Cryogenics, Hydrogen and Technical Gases

Safe Operation Under Demanding Conditions

Cryogenic storage and low temperature storage (Propylene, LNG, LPG, Ethylene, Ammonia, LIN LOX LAR) demand devices that protect within tight operating envelopes and prevent tank over/under-pressure at extreme low temperatures.
Cryogenic storage tanks for hydrogen and technical gases at a waterfront facility, equipped with PROTEGO® devices

How PROTEGO® supports you

PROTEGO® supplies cryogenic-service venting solutions – including Pilot-operated Relief Valves, High Capacity Vacuum Valves, InTank Valves and compatible flame arresting technology where required in vapor lines.

Safeguarding
against potential explosions 
Reduced product losses
and emissions
Supports safe low-temperature operation 
with documented compliance
Process opimization
cradle to grave project engineering support

We would like to express our gratitude to the PROTEGO® team for the extraordinary support provided to us in identifying and resolving the trouble of a premature opening of one of our ammonia tank safety valves. Your flexibility in dealing with the subject, the displayed sense of urgency, and immediate and professional hands-on approach are exceptional and clearly distinguish you from other OEMs in the industry. 

Head of Operations & Maintenance & Engineering Manager

Linde Jubail Industrial Gases Factory LLC

Browse applications

Key solutions for Cryogenics, Hydrogen and Technical Gases

Refrigerated and Cryogenic Storage

In-Tank Safety Valves, Vacuum Relief Valves, Flame Arresters, Emergency Relief & Pilot-operated Valves for safe cryogenic applications.
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Tank Storage

Pressure Vacuum Relief Valves, Flame Arresters, Emergency Relief and Pilot-operated Valves for oil and gas industry safety and performance.
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Products for Cryogenics, Hydrogen, and Technical Gases

DA-SB
In-Line Detonation Flame Arrester
Explosion Group
IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
B / IIB
B / IIC
VN-VU
Vacuum Relief Valve
vacuum range
-2.6 up to -25 mbar
VN-A-PCPF
Pressure/Vacuum Relief Valve,
vacuum range
2.2 up to 7 mbar
pressure range
20 up to 1034 mbar
ITV-S
In-Tank Valve

Get in Touch

Contact our engineers for your 
individual requirements