Emerson Rosemount 700XA Reference Manual page 118

Operation and maintenance
June 2022
Table 5-1: LSIV parts
ID number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
(1) Denotes standard equipment.
(2) See part ID 05.
(3) See part ID 04.
(4) Only if required.
(5) Emerson equipment.
Procedure
1. Halt sample flow and allow time for the LSIV to cool.
2. Remove the actuation portion of the valve by unscrewing the union coupling from
3. Pull the sample flow chamber assembly off the metering rod. Remove the two seals.
4. Place new seals on the sample flow chamber assembly. Press the chamber and seals
5. Place the actuation section in position on the heater section's headpiece.
6. Use the union coupling spacer to ensure that the union coupling is properly aligned
118
Part number
125-004-XA-EM-SS
001-104-1/16-SS
120-112-1/8-PEEK
125-00801/16-SS
001-131-1/16-V
101-228-1/8-SS
120-038
125-118-XA-EM-PEEK
130-020-SS
001-164-SS
001-166-SS
No part number
No part number
No part number
the heater section, which should remain attached to the gas chromatograph (GC).
Emerson has provided a union coupling wrench for this purpose.
This will expose the sample flow chamber and the old seals that ride the metering
rod , which should be treated with great care to prevent bending or scratching.
To do this, you may need to push from the opposite side with a rod smaller than
0.175 in (4.4 mm).
back over the metering rod.
with the heater section's headpiece.
Part name
Vaporizer-cylinder, stainless steel (SS) 316
Connector/carrier, 1/16-in, SS 316
Gasket, ⅛-in, polyetheretherketone (PEEK)
Connector/capillary-column, 1/16-in, SS 316
Equipped with VESPEL-ferrule, 1/16-in
VESPEL-ferrule, 1/16-in bore 0.5 mm/0.19-in
Usable for capillary column fused silica 0.32
(4)
Connector, ⅛-in, SS 316 (required only if
using packed column ⅛-in or stream splitter)
Anchor plate
Thermal barrier adapter flange (PEEK)
Head piece, SS 316
Screw, M4 x 12 hex socket countersunk head, SS
304
Screw, M5x16 hex socket head cap, SS 304
(5)
Heater element
(5)
Thermocouple
Valve top unit
Emerson.com/Rosemount
Reference Manual
2-3-9000-744
(1)
(1)
(2)
(3)