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Installation
Dangerous gas! Direct the vent line to a charcoal canister, flare, or other subatmospheric region for collection and treatment
of sample vapors. The gases emitted from the vent line may be hazardous and toxic upon exposure.
Mounting
The Sentry Cobra M sampler is equipped with two (2) 2" NPS Pipe Mounting U-Bolts for mounting to a standard 2" NPS
Instrument Pipe Stand. Refer to the accompanying drawing for mounting details.
Piping
Refer to the accompanying drawing for connection sizes, types and locations.
 NOTE
Figures in this manual may differ from actual purchased equipment. Please refer to your job drawings for specific connection
information.
1
2
A
FLOW DIAGRAM
V-1
B
PI
1
C
SAMPLE
BOTTLE
D
E
F
G
Operation
1. Verify sample valve is closed
H
2. Verify all upstream and downstream valves are open to allow representative sample to be taken
3. Verify vent line is open to allow for safe venting of bottle
1
2
4. Insert bottle carefully into shroud and allow Cobra needle to puncture septum
5. Close bottle strap
6. Turn sample valve counter-clockwise to open and verify liquid is flowing into bottle
Do not overfill bottle
6
3
1
SAMPLE INLET
2
SAMPLE RETURN
3
VENT
CV-1
8" 203
COBRA FLOW THRU
VARIES BY
BOTTLE SIZE
3
4
5
15" 381
PRESSURE GAUGE
SAMPLE VALVE
COBRA NEEDLE
ASSEMBLY
BOTTLE SHROUD
4
5
6
7
2 13/16" 71
4" 102
SAMPLE RETURN
SHEET 1 OF 1
NOTE:
DO NOT SCALE DWG.
ALL DIMENSIONS IN INCHES
UNLESS OTHERWISE SPECIFIED
THIS DOCUMENT IS CONFIDENTIAL,
AND CONTAINS INFORMATION
TOLERANCES FOR ALL DIMENSIONS
WHICH IS PROPRIETARY TO SEC.
UNLESS OTHERWISE SPECIFIED
X
IT IS PROVIDED IN CONFIDENCE
MACH. PARTS
STRUCT.
AND UPON THE CONDITION THAT
NEITHER IT NOR THE INFORMATION
1/X
1/8
1/2
CONTAINED IN IT WILL BE COPIED,
.X
0.1
0.3
DISCLOSED, OR USED IN WHOLE
Marketing Drawing
0.06
OR IN PART WITHOUT THE PRIOR
.XX
0.01
WRITTEN CONSENT OF SEC.
0.030
.XXX
0.005
1
ANG.
1/2
FILENAME
DATE
08/23/22
Cobra M Drawing and PID
REMOVE ALL BURRS AND SHARP
DRAWN
TRO
EDGES UNLESS OTHERWISE NOTED
Cobra M Drawing and PID
THIRD ANGLE
DWG. NO.
PROJECTION
6
7
8
A
B
C
D
SAMPLE INLET
VENT
E
F
G
www.sentry-equip.com
Cobra M
H
DATE
DATE
CKD
APPD
0
REVISION
8
Sentry Equipment Corp
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