Dual sensors for valve actuators – F31 and F31K2 series

Name: Dual sensors for valve actuators – F31 and F31K2 series
Brand: Pepperl+Fuchs
SKU: F31 · F31K2

F31 · F31K2

Pepperl+Fuchs dual inductive sensors for open/closed position feedback of rotary actuators: direct mounting on standard actuators, PNP, NAMUR, two-wire and AS-Interface outputs, ATEX/IECEx versions for zone 2/22 and SIL 2.

ATEX

IECEx

SIL

CCC

EAC

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Description

Technical Specifications

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Datasheets

The F31 and F31K2 dual sensors detect both end positions of butterfly and ball valves with rotary actuators inductively, without contact or wear. They mount directly on standard actuators, with the BT65 or BT115 position indicator (target puck) on the shaft.

F31: compact housing, mounting without extra accessories
F31K2: designed for outdoor use, highly resistant to UV, temperature and salt water, with a highly visible position indicator

Key features

PNP, NAMUR, two-wire (also AC/DC) and AS-Interface outputs
NO, NC or selectable NO/NC function
ATEX/IECEx versions for zone 2/22 and SIL 2-capable versions
Cable, M12 or M18 connector, or terminal compartment

Use the filters in Variants and codes to find the exact part number: every code links to the official Pepperl+Fuchs datasheet and to a quote request. For versions not listed, accessories or availability, contact us.

Zone 2

Explosive gas atmosphere unlikely to occur and, if it does, only for a short period

Zone 22

Explosive dust atmosphere unlikely to occur and, if it does, only for a short period

# General Product type: Dual inductive sensor for rotary valve actuators Brand: Pepperl+Fuchs Series: F31 · F31K2 (outdoor) Sensing range: 2.5 – 3 mm Accessories: BT65 / BT115 position indicators, protective cover # Certifications Certifications: ATEX and IECEx for zone 2/22 (Ex versions), UL, CCC, EAC (vary by code) Functional safety: versions up to SIL 2 # Electrical Output: PNP · NAMUR · two-wire · AS-Interface Supply voltage: 10…30 V DC · 20…253 V AC/DC · 8.2 V DC (NAMUR) · AS-i bus Function: NO, NC or selectable NO/NC # Mechanical Mounting: Directly on standard actuators Connection: Cable · M12 or M18 connector · terminal compartment

{"v":1,"colonne":[{"nome":"Output","valori":["AS-Interface","NAMUR","PNP","Two-wire","—"]},{"nome":"Function","valori":["NC","NO","NO/NC select."]},{"nome":"Supply","valori":["10…30 V DC","20…253 V AC/DC","26.5…31.9 V DC","6…30 V DC","6…60 V DC","8.2 V DC"]},{"nome":"SIL","valori":["SIL 2","—"]},{"nome":"Ex version","valori":["ATEX / IECEx","Safe area"]},{"nome":"Connection","valori":["Cable","M12 conn.","M18 conn.","Other","Terminal compartment","—"]}],"righe":[["NCN3-F31-B3-V1-K",0,2,2,1,1,1],["NCN3-F31-B3B-V1",0,2,2,1,1,1],["NCN3-F31-B3B-V1-K",0,2,2,1,1,1],["NCN3-F31-B3B-V1-V1",0,2,2,1,1,1],["NCN3-F31K-B3B-B31",0,2,2,1,1,4],["NCN3-F31-N4-K",1,0,5,0,0,0],["NCN3-F31-N4-K-10M",1,0,5,0,0,0],["NCN3-F31-N4-K-K",1,0,5,0,0,0],["NCN3-F31-N4-V1",1,0,5,0,0,1],["NCN3-F31-N4-V18",1,0,5,0,0,2],["NCN3-F31-N4-V16-K",1,0,5,0,0,3],["NCN3-F31-N4-V16-V16",1,0,5,0,0,3],["NCN3-F31K-N4",1,0,5,0,0,4],["NCN3-F31K-N4-B13",1,0,5,0,0,4],["NCN3-F31K-N4-B13-S",1,0,5,0,0,4],["NCN3-F31K-N4-K",1,0,5,0,0,4],["NCN3-F31K-N4-K-S",1,0,5,0,0,4],["NCN3-F31K-N4-S",1,0,5,0,0,4],["NCN3-F31K-N4-V1-V1",1,0,5,0,0,4],["NCN3-F31K-N5-K",1,0,5,1,0,4],["NCN3-F31K2-N4-B13-S",1,0,5,1,0,4],["NCN3-F31K2-N4-B33-S",1,0,5,1,0,4],["NCN3-F31K2-N5-B13-S",1,0,5,1,0,4],["NCN3-F31K2-N5-B33-S",1,0,5,1,0,4],["NCN3-F31K2M-N4-B13-S",1,0,5,1,0,4],["NCN3-F31K2M-N4-B23-S",1,0,5,1,0,4],["NBN3-F31K2M-E8-B13-S-3G-3D",2,1,0,1,0,4],["NBN3-F31K2M-E8-B23-S-3G-3D",2,1,0,1,0,4],["NBN3-F31-E8-K",2,1,0,1,1,0],["NBN3-F31-E8-K-K",2,1,0,1,1,0],["NBN3-F31-E8-V1",2,1,0,1,1,1],["NBN3-F31-E8-V18",2,1,0,1,1,2],["NBN3-F31K-E8",2,1,0,1,1,4],["NBN3-F31K-E8-K",2,1,0,1,1,4],["NBN3-F31K-E8-V1-V1",2,1,0,1,1,4],["NBN3-F31K2-E8-B13-S",2,1,0,1,1,4],["NBN3-F31K2-E8-B33-S",2,1,0,1,1,4],["NBN3-F31K2M-E8-B13-S",2,1,0,1,1,4],["NBN3-F31K2M-E8-B23-S",2,1,0,1,1,4],["NBN3-F31K2M-E8-B33-S",2,1,0,1,1,4],["NBN3-F31K2M-E8-B43-S",2,1,0,1,1,4],["NBN3-F31-E8-V16-V15",2,1,0,1,1,5],["NBN3-F31K2M-Z8L-B13-S-3G-3D",3,1,3,1,0,4],["NBN3-F31K2M-Z8L-B23-S-3G-3D",3,1,3,1,0,4],["NBN3-F31K2-Z8L-B13-S",3,1,3,1,1,4],["NBN3-F31K2-Z8L-B33-S",3,1,3,1,1,4],["NBN3-F31K2M-Z8L-B13-S",3,1,3,1,1,4],["NBN3-F31K2M-Z8L-B23-S",3,1,3,1,1,4],["NBN3-F31K2M-Z8L-B33-S",3,1,3,1,1,4],["NBN3-F31K2M-Z8L-B43-S",3,1,3,1,1,4],["NBN3-F31-Z8-K",3,1,4,1,1,0],["NBN3-F31-Z8-K-K",3,1,4,1,1,0],["NBN3-F31-Z8-V1",3,1,4,1,1,1],["NBN3-F31-Z8-V18",3,1,4,1,1,2],["NBN3-F31K-Z8",3,1,4,1,1,4],["NBN3-F31K-Z8-K",3,1,4,1,1,4],["NBN3-F31K-Z8-V1-V1",3,1,4,1,1,4],["NBN3-F31-U8-K",4,1,1,1,1,0],["NBN3-F31-U8-V18",4,1,1,1,1,2]],"accessori":[["BT115A","Actuator for F31 series"],["BT115X","Actuator for F31 series"],["BT65-F31K2-RG-EN","Actuator for F31K2 series"],["BT65-F31K2-RG-EN-01","Actuator for F31K2 series including protective cover"],["BT65A","Actuator for F31 series"],["BT65X","Actuator for F31 series"],["SH-BT65-F31K2-01","Protective cover for actuator BT65-F31K2-RG-EN-01"]],"datasheet":{"base":"https://files.pepperl-fuchs.com/webcat/navi/productInfo/pds/","pn":["226323","226324","226322","226325","226326","70133351","70133352","70133353","70133028","70133354","223959","223961","70133033","70110340","281187","222680","222681","70133356","222682","233552","235078","235079","243639","243640","70131295-0001","70131295-0002","70131295-0004","70131295-0006","047568","047567","047570","048259","097637","097638","097642","235086","244541","235087","235089","244545","244547","192482","70131295-0003","70131295-0005","235082","260495","235083","235085","260497","285774","282683","282684","282685","282688","282690","282689","282692","188325","199144"],"apn":["263361","259055","240225","271014","263360","259056","285721"],"noit":[]},"fonte":"Pepperl+Fuchs Industrial Sensors Product Guide (tdoct6719a)"}

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