Flow Switch with Connection Head

Part Ref: FL-A322


Dual Certified ATEX & IECEx Ex db/tb Groups IIC/IIIC T6/T4 DPDT/DPCO

 The FL-A Series Flow Switch is an ultra-compact instrument which is engineered from 316 stainless steel including all wetted parts. Designed to monitor the flow of liquid in ½” to 2 ½” pipe it is available certified to all global protection standards for use in Hazardous Areas. 

Category:

   

Description

 This FL-A-WL version utilises our unique 316 stainless steel Wireable Connection Head with an M20 x 1.5 conduit entry port provided on the side. This eliminates the requirement for an external junction box and associated fitting kit by allowing the incoming cable to be connected directly at the back of the switch. The side entry port version provides benefits to applications where space is at a premium along the switch axis and improved cable management is required. Each flow switch is supplied pre-installed into a 1 1/4 BSPT 316 Stainless Steel tee. 

Technical Details

Body Style    Cylindrical with Wireable Connection Head 
Body Material    Stainless Steel 316L 
Wetted Part Material    Stainless Steel 316L 
Contact Arrangement    DPCO / DPDT (2x Form C) 
Contact Material    Silver 
Maximum Current    4A (24A In-rush) @ 24VDC / 110VAC / 230 VAC 
Connection    Side Entry 
Conduit Entry    M20 x 1.5 
Mounting Pipe Size    1 1/4” BSPT 
Hazardous Location    Zone 1, 2, 21 and 22 
Gas Group    IIC 
Dust Group    IIIC 
Temperature Class (T Rating)    T6/T4 
Operating Temperature    -60°C to +120°C
Environmental Protection    IP 66, 67 
Maximum Working Pressure    138bar / 2000psi 

Flow Indication Points

Tee Size    Actuation (Rising flow)    Deactivation (Falling Flow) 
1 ¼”    10.0 – 11.4 l/min 

(2.6 – 3.0 USgpm) 

  5.0 – 6.0 l/min 

(1.3 – 1.6 USgpm) 

Flow rates quoted for water at 20° C

Connections

 

Dimensions

 

Downloads


File File size
pdf FL-A322-4-2-D-WL-M20 MP ed 527 KB

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