heav - HPU
- heavy cuts
- heavy naphtha
- heavy oxygen
- heavy petrol hydrotreator unit
- heavy petroleum residues
- heavy vacuum gasoil
- hemp rope
- HFL
- HG
- HGU
- HGU compressor shelter
- high density polyethylene
- high pressure circulating water
- high pressure flare
- high pressure nitrogen
- high pressure steam
- high temperature shift converter
- high-limit alarm setpoint
- high-performance process manager
- higher data link control
- highway addresable remote transducer
- HIS
- historical data of measurement
- history memory function
- hiway gateway
- HMI/MMI
- HMS
- HN2
- hoist beam
- hold off time
- hold previous value
- hose & hose coupling
- hose racks and hose nozzles
- hot combined feed exchanger
- hot oil circulation pump
- hot oil expansion drum
- hot oil heater
- hot oil heater fuel gas knockout drum
- hot oil makeup pump
- hot oil pump shelter
