Thorco, Inc. - Manufacturer and Distributor of Industrial Oils, Fluids and Lubricants 
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Protego

Protego

Tank Vents / Flame Arresters

Braunschweiger Flammenfilter is a family owned business with tradition and has been involved with the development of flame arresters, valves and tank accessories for industrial process engineering for more than 50 years. Over this period, the internationally registered trademarks PROTEGOŽ, FLAMEFILTERŽ and FLAMMENFILTERŽ have become a synonym for quality and functionality.  For more information on these products, please contact us at 800-324-0093 or email us at sales@thorcousa.com.
Products:
Pressure and Vacuum Vent Valves
Specialty Valves		 Flame and Detonation Arrestors
Other
Product Details

Pressure and Vacuum Vent Valves 

VD / SV Atmospheric Pressure Vacuum Relief Valve - Protego
VD/SV Atmospheric Pressure Vacuum Relief Valve
The VD/SV type PROTEGO valve is a highly developed pressure and vacuum relief valve with excellent flow performance. It is primarily used as a safety device for reliveing pressure and vacuum in tanks, containers and process engineering equipment. 
more information (PDF - 319KB)
VD/SV-P Pipe Away Pressure Vacuum Relief Valve - Protego
VD/SV-P Pipe Away Pressure Vacuum Relief Valve
The VD/SV-PA(L)type PROTEGO valve is a highly developed pressure and vacuum relief valve with excellent flow performance. It is primarily used as a safety device for reliveing pressure and vacuum in tanks, containers and process engineering equipment.
more information (PDF - 414KB)
VD/KSM Plastic Atmospheric Pressure Vacuum Relief Valve - Protego
VD/KSM Plastic Atmospheric Pressure Vacuum Relief Valve
The PROTEGO valve VD/KSM is a state-of-the-art pressure and vacuum relief valve with excellent flow performance made of high grade synthetic material. Typically the valve is installed in the in- and out-breathing lines of tanks, vessels and process apparatus to protect against unallowable high or low pressure. 
more information (PDF - 209KB)
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VD / KSM Plastic Pipe Away Pressure Vacuum Relief Valve - Protego
VD/KSM Plastic Pipe Away Pressure Vacuum Relief Valve
The PROTEGO valve VD/KSM-PA is a state-of-the-art pressure and vacuum relief valve with excellent flow performance made of high grade synthetic material. Typically the valve is installed in the in- and out-breathing lines of tanks, vessels and process apparatus to protect against unallowable high or low pressure.
more information (PDF - 187KB)
VD / TS Pressure - Vacuum Relief Valve - Protego
VD/TS Pressure - Vacuum Relief Valve with Deflagration Flame Arrester
Designed to inhibit flame and detonation propagation in gas piping systems and to protect low pressure tanks containing flammable liquids. Arresters protect low flash point liquids from externally caused sources of heat and ignition. 
more information (PDF - 270KB)
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Flame and Detonation Arresters

Inline Deflagration Arrester - Protego
FA / CN ATEX IIA In-Line Deflagration Arrester
The FA-CN deflagration arrester is a compact design utilizing an easy access cover for easy maintainability. The flame arrester unti can be removed and cleaned within moments without having to disassemble the pipe. 
more information (PDF - 599KB)
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Inline Deflagration Arrester - Protego
FA / CN ATEX IIC In-Line Deflagration Arrester
The FA-CN in-line deflagration flame arrester is a compact design utilizing an easy access cover for easy maintainability. The special FA-CN-IIC verstion was developed for hydrogen applications (group IIC vapors - NEC group B).
more information (PDF - 295KB)
In-Line Deflagration Arrestor - Protego
FA / CN ATEX FM In-Line Deflagration Arrester
In the development of the FA-I in-line deflagration flame arrester, special effort was made to optimize the fluid dynamic flow characteristics. The deflagration arrester is symmetrical and offers bidirectional flame transmission protection. 
more information (PDF - 591KB)
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Detonation Arrester - Protego
DA / CG US Coast Guard Approved Detonation Arrester
The PROTEGO DA-CG series detonation arresters was developed especially for the North American market and optimized to meet the demands of the US Coast Guard.  
more information (PDF - 451KB)

Specialty Valves

Pressure Vacuum Diaphragm Relief Valve - Protego
Pressure Vacuum Diaphragm Relief Valve
The deflagration and endurance burning-proof UB/SF type PROTEGO diaphragm valve is a state of the art pressur- and vacuum-releif valve combing the function of a dynamic and static flame arrester. 
more information (PDF - 1.4MB)
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Other

7618- Flame Arrester - Groth Corp
EPA Method 21  Testing Information
Special Features and Advantages:
  • Less than 100 ppm leak rate in EPA Method 21 Testing at 90% of set pressure
  • 10% Overpressure Technology (opens later, reseats earlier)
  • Frost-Proof Pallet Design
  • Significantly Reduced Vapor Losses
  • Reduced Nitrogen Blanketing Gas Losses

more information (PDF 5.03MB)
  
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