Fortune Group produces stainless steel ball valves in a variety of configurations. Series 312 is a one piece, threaded end ball valve with a regular port and 1000 psi. Series 315 is a one piece, threaded end ball valve with a regular port and 2000 psi. Series 320 is a two piece, threaded end ball valve with a full port and 1000 psi. Series 328 is a two piece, threaded end ball valve with a full port and a size range from 1/4 to 2" for 2000 psi as well as a size range of 2 1/2" to 3" for 1500 psi. Series 330 is a three piece, threaded end and socket weld ball valve with a full port and 1000 psi. Series 336 is a three piece, threaded end and socket weld ball valve with a full port and a size range from 1/4 to 2" for 2000 psi as well as a size range of 2 1/2" to 3" for 1500 psi.