FM Approved Pneumatic Maintenance Device

Descriptions 

FLOW SWITCH WITH RETARD 

FM Approved Water Flow Alarm Switch Model : VSRFM Approved Water Flow Alarm Switch Service Pressure: 450 PSI (31 BAR) 

FM Approved Water Flow Alarm Switch Flow Sensitivity FM Approved Water Flow Alarm Switch Range for Signal: 4-10 GPM (15-38 LPM) FM Approved Water Flow Alarm Switch Contact Ratings: Two sets of SPDT (Form C)

FM Approved Water Flow Alarm Switch SIZE: 2”(DN50) to 8”(DN200) 

FM Approved Water Flow Alarm Switch VSF; VSR-F; ZSJZ；WFDEXP；EPS10-2；EPS40-2；PS40-2EX；PS40-1A；PS10-2A

FM Approved Water Flow Alarm Switch Environmental Specifications:NEMA 4/IP54

FM Approved Water Flow Alarm Switch Temperature Range: 40°F - 120°F, (4.5°C - 49°C) - UL

FM Approved Water Flow Alarm Switch Non-corrosive sleeve factory installed in saddle

FM Approved Water Flow Alarm Switch Approval UL Listed, FM Approved

Brands     

Certifications ：FM,UL, CCCF, CSFM

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