Valve Position Detection
Reliable Valve Position Detection on Manual Valves The Series F31 and F31K inductive dual sensors from Pepperl+Fuchs are an effective solution for valve position detection on manual valves. This series combines two sensing elements in one device and can be mounted directly on the valve – reducing installation and maintenance costs considerably. Your Benefits at a Glance ▪▪
Reliable valve position monitoring thanks to clear LED indication of switch status
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Easy installation due to mounting plate
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Adjustment-free mounting maintains accurate sensing distance
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Intrinsically safe versions (Ex i) with SIL2 approval available
Mounting plate MH-BT65A including puck
F31 sensor
Bracket
econ® ball valve
F31 Series
F31K Series
Sensor Selection Sensor type code
Solenoid connection
System connection
Electrical connection
NBN3-F31-E8-V18
none
M18x1 connector, 4 pin
10 - 30 VDC, 3-wire
NBN3-F31-Z8-V18
none
M18x1 connector, 4 pin
6 - 60 VDC, 2-wire
NBN3-F31-E8-V1
none
M12 connector, 4 pin
10 - 30 VDC, 3-wire
NBN3-F31-N4-V18
none
M18 connector, 4 pin
Namur Ex i
NCN3-F31K-N4-K
Cable gland M12
NBN3-F31K-E8-K
Cable gland M12
NBN3-F31K-Z8-K
Cable gland M12
4
Terminal compartment with cable gland M20 Terminal compartment with cable gland M20 Terminal compartment with cable gland M20
Namur Ex i 10 - 30 VDC, 3-wire 6 - 60 VDC, 2-wire