Features
- Five-stage stainless steel fractionating jet purifies pumping fluid.
- Full thermal protection.
- Fluid-level sight glass provides quick indication of pump fluid level at all times.
- Fill and drain assembly for pump oil.
- Optional halo baffle cold cap reduces backstreaming without adding height.
- Standard gauge port (NW-25) below inlet flange included.
- Optional quick cool coil.
- Please note that this item is controlled for export by the Nuclear Suppliers Group. Accordingly, you may be required to obtain an export license from the U. S. Department of Commerce prior to exporting this pump from the United States. Please consult the U. S. Export Administration Regulations, ECCN 2B231, for further guidance.
- Ordering Details
- Download HS-32 Diffusion Pump 3D Model
Technical Specifications
Pumping Speed, Operating Range Pumping Speed, AVS 4.1 (1963) |
17,300 l/s Air, 21,625 l/s He and H2 32,000 l/s Air |
Maximum Throughput | 30 T-l/s (40 mbar l/s) in operating range, 35 T-l/s (45 mbar-l/s) @ 0.01 torr |
Operating Range | 1.7 x 10-3 to <5 x 10-8 torr (2.3 x 10-3 to <6.5 x 10-8 mbar) |
Maximum Forepressure |
No Load: 0.50 torr (0.65 mbar) Full Load: 0.35 torr (0.45 mbar) |
Recommended Backing Pump | ɛ300 cfm (510 m3/hr) |
Backstreaming Rate, Standard Cold Cap | <7 x 10-4 mg/cm2/min |
Warmup Time | 60 minutes |
Cooldown Time | 180 minutes |
Fluid Charge | 3 U.S. gallons (11.3 liters) |
Electrical Requirements | 3 ph, 50/60 Hz, 240/415/480 VAC |
Pump Power | 24,000 watts |
Cooling Water Requirements | 4 gpm (800 l/hr) at 60-80°F (15-26°C) |
Water Connections | 3⁄8 in. FPT Tee |
Recommended Fluid | DC-704 |
Ordering Information
Description Wt. kg (lbs) Part Number
HS-32 Pump ASA ISO
HS-32 with standard 612 (1,350) 76134308 L5923308
cold cap, 240 V
HS-32 with halo baffle,
240 V 612 (1,350) 76134318 L5923318
Accessories Wt. kg (lbs) Part Number
Water-cooled halo baffle 16 (35) K1856332
Quick cool coil – must be installed Factory
in the factory Special
Centering ring for ISO foreline 0.5 (1.0) IC200SV
flange, 200K
Installation and Operation Manual 699901140
Description Wt. kg (lbs) Part Number
Replacement Parts (six heaters required per pump)
Heater*, 4000 W, 0.5 (1.0) 647332010
240 V/415 V/
480 V with leads
Heater*, 4000 W, 0.5 (1.0) 647332075
240 V/415 V/
480 V no leads – used on pumps
built before May ‘90
*One heater consists of 2-120V heaters, right and left
Heater crush plate 0.5 (1.0) K7246001
(replace one with each new heater)
Heater insulator
(one required per pump) 0.5 (1.0) 75792001
Heater clamping plate
(six required per pump) 4 (8) K7247001
HS-32/35 heater wire,
10 AWG, 196 inches 1.0 (0.4) X3900-68003
(2 per heater required)
Replacement o-ring kit for 0.5 (1.0) K0377167
ASA pumps
(kit contains: 1 inlet flange o-ring
(buna 45390001), 1 foreline flange
o-ring (butyl 2-443), sight glass o-ring
and gasket, 8 fill and drain o-rings (Viton 2-213)
Sight glass service kit 1.5 (3.0) F6097301
(pumps built before Oct. ‘95)
Sight glass service kit 1.5 (3.0) L9223001
(pumps built after Oct. ‘95)