*K

Here’s a list of Instrumentation abbreviations starting with the letter “K”, commonly used in P&IDs, datasheets, control systems, and field instrumentation.

K: Kelvin / Kilo / Key (context dependent)
KA: Key Alarm / Kilo Ampere
KAC: Key Alarm Controller
KAM: Key Alarm Module
KB: Kill Bus / Key Box
KBC: Key Box Controller
KC: Key Controller / Kilo Controller
KCC: Key Control Cabinet
KCD: Key Control Device
KCM: Key Control Module
KCP: Key Control Panel
KCS: Key Control System
KD: Kill Device / Key Device
KE: Kinetic Energy / Key Enclosure
KF: Key Filter / Kilo Farad
KG: Kilo Gram / Key Gauge
KH: Key Heater
KI: Key Indicator / Kilo Indicator
KIC: Key Indicating Controller
KIM: Key Interface Module
KL: Kilo Liter / Key Level
KM: Kilo Meter / Key Module
KMC: Key Module Controller
KN: Kilo Newton / Key Node
KO: Knock Out / Key Output
KOC: Key Output Controller
KOM: Key Output Module
KP: Key Point / Kilo Pascal
KPC: Key Point Controller
KPD: Key Pressure Device
KPI: Key Pressure Indicator / Key Performance Indicator
KPT: Key Pressure Transmitter
KR: Key Relay
KRC: Key Relay Controller
KRD: Key Relay Device
KS: Key Switch / Kilo Siemens
KSC: Key Switch Controller
KSD: Key Shutdown Device
KT: Kilo Temperature / Key Transmitter
KTC: Key Temperature Controller
KTD: Key Trip Device
KTI: Key Temperature Indicator
KTT: Key Temperature Transmitter
KV: Key Valve / Kilo Volt
KVC: Key Valve Controller
KVM: Key Valve Module