

Glossary – our expertise at a glance
This glossary explains key technical terms related to PROTEGO® products and core technologies. As a world-leading manufacturer of Flame Arresters Flammendurchschlagsicherung Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame. , Pressure and Vacuum Relief Valves, and Tank Equipment, we support safe, low-emission operation across many industries. Use this glossary to better understand our protection and system solutions.
A
B
C
D
DeflagrationDeflagration flame arresterDeflagration flame arrester for installation in a device - pressure sideDeflagration flame arrester for installation in a device - suction sideDeflagration proof floor drainDesign pressure (tank)Design pressureDesign pressure / design temperature (general design)Design vacuum (negative gauge pressure)DetonationDetonation flame arresterDeviceDiaphragmDiaphragm diskDiaphragm housingDry beads
E
Emergency venting valvesEmpty lift safety deviceEnd-of-line deflagration flame arresterEnd-of-line detonation flame arresterEnd-of-line flame arresterEndurance burningEndurance burning flame arresterEquipmentEquipment categoryExplosionExplosion limitsExplosive atmosphereExplosion pressure resistant Explosion prevention systemExplosion proof function control with transmitterExplosion protectionExplosion protection unitExplosion protection unit - pressure sideExplosion protection unit - suction sideExplosion shock proof
F
Flame ArrestersFast acting bottom drain valveFlame arresterFlame arrester housingFlame arrester unitFlame transmission-proofFLAMEFILTER®FLAMEFILTER® cageFLAMEFILTER® casingFLAMEFILTER® setFlammable gas or vaporFlammable liquidFlammable materialFlammable substancesFlashbackFlashpointFloating ceilingFloating coverFloating exhaust systemFloating roofFloating roof drainage systemFloating skimmer systemFloating suction devicesFloating suction unitFoot valveFoot valve flame arresterFree vents
G
H
I
Ignition sourceIgnition temperatureInert gasInertingInflow pipeIn-line deflagration flame arresterIn-line detonation flame arresterIn-line detonation flame arrester for blowers - pressure sideIn-line detonation flame arrester with shut-off valveIn-line flame arresterIn-line volume deflagration flame arresterIntake funnelIn-tank valveIntegrated temperature sensorInternal safety valve
L
Leak rateLeft-woundLidLiftLift-actuated vent valveLift actuatorLift actuator pipeLifting aidLimiting oxygen concentration (LOC)Liquid detonation flame arresterLiquid detonation flame arrester for filling linesLiquid detonation flame arrester for filling and drain linesLiquid seal flame arresterLiquid seal (water seal)LiningLoad weightLower flammable limit (LFL)
M
MaintenanceMalfunctionManifoldMaximum allowable explosion pressureMaximum allowable pressure (pressure equipment)Maximum allowable temperature (pressure equipment)Maximum allowable working pressure (MAWP)Maximum experimental safety gapMaximum operating temperatureMeasurable type (static flame arrester)Melting boltMelting elementMost inflammable explosive atmosphere
N
P
Pallet type valve (disc valve)Pilot-operated pressure relief valvePilot-operated valvePilot valvePipe away valvePipe fittingPipe swivel jointPressure diaphragm valvePressure (gauge pressure)Pressure-relief valvePressure relief valve palletPressure and vacuum diaphragm valvePressure or vacuum relief valvePressure and vacuum relief valvePressure reducing valvePressure/vacuum valve (PV valve)Pressure/vacuum relief valvePressure vesselPre-volume deflagration flame arresterPre-volume flame arresterProductProtective gratingProtective screenProtective systemPROTEGO® flame arrester unitProximity switch
R
S
Safety shut-off valveSafety valveSampling and air bleed valveSampling deviceSampling potSealing cordSealing diskSealing ringSealSeal kitSet pressureSet vacuumShock absorberShock-Wave-Guide-Tube (SWGT)Short time burningShort-time burning proofShut-off valveSpacerSparge pipeSpringStabilized burningStable detonationStatic electricityStatic flame arresterStoichiometric mixtureStorage tank/vesselSuperimposed back pressureSuction pipeSwivel joint
V
VacuumVacuum diaphragm valveVacuum relief valveVacuum relief valve palletValve disc guideValve liftValve palletValve pallet diskValve pallet gasketValve pallet guideValve seatValve seat holderValve seat with guideVent capVent headerVent pipesVenting system with flame arresting capabilityVesselVenting system