Enlcosure_A.pdf

PDF 428 KB Posted Aug 30, 2018

Attached to: Space Simulation Facility Cryopump Federal contract opportunity
Solicitation number: 80GRC018P0034
Issued by: National Aeronautics and Space Administration Glenn Research Center

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Specifications for 35" and 48" Cryopump

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Specifications for Space Simulation Facility 35” Cryopump

Cryo Pump Specification

Inlet Flange

Roughing Flange

Regeneration Purge Tube

Volume Flow Rate (Liters/second)

Capacity at 5x10^-6 Torr

Crossover

Cool down Time

Instrumentation

Mounting Orientation

Helium compressor compatibility

Helium Compressor Specification

Input Power Required

Air Cooled

Remote Start/Stop capability

Feed System Specification

Supply Liquid N2 to Cryo pumps

LN2 insulated lines

35” ANSI

2” ANSI / 2”ASA

0.5”

N2 – 30,000 H2 – 20,000

N2 – 6,000 std Liters H2 – 30 std Liters

2,000 Torr Liters

240 min to 20K

Silicon diode temperature sensor

Any orientation must be compatible with CBST6.0 Helium compressor

480V, 3 Phase, 5.5 kW

<95°F Ambient

Provide adequate LN2 flow to insure robust operation of cryo pumps

Vacuum insulated lines to insure minimal product loss.

Specifications for Space Simulation Facilities 48" Cryogenic Pumps

48" Cryopump Specification

High Vacuum Flange