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Flow Sensors Zone0
Flow Sensors Zone1
Proximity -Cyl
Prox-Rect
Prox Compact
Prox Slot
Connectors
Photoel Direct
Photoel Retro
Photoel Opposed
"Namur" Standard
Photo Accessories.

 

 

 

 

I.S. Flow Sensors
Inserted into Zone 0 and Zone 20

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 area, a sensor may need fitting to a process line, inside which a Zone 0 area exists (or Zone 20). In this case, the sensor must be approved for use with the sensing element in Zone 0 as shown on this page. 
These intrinsically safe flow sensors must be used in conjunction with a Flow Sensor Safety Barrier. Setting adjustments are made using a potentiometer on the Flow Sensor Safety Barrier.

However, in a Zone 1 area, an insertion sensor may be fitted to a water (or other non-hazardous media) pipe. In such a case, a
Flow Sensor for Zone 1 Insertion is appropriate.

Outside Pipe = Zone 1

Inside Pipe = Zone 0


Flow Switch in Zone 1
Sensor may be inserted into Zone 0

[Atex Category II  2G  Ex  Zone 0]

INSTRUCTION LEAFLET:

Atex Cert : 

SENSOR MODEL Media Thread Temp range Connection Material Pressure
(bar)
Data Sheet Link
FCS-G1/4A4-NAEX0 Liquid G 1/4 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G1/4A4-NAEX0/L065 Liquid G 1/4 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G1/4A4-NAEX0-H1141 Liquid G 1/4 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX0 Liquid G 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G1/2A4-NAEX0/L065 Liquid G 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G1/2A4-NAEX0/D024 Liquid G 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G1/2A4-NAEX0-H1141 Liquid G 1/2 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX0-H1141/L065 Liquid G 1/2 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60  
FCS-G1/2HC4-NAEX0/L065 Liquid G 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
Hastelloy
HC4 (2.4610)
60  
FCS-G1/2HC4-NAEX0/L065/D024 Liquid G 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
Hastelloy
HC4 (2.4610)
60  
FCS-G1/2HC4-NAEX0/L065/D024 5m Liquid G 1/2 -20oC..+60oC Flying Lead
5m  4x0.25mm2
Hastelloy
HC4 (2.4610)
60  
FCS-GL1/2A4-NAEX0 Liquid G 1/2 L -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-GL1/2A4-NAEX0-H1141 Liquid G 1/2 L -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-G3/4A4-NAEX0 Liquid G 3/4 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-G3/4A4-NAEX0-H1141 Liquid G 3/4 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
60
FCS-GL3/4A4-NAEX0 Liquid G 3/4 L -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-GL3/4A4-NAEX0/D024 Liquid G 3/4 L -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-N1/2A4-NAEX0 Liquid NPT 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60  
FCS-N1/2A4-NAEX0-H1141 Liquid NPT 1/2 -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
60
FCS-G1/2A4-NAEX0-H1141/A Gas G 1/2 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
10  
FCS-G1/2A4-NAEX0-H1141/AL065 Gas G 1/2 -20oC..+60oC Connector
M12 x 1
S/Steel
(AISI 316Ti)
10  
FCS-GL1/2A4-NAEX0/A Gas G 1/2 L -20oC..+60oC Flying Lead
2m  4x0.25mm2
S/Steel
(AISI 316Ti)
10  

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