Product Information Thread: BSP PI. Parallel Select a Product Part NumberMaterialSize KSM050BBrass1/2" KSM075BBrass3/4" KSM100BBrass1" KSM100SSStainless Steel1" KSM125BBrass1-1/4" KSM125MDuctile Iron1-1/4" KSM125SSStainless Steel1-1/4" KSM150BBrass1-1/2" KSM150MDuctile Iron1-1/2" KSM150SSStainless Steel1-1/2" KSM200BBrass2" KSM200MDuctile Iron2" KSM200SSStainless Steel2" KSM250BBrass2-1/2" KSM250MDuctile Iron2-1/2" KSM250SSStainless Steel2-1/2" KSM300BBrass3" KSM300MDuctile Iron3" KSM300SSStainless Steel3" KSM400BBrass4" KSM400MDuctile Iron4" KSM400SSStainless Steel4"