Part No P Pipe Size (NPS) E Small Bore B L X Work. Press, (psig) FAV-4PSW-SS 1/4 9.1 9.9 26.9 22.4 8100 FAV-6PSW-SS 3/8 12.4 9.9 28.4 26.2 7100 FAV-8PSW-SS 1/2 15.7 9.9 28.4 31.8 6800 FAV-12PSW-SS 3/4 20.8 13.0 44.4 37.3 5800 FAV-16PSW-SS 1 26.7 13.0 44.4 472 6100