FWV10S10S Dixon Cast Aluminum Forestry Grade 1/4 Turn Ball Type Wye Valve - 1" Female NPSH x (two) 1" Male NPSHFeatures: Cast aluminum swivel inlet, anodized body, hard coated threads. 1" and 1 1 2" for use up to 600 PSI (water AFFF only); 2 1 2" for use up to 400 PSI (water AFFF only). Part Number Female Thread Two Male Threads Weight (Lbs.) FWV10S10S 1" NPSH 1" NPSH 1. 7900 FWV15S15S 1 1 2" NPSH 1 1 2" NPSH 3. 3500 FWV15F15F* 1 1 2" NH (NST) 1 1 2" NH (NST) 3. 6600 FWV25F15F 2 1 2" NH (NST) 1 1 2" NH (NST) 4. 0700 FWV25F25F 2 1 2" NH (NST) 2 1 2" NH (NST)