System Sensor WFD40EXP 4" Explosion Proof Waterflow Switch

System Sensor WFD40EXP 4" Explosion Proof Waterflow Switch

The WFD40EXP is a waterflow detector for installation on 4" steel pipe.  System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM Approved.

Specifications:
Conduit Entrances:  Two openings for 1/2" conduit
Contact Ratings:  Two sets of SPDT (Form C); 10.0A @ 125/250VAC; 2.5A @ 24VDC​
Enclosure Rating:  UL NEMA 4
Hazardous Location Classifications:  Class I, Div 1, Groups B, C, D; Class II, Div 1, Groups E,F,G; Class III, Div 1​
Maximum Surge:  18 FPS
Operating Temperature Range:  32°F to 120°F (0° to 49°C)
Overall Dimensions:  6"H x 9"L x 6.5"W
Pipe Schedule:  10 through 40
Pipe Size:  4"
Shipping Weight:  11.5 lbs.
Triggering Threshold Bandwidth Flow Rate:  4-10 GPM
UL Pressure Rating:  450 PSI

 WARNING:
This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov