outline Drawing
| Pumping speed, operating range | 6,000 l/s air, 7,500 l/s He and H2 |
| Pumping speed*, AVS 4.1(1963) | 10,000 l/s air |
| Maximum throughput |
8,100 W – 9.5 T-l/s (12.7 mbar l/s) in operating range13.5 T-l/s (18.0 mbar-l/s) @ 0.01 Torr 9,600 W –12.0 T-l/s (16 mbar l/s) in operating range 11.5 T-l/s (15.3 mbar-l/s) @ 0.01 Torr |
| Operating range | 2 x 10-3 to <5 x 10-8 Torr at 9,600 W (1.3 x 10-3 to <6.5 x 10-8 mbar) |
| Maximum forepressure | No load – 0.65 Torr (0.85 mbar), Full Load – 0.55 Torr (0.72 mbar) |
| Pump power | 8100/9600 watts |
| Recommended backing pump | ≥ 80 cfm (136 m3/hr) |
| Backstreaming rate**, standard cold cap | <1.5 x 10-3 mg/cm2/min |
| Warmup time | 30 minutes |
| Cooldown time | 48 minutes (30 minutes with optional quick cool coil) |
| Fluid charge | 3 quarts (2.8 liters) |
| Electrical requirements | 3 ph, 50/60 Hz, 240/415/480 VAC |
| Cooling water requirements | 1.5 gpm (300 l/hr) at 60-80 °F (15-26 °C) |
| Water connections | 1⁄4 in. FPT Tee |
| Recommended fluid | DC-704 (see page 30 of catalog) |
** Refer to catalog page 34 for a description of test methods
Speed Curve Graph
Pumping Speed/Cold Cap Pumping speed/Halo Baffle Throughput
Outline Drawing
| Description | Weight kg (lbs) | Part Number |
| HS-16 Pump with standard cold cap | ||
| 240 V 8100 W, ASA flanges | 218.0 (480.0) | 79292308 |
| 240 V 8100 W, ISO flanges | 218.0 (480.0) | L5921308 |
| 240 V 9600 W, ASA flange | 218.0 (480.0) | 79292328 |
| 240 V 9600 W, ISO flanges | 218.0 (480.0) | L5921328 |
| 415 V 8100 W, ASA flanges | 218.0 (480.0) | 79292326 |
| 415 V 8100 W, ISO flanges | 218.0 (480.0) | L5921326 |
| 415 V 9600 W, ASA flange | 218.0 (480.0) | 79292346 |
| 415 V 9600 W, ISO flanges | 218.0 (480.0) | L5921346 |
| 480 V 8100 W, ASA flanges | 218.0 (480.0) | 79292309 |
| 480 V 8100 W, ISO flanges | 218.0 (480.0) | L5921309 |
| 480 V 9600 W, ASA flange | 218.0 (480.0) | 79292329 |
| 480 V 9600 W, ISO flanges | 218.0 (480.0) | L5921329 |
| HS-16 Pump with halo baffle | ||
| 240 V 8100 W, ASA flanges | 218.0 (480.0) | 79292318 |
| 240 V 8100 W, ISO flanges | 218.0 (480.0) | L5921318 |
| 240 V 9600 W, ASA flange | 218.0 (480.0) | 79292338 |
| 240 V 9600 W, ISO flanges | 218.0 (480.0) | L5921338 |
| 415 V 8100 W, ASA flanges | 218.0 (480.0) | 79292336 |
| 415 V 8100 W, ISO flanges | 218.0 (480.0) | L5921336 |
| 415 V 9600 W, ASA flange | 218.0 (480.0) | 79292356 |
| 415 V 9600 W, ISO flanges | 218.0 (480.0) | L5921356 |
| 480 V 8100 W, ASA flanges | 218.0 (480.0) | 79292319 |
| 480 V 8100 W, ISO flanges | 218.0 (480.0) | L5921319 |
| 480 V 9600 W, ASA flange | 218.0 (480.0) | 79292339 |
| 480 V 9600 W, ISO flanges | 218.0 (480.0) | L5921339 |
| Accessories | ||
| Water-cooled halo baffle | 9.0 (20.0) | K0143316 |
| Water-cooled baffle with ASA flanges | 80.0 (180.0) | R1152301 |
| Water-cooled baffle with ISO flanges | 60.0 (130.0) | R1153301 |
| Centering ring for ISO inlet flange, 500K | 0.5 (1.0) | IC500SV |
| Centering ring for ISO foreline flange, 100K | 0.5 (1.0) | IC100SV |
| Instruction manual | 699901140 | |
| Replacement Parts (three heaters required per pump) | ||
| Heater, 240/415 V 2700 W with leads | 0.5 (1.0) | 647316020 |
| Heater, 480 V 2700 W with leads | 0.5 (1.0) | 647316030 |
| Heater, 240/415 V 2700 W no leads, pre-May 1990 pumps | 0.5 (1.0) | 647316035 |
| Heater, 480 V 2700 W no leads, pre-May 1990 pumps | 0.5 (1.0) | 647316045 |
| Heater, 240/415 V 3200 W with leads | 0.5 (1.0) | 647316023 |
| Heater, 480 V 3200 W with leads | 0.5 (1.0) | 647316033 |
| Heater crush plate (replace one with each new heater) | 0.5 (1.0) | K4919001 |
| Heater insulator(three required per pump) | 0.5 (1.0) | 79309001 |
| Heater clamping plate (three required per pump) | 4.0 (8.0) | K4917001 |
| O-ring kit for ASA pump, 1 for inlet (buna, 48214001), 1 for foreline (buna, 2-348), 8 for fill and drain (Viton, 2-213) | 0.5 (1.0) | K0377164 |
| Upper thermal switch (set at 185 °F/85 °C) | 0.5 (1.0) | K9050001 |
| Lower thermal switch (set at 390 °F/199 °C) | 0.5 (1.0) | K9050002 |
| Heater Retrofit Kits (for pumps built before May, 1990) | ||
| HS-16 pump, 240 V | 11.4 (25.0) | L6526308 |
| HS-16 pump, 415 V | 11.4 (25.0) | L6526326 |
| HS-16 pump, 480 V | 11.4 (25.0) | L6526309 |
