Công tắc dòng chảy Potter

UL,  CUL  and  CSFM  Listed,  FM   Approved, LPCB Approved, For
CE Marked (EN12259-5) / VdS Approved  model use VSR-EU
Service Pressure:         450 PSI (31 BAR) – UL
Flow Sensitivity Range for Signal:
4-10 GPM (15-38 LPM) – UL
Maximum Surge:        18 FPS (5.5 m/s)
Contact  Ratings:   Two sets of SPDT (Form C)
10.0 Amps at 125/250VAC
2.0 Amps at 30VDC  Resistive
10 mAmps min. at 24VDC
Conduit Entrances:   Two knockouts provided for 1/2″ conduit.
Individual switch compartments suitable
for dissimilar voltages.
Environmental Specifi  cations:
•  NEMA 4/IP54 Rated Enclosure suitable for indoor or
outdoor use with factory installed gasket and die-cast housing
when used with appropriate conduit fi  tting.
•  Temperature Range:  40°F – 120°F, (4.5°C – 49°C) – UL
•  Non-corrosive sleeve factory installed  in saddle.
Service Use:
Automatic Sprinkler   NFPA-13
One or two family dwelling      NFPA-13D
Residential occupancy up to four stories  NFPA-13R
National Fire Alarm Code      NFPA-72

Nominal Pipe Size
2″ DN50
2 1/2″ DN65
3″ DN80
3 1/2″ –
4″ DN100
5″ –
6″ DN150
8″ DN200