6
Sentry Equipment Corp
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.
Â
NOTE
Figures in this manual may differ from actual purchased equipment. Please refer to your job drawings for specific connection
information.
PI
1
2
SAMPLE INLET
1
SAMPLE RETURN
V-1
CV-1
SAMPLE
BOTTLE
3
VENT
15" 381
8" 203
VARIES BY
BOTTLE SIZE
COBRA FLOW THRU
SAMPLE VALVE
PRESSURE GAUGE
COBRA NEEDLE
ASSEMBLY
BOTTLE SHROUD
4" 102
2 13/16" 71
SAMPLE INLET
SAMPLE RETURN
VENT
FLOW DIAGRAM
G
F
E
C
D
B
A
G
F
E
C
D
B
A
H
1
2
3
4
5
6
7
FILENAME
H
SHEET 1 OF 1
DWG. NO.
DATE
DRAWN
APPD
CKD
REVISION
8
0
Cobra M Drawing and PID
TRO
08/23/22
Cobra M Drawing and PID
DATE
DATE
Cobra M
Marketing Drawing
DO NOT SCALE DWG.
REMOVE ALL BURRS AND SHARP
EDGES UNLESS OTHERWISE NOTED
THIS DOCUMENT IS CONFIDENTIAL,
AND CONTAINS INFORMATION
WHICH IS PROPRIETARY TO SEC.
IT IS PROVIDED IN CONFIDENCE
AND UPON THE CONDITION THAT
NEITHER IT NOR THE INFORMATION
CONTAINED IN IT WILL BE COPIED,
DISCLOSED, OR USED IN WHOLE
OR IN PART WITHOUT THE PRIOR
WRITTEN CONSENT OF SEC.
NOTE:
ALL DIMENSIONS IN INCHES
UNLESS OTHERWISE SPECIFIED
TOLERANCES FOR ALL DIMENSIONS
UNLESS OTHERWISE SPECIFIED
MACH. PARTS
STRUCT.
1/X
.X
.XX
.XXX
ANG.
1/8
0.1
0.01
0.005
1/2
1/2
0.3
0.06
0.030
1
THIRD ANGLE
PROJECTION
X
7
2
8
5
6
3
4
1
www.sentry-equip.com
Operation
1.
Verify sample valve is closed
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
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
