Fixed Roof Storage Tanks

Operational Integrity and Tank Protection

Fixed-roof storage tanks storing flammable and volatile products require controlled tank breathing and reliable explosion safeguards for safe operation. Protection systems must handle pressure and vacuum changes, prevent flame propagation, and stabilize vapor during routine and abnormal events. Integrated concepts reduce explosion risk and support safe operation.

Highlights

Zero flashback incidents
when sized, located, and maintained per application
Higher uptime & lower losses
with field proven technology optimized for application efficiency
Lifecycle confidence
with maintenance friendly designs and a global aftersales service network
Compliance made simpler
with documented test data and independent 3rd party approvals

Used Products in this Application

P/EB
Pressure Relief Valve
pressure range
3.5 up to 210 mbar
Explosion Group
IIA1
D / IIA
SV/E
Vacuum Relief Valve
vacuum range
-2 up to -60 mbar
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
B / IIB
B / IIC
DR/ES
In-Line Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
SA/S
Floating Suction Unit
LDA-W
In-Line Liquid Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
VD/TS
Pressure/Vacuum Relief Valve
vacuum range
-2 up to -25 mbar
pressure range
3.5 up to 50 mbar
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
VD/SV
Pressure and Vacuum Relief Valve
vacuum range
-2 up to -60 mbar
pressure range
2 up to 60 mbar

Highlights

Comprehensive Tank Protection
ensures safety and operational integrity.
Advanced Pressure & Vacuum Control
stabilizes tank conditions through reliable pressure management.
Lifecycle confidence
with maintenance-friendly designs and global service.
Flame Propagation Safeguards
minimizes explosion hazards through integrated flame protection solutions.

Used Products in this Application

VD/SV
Pressure and Vacuum Relief Valve
vacuum range
-2 up to -60 mbar
pressure range
2 up to 60 mbar
DR/ES
In-Line Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
LDA-W
In-Line Liquid Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
DV/ZT
Pressure and Vacuum Relief Valve, In-Line
pressure range
2 up to 60 mbar
vacuum range
-2 up to -60 mbar
DV/ZW
Pressure and Vacuum Relief Valve, In-Line
vacuum range
-3.5 up to -50 mbar
pressure range
2 up to 60 mbar
UB/SF
Pressure/Vacuum Diaphragm Valve
vacuum range
-3.5 up to -35 mbar
pressure range
3.5 up to 140 mbar
Explosion Group
D / IIA
C / IIB1
C / IIB2
C / IIB3
ER/V
Emergency pressure relief valve
pressure range
5 up to 40 mbar

Engineered venting and explosion safeguards

Fixed-roof tanks for flammable liquids need coordinated protection during normal breathing, filling, emptying, and emergencies. Combining pressure and vacuum protection with explosion prevention technology maintains stable conditions and safeguards against upset conditions.

Two fixed roof storage tanks outfitted with PROTEGO® devices for various applications.
Two fixed roof storage tanks outfitted with PROTEGO® devices for various applications.

Protection of Fixed-Roof Storage Tanks for Non-Flammable Liquids

For tanks storing non-flammable liquids, reliable pressure and vacuum control remains essential to preserve structural integrity and operational emmission efficiency. ​

In these applications, protection systems focus on managing normal breathing and emergency pressure relief to protect the tank during abnormal pressure conditions without the need for flame arrestor components

Highlights

Compliance 
with documented testing and third party certified approvals
Emissions reduction
via optimized tank venting set up
Safeguarding
against potential explosions
Optimal product selection
consulting at early feed stage

Used Products in this Applications

UB/SF
Pressure/Vacuum Diaphragm Valve
vacuum range
-3.5 up to -35 mbar
pressure range
3.5 up to 140 mbar
Explosion Group
D / IIA
C / IIB1
C / IIB2
C / IIB3
VD/TS
Pressure/Vacuum Relief Valve
vacuum range
-2 up to -25 mbar
pressure range
3.5 up to 50 mbar
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
DR/ES
In-Line Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
DV/ZT
Pressure and Vacuum Relief Valve, In-Line
pressure range
2 up to 60 mbar
vacuum range
-2 up to -60 mbar
VD/SV
Pressure and Vacuum Relief Valve
vacuum range
-2 up to -60 mbar
pressure range
2 up to 60 mbar
LDA-F
Liquid Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
ER/V
Emergency pressure relief valve
pressure range
5 up to 40 mbar

We would like to extend our gratitude to PROTEGO® for their efficient collaboration with our project team. Their exemplary performance in fulfilling the contract and adhering to our quality and schedule requirements was greatly appreciated. 

Get in Touch

Contact our engineers for your 
individual requirements