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7
S
ECTION
3.1
S
CHEMATIC
D
RAWINGS
I
TEM
D
ESCRIPTION
1
P
ROGRAMMABLE SAMPLER TIMER
2
S
AMPLE
P
UMP
3
7.2L
S
AMPLE CONTAINER
4
S
AMPLE PUMP CONTROL SOLENOID
5
S
AFETY
S
HUTOFF
V
ALVE
.
D
ISABLES SAMPLE PUMP WHEN SAMPLE CONTAINER
REACHES A CERTAIN WEIGHT
.
6
B
ACKPRESSURE REGULATING VALVE
.
P
REVENTS SAMPLE FROM FREE FLOWING
THROUGH PUMP
.
7
S
AMPLE DIVERT VALVE
.
S
ELECT SAMPLE TO OPERATING OR TEST CONTAINER
.
8
F
LOW SIGNAL INPUT DEVICE
(S
TANDARD PNEUMATIC SHOWN
.
SEE SECTION
2.2
FOR MORE OPTIONS
)
9
S
AMPLE
I
NLET FILTER
10
O
PTIONAL
D
IRECT
E
XTERNAL
C
ONTROL
3-
WAY
V
ALVE
F
IGURE
3.1.1