Pressure Relief Valve (PSV) for standard Direct Impingement AR's.
Standard Gas Block with integrated PSV
Disassembly Diagram
Belleville Springs Washers Reference (explaining the strength of spring washers)
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B9XSnDKMwpPONGRmYjU4NzUtZTU0My00Y2NlLWEzYWQtOGRjOGUzMGMwNGQy&hl=en_US
Design and Animation (created by Google Sketchup8 Free Edition)
https://docs.google.com/leaf?id=0B9XSnDKMwpPOOGNhMjQzMTUtOGQ1Ny00NTliLWEyYWUtODkzOGUwNDc5N2Ux&hl=en_US
Features and Advantages
1. Improve durability and longevity of AR internals.
2. Automatic adjust internal gas pressure when equiped with sound suppressor
3. Automatic adjust internal gas pressure when chambered with ammo of different brands
4. Completely disabling gas pressure by removing PSV internal (i.e. springs groups and main seal..etc)
5. Simple and durable design
6. Interchangeable spring groups for different barrel lengths (i.e. 7.5", 10.5", 12.5", 14.5" and 16"..etc)
7. Decrease the possibility of receiver explosion or catastrophic failure as a result of extreme gas pressure.
Standard Gas Block with integrated PSV
![fsbr.jpg](/proxy.php?image=http%3A%2F%2Fimg14.imageshack.us%2Fimg14%2F4016%2Ffsbr.jpg&hash=9c1c2d5d1a30bb3fb11db1f8b3903c75)
Disassembly Diagram
![pressurerelifvalve.jpg](/proxy.php?image=http%3A%2F%2Fimg833.imageshack.us%2Fimg833%2F2515%2Fpressurerelifvalve.jpg&hash=a6c76a2f6bb6815f5fa31fa01cdfa0d7)
Belleville Springs Washers Reference (explaining the strength of spring washers)
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B9XSnDKMwpPONGRmYjU4NzUtZTU0My00Y2NlLWEzYWQtOGRjOGUzMGMwNGQy&hl=en_US
Design and Animation (created by Google Sketchup8 Free Edition)
https://docs.google.com/leaf?id=0B9XSnDKMwpPOOGNhMjQzMTUtOGQ1Ny00NTliLWEyYWUtODkzOGUwNDc5N2Ux&hl=en_US
Features and Advantages
1. Improve durability and longevity of AR internals.
2. Automatic adjust internal gas pressure when equiped with sound suppressor
3. Automatic adjust internal gas pressure when chambered with ammo of different brands
4. Completely disabling gas pressure by removing PSV internal (i.e. springs groups and main seal..etc)
5. Simple and durable design
6. Interchangeable spring groups for different barrel lengths (i.e. 7.5", 10.5", 12.5", 14.5" and 16"..etc)
7. Decrease the possibility of receiver explosion or catastrophic failure as a result of extreme gas pressure.
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