Cryogenics, Hydrogen and Technical Gases

Safe Operation Under Demanding Conditions

Cryogenic storage (Propylene, LNG, LPG, Ethylene, Ammonia, LIN LOX LAR) demands 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® helps

PROTEGO® supplies cryogenic-service venting solutions – including Pilot-operated Pressure and Vacuum Relief Valves Pressure and vacuum relief valve A pressure and vacuum relief valve is a pressure equalization valve for impermissible pressure and vacuum in a closed system. , and compatible flame arresting where required in vapor lines.

Safeguarding
against potential explosions 
Reduced product losses
and emissions
Supports safe low-temperature operation 
with documented compliance
Process opimization
support at FEED stage

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

In-Line Detonation Flame Arrester

DA-SB

Explosion Group

IIA1
D / IIA
C / IIB1
C / IIB2
C / IIB3
B / IIB
B / IIC

Vacuum Relief Valve

VN-VU

Pressure Range:

-2.6 up to -25 mbar

Pressure/Vacuum Relief Valve,

VN-A-PCPF

Pressure Range:

20 up to 1034 mbar

Vacuum Range:

2.2 up to 7 mbar

Emergency pressure relief valve

ER/V

Pressure Range:

5 up to 40 mbar