Closed Loop Cylinder
Sample Panel

Safe and Accurate Sampling for Liquids

Features

Description

 A continuous flow of sample assures
representative sample

Closed loop cylinder sampling is the most effective
way to take and transport liquid or 2-phase liquidsamples. By purging the sample path and the sample
panel during each sample cycle, representative sample
is assured within the cylinder. As well, purging of thesample panel after the sample is secured provides for
maximum operator safety and minimum loss of sample
vapors to the environment.

 Tandem switching valve integrates multiple
functions into one device
 Ergonomic design reduces turning torque andeliminates repetitive wrist action
 Quick disconnects allow for easy removal andtransportation of the sample cylinder Self-sealing quick disconnect fittings prevent
leakage when cylinder is removed
 Variety of configurations to meet any LPG or liquidsampling needOptions
 Connection sizes range from ¼–½" (8–15 mm),and are compression, socket weld, flanged or NPT

Flex HoseVent

Sample Outlet Valve
Sample Inlet Valve24" [610]
Quick Disconnect
Cylinder Outlet Valve
20% Outage Tube All available sample cylinders include shutof fvalves and quick disconnects
Sample Cylinder

Pressure Indicator

Cylinder Inlet Valve
Quick Disconnect
Nameplate
Instruction
Placardwww.sentry-equip.com

Tandem SwitchingValve16" [406]0"0"1.5.9 Rev. 2 08/12

closed loop cylinder sample panel

model MCL

Closed Loop Cylinder TECHNICAL DATA
Vent Return

Outage Tube

Inlet

Vent Return

Inlet

Outage Tube

PI1PI1

CYL-1

CYL-1

Sample Mode

Vent Modeex ample of cylinder sampler for liquids

Off Mode (insert cylinder) – The switching valve handle is turned to the off position blocking both side ports on both
3-way valves on the switching valve. There is no flow through the sampler.
Sample mode – The switching valve handle is turned to the sample position and sample now flows through thesampler and the connected sample cylinder. This is essentially a purging/filling process.

Isolate mode – Sample is isolated in the cylinder by closing the cylinder valves. The outlet cylinder valve (top valve)must be closed first if the sample needs to be maintained at system pressure.
Vent mode – The switching valve handle is turned to the vent/depressurize position and all sample liquids in thesampler lines on either side of the sample cylinder are vented to a low pressure (flare/vent header or local liquid
recovery device).

Off mode (remove cylinder) – The switching valve handle is turned to the off position blocking both side ports on
both 3-way valves on the switching valve. Since the sampler lines are vented, disconnecting the cylinder is safely
accomplished at atmospheric or sub-atmospheric pressure at the QDCs without contamination to the operator or theenvironment.

SPECIFICATIONS

Materials of construction
Wetted materials

304 stainless steel backplate; 316 or 304 SS cylinders
316 stainless steel and PTFE

Standard pressure rating

1800 psi (125 bar)Standard temperature rating*up to 300˚ F (149˚ C)*Higher temperatures available — consult factory
Options: sample cooler, in-line filter, cooling water valves, carbon canister, check valves, nitrogen purge, flow indicator, cylinder relief valve,rupture disc, pipe stand, heater, and enclosures
European Authorized Rep:
OBELIS
Bd. General Wahis 53-1030
Brussels Belgium

II 2 G

It is solely the responsibility of the end-user, through its own analysis and testing, to select products and materials suitable for their specific application
requirements, ensure they are properly installed, safely applied, properly maintained, and limit their use to their intended purpose. Improper selection,installation, or use may result in personal injury or property damage.

SENTRY EQUIPMENT CORP

For further information, contact:

966 Blue Ribbon Circle North
Oconomowoc, WI 53066 USA
Tel: 262-567-7256 • Fax: 262-567-4523
E-mail:sales@sentry-equip.com
Website:www.sentry-equip.com© Sentry Equipment Corp 2006

1.5.9 Rev. 2 08/12