Inlets and valves
6850
6850
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 33
Cool on-column inlet
Description Part no. Qty.
1. Needle guide top (optional)
19245-20670 0
2. Septum nut base assembly (short)
19245-80521 1
3. Septum nut base
G1545-80520 1
4. Manual cooling tower assembly
(optional)
19320-80625 1
5. Duckbill (for use with cooling
tower, above)
19245-40050 10 pk
6. Screw M4 × 8 Torx T-20
chromeplate
0515-2711 3
7. Heatsink fin G1545-00010 1
8. Heater/Sensor assembly G1545-60520 1
9. Septa
–Solid 5181-1261 25 pk
–Thru-hole 5181-1260 25 pk
10. In se r t s p r i n g 19245-60760 1
11. Inserts (identify by number of rings
on insert):
–Narrow bore insert; 200 µ –
1 silver ring
19245-20510 0
–Wide bore insert; 320 µ – 5 silver
rings
19245-20525 1
–Megabore insert; 530 µ – 0 rings 19245-20580 1
–Capillary Insert (glass columns) –
3 silver rings
19245-20550 0
–AL megabore – 4 rings
19245-20780 0
–250 µ bore insert – 6 rings
19245-20515 1
12. T-20 screws (captive) M4 × 12 mm
1390-1023 3
13. T-10 Torx M3 × 16-mm screw
1390-1022 1
14. Inlet weldment
G1545-80507 1
15. Inlet weldment insulation
G1545-20630 1
16. Cavity sleeve
19245-00060 1
17. Ferrules (identify by id):
Solid ferrule plug (no hole)
5181-7458 1
Graphite ferrule 0.5-mm id
5080-8853 10 pk
Graphite ferrule 1.0-mm id
5080-8773 10 pk
18. Column nut (Order no. 5181-8830
2/pkg)
18740-20870 1
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