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Flow Sensors Zone0
Flow Sensors Zone1
Proximity -Cyl
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I.S. Flow Sensors
Inserted into Zone 1 and Zone 21

The following range of flow switches are designed for pipe insertion, threaded into a tee or pipe socket, with the probe inserted into the flow. Models available may be used to monitor air, gases or liquids. These switches operate on the calorimetric principle and monitor the velocity of the flow (not mass or volume). The switches are known for reliability of the set-point even during temperature variations, accurate and dependable switching, short reaction times and high pressure resistance. They are frequently used for flow/no flow, run-dry and leakage applications.
 

Where insertion flow sensors are used in hazardous areas, two zones may be involved. For example, in a Zone 1 (or Zone 21) area, an insertion sensor may be fitted to a water (or other non-hazardous media) pipe. In such a case, a sensor suitable for Zone 1 is appropriate as shown on this page.

These intrinsically safe flow sensors must be used in conjunction with a Flow Sensor Safety Barrier for Zone 1 Insertion. Setting adjustments are made using a potentiometer on the Safety Barrier for Zone 1 Insertion.

However, in a Zone 1 area, a sensor may need fitting to a process line, inside which a Zone 0 area exists. In this case, the sensor must be approved for use with the sensing element in Zone 0. See Flow Sensors Zone 0.

Outside Pipe = Zone 1

Inside Pipe = Zone 1


Flow Switch & Sensor in Zone 1
(not inserted into Zone 0)
[Atex Category II  2G  Ex  Zone 1]

SENSOR MODEL Media Thread Temp range Connection Material Pressure
(bar)
Data Sheet Link Atex Cert Link
FCS-G1/4A4-NAEX Liquid G 1/4 -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G1/4A4-NAEX/D100 Liquid G 1/4 +10oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G1/4A4-NAEX-H1141 Liquid G 1/4 -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX Liquid G 1/2 -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX/L065/D100 Liquid G 1/2 +10oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX/D100 Liquid G 1/2 +10oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX-H114 Liquid G 1/2 -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-GL1/2A4-NAEX Liquid G 1/2 L -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-GL1/2A4-NAEX/D100 Liquid G 1/2 L -20oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-GL1/2A4-NAEX/D500 Liquid G 1/2 L -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
500
FCS-GL1/2A4-NAEX-H1141 Liquid G 1/2L -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-GL1/2HC22-NAEX/D100 5m Liquid G 1/2L -10oC..+120oC Flying Lead 5m  4x0.25mm2 Hastelloy
HC22 (2.4602)
60
FCS-GL1/2HC22-NAEX-H1141 Liquid G 1/2 L -20oC..+85oC Connector
M12 x 1
Hastelloy
HC22 (2.4602)
60
FCS-G1/2HC4-NAEX/L065/D100 Liquid G 1/2 -10oC..+120oC Flying Lead 2m  4x0.25mm2 Hastelloy
HC4 (2.4610)
60
FCS-GL1/2T-NAEX Liquid G 1/2 L -10oC..+70oC Flying Lead 2m  4x0.25mm2 PTFE
Teflon
5
FCS-GL1/2T-NAEX-H1141 Liquid G 1/2 L -10oC..+70oC Connector
M12 x 1
PTFE
Teflon
5
FCS-G1/2TN-NAEX Liquid G 1/2 -20oC..+85oC Flying Lead 2m  4x0.25mm2 Titanium B3
(3.7035)
60
FCS-GL1/2TN-NAEX-H1141 Liquid G 1/2 L -20oC..+85oC Connector
M12 x 1
Titanium B3
(3.7035)
60
FCS-G3/4A4-NAEX Liquid G 3/4 -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G3/4A4-NAEX/D100 Liquid G 3/4 -20oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-G3/4A4-NAEX-H1141 Liquid G 3/4 -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-N1/2A4-NAEX Liquid NPT 1/2 -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-N1/2A4-NAEX/D100 Liquid NPT 1/2 -20oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
60
FCS-N1/2A4-NAEX-H1141 Liquid NPT 1/2 -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX/AL065 Gas G 1/2 -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
10
FCS-G1/2A4-NAEX-H1141/AL065 Gas G 1/2 -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
10
FCS-GL1/2A4-NAEX/A Gas G 1/2 L -20oC..+85oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
10
FCS-GL1/2A4-NAEX/A/D100 Gas G 1/2 L -20oC..+120oC Flying Lead 2m  4x0.25mm2 S/Steel
(AISI 316Ti)
10
FCS-GL1/2A4-NAEX-H1141/A Gas G 1/2 L -20oC..+85oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
10

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