Hinge With Filteration Type Conveyor Pitch Of Chain (In Inch)Pitch Of Chain(In MM)Min. height of Shell with Water / Without Water Tank(In MM)1.25”31.75180 MM / 120 MM1.50”38.1180 MM / 140 MM2.50”63.5250 MM / 250MM4.00”101.6260 MM / 260 MM