Chapter:
Topic:
INJECTORS
&
GAS VALYES
LOOPSAMPLINGWITH
BACKFLUSH TODETECTOR
REV. 9-7-91
INJECTPOSmON -
TURN
SHAFTCW
WAD
POSmON -
TURN
SHAFT CCW
SRIhas plumbed thevalve in
yourGCaccording to the
accompanying schematic.
In
the
WAD
position:
The sample loop is in position
tobe loadedwhile
carrier
gas
flows through thecolumnand
onto thedetector.
In
the INJECTposition:
Carrier gas flows through the
sample loopand thenon to the
column. however the direction
of flow through the column is
opposite from thedirection in
the
WAD
position.
Valco's ten port valvecalalog
has
a large assortment
of
plumbing applications. You
canorder Valco's catalog
from:
VALCO
BOX
55603
HOUSTON,
TX
77055
(800) 367-8424
(713) 688-9345
YourValve
was
plumbed
by:
Date:
GC
serial
number:
CARRIER-,
OUT
SAMPLE
IN
CARRIER
OUT
SAMPLE
IN
C
DETECTOR
0
L
U
M
N
C
DETECTOR
0
H--='
<,
~
t
M
N
