11
7890 Series GC Site Preparation Checklist
Issued: 09-Dec-2015, Revision: 1.8
Copyright
2013
Agilent Technologies
Page 11 of 15
Tank Regulator Table
All Agilent regulators are supplied with the 1/8-inch Swagelok
female connector.
Gas Type
CGA Number
Pressure Range
Part Number
Air
346
0-125 PSIG (8.6 Bar)
5183-4641
Hydrogen, Argon/Methane
350
0-125 PSIG (8.6 Bar)
5183-4642
Oxygen
540
0-125 PSIG (8.6 Bar)
5183-4643
Helium, Argon, Nitrogen
580
0-125 PSIG (8.6 Bar)
5183-4644
Air
590
0-125 PSIG (8.6 Bar)
5183-4645
Common Plumbing Supplies
Recommended Supplies to make the GC system installation go smoother.
Description
Part number
1/8 inch Copper Tubing - pre-washed - 50 feet
5180-4196
1/8 inch thick wall Stainless Steel Tubing - 20 Feet
7157-0210
1/8 inch Ball Shutoff Valve for Carrier Gas Supplies (order 1 for each inlet system)
0100-2144
PTFE tape (Never use liquid thread sealer to connect fittings.)
0460-1266
Miscellaneous Gas Plumbing Information
1.
Cryogenic cooling with Liquid N2 requires 1/4-inch insulated copper tubing – 25-30 PSI supply.
2.
Cryogenic cooling with Liquid CO2 requires 1/8-inch heavy-walled, stainless steel tubing –
750-1000 PSI supply – tank with dip (syphon) tube.
3.
Cryogenic Liquid CO2 coolant must be free of particulate material, oil, and other contaminants -
A 2 micron particulate filter is provided with the Liquid CO2 Cryogenic cooling accessories.
4.
Internal Valco
rotary Valve actuation requires a separate pressurized, dry air at 55 psi.
5.
If you have not requested option 305 (pre-plumbed GC), you must supply pre-cleaned, 1/8-inch
copper tubing and a variety of 1/8-inch Swagelok
fittings to connect the GC to inlet and detector
gas supplies.
