RSFV 49-4.5 IN/14.5 RSFV 49T-0.2M/14.5 RSFV 49T-0.3M RSFV 50-0.2M RSFV 50-0.3M RSFV 50-0.3M/14.75/NPT RSFV 50-0.4M RSFV 50-0.5M W/LN RSFV 50-0.5M/14.75/NPT RSFV 50-0.5M/M20